should i unplug my tesla during a thunderstorm. For charging limit, batteries are happiest at around 50%. should i unplug my tesla during a thunderstorm

 
For charging limit, batteries are happiest at around 50%should i unplug my tesla during a thunderstorm The main argument for keeping electric cars plugged in is that it will prolong the life of the battery

Always plug in, always leave plugged in. For this reason, it's suggested that if you do have the time and wherewithal, it wouldn't hurt to disconnect electronic devices from wall sockets. There’s one window next to me (my bed is pushed against it) and one that’s directly behind my head to a point where it’s also almost touching my bed. For one, unplug electronics before a thunderstorm, not during one (otherwise, you might experience a power surge firsthand). Infinity_Wasted • 15 yr. Do not use telephones, headphones or electrical appliances during the storm – lightning can travel through the wires and produce shocks to anyone using them. As you know the speed of sound is approximately 1,087 feet per second. A friend of mine who is new to RVing asked me this question today, and I wasn't quite sure how to answer his question with any authority. • Unplug your TV during a lightning storm or when it will not be used for long period of time. The original and largest Tesla community on Reddit! An unofficial forum of owners and enthusiasts. Push the charge port door closed. Therefore, it’s important to unplug your laptop from the power source and use it for battery power during a thunderstorm. Also as a teen, I had a bop-it style toy in my closet. #3. The Importance of Surge Protection and UPS During Thunder and Lightning Storms. Higher numbers are better in cold weather and worse in warm. The main reason for this is to prevent power surges from damaging the unit. If you have an electric vehicle, you should unplug it during a thunderstorm. with the apparatus. Sentry cam was on but didn’t catch it. Any exposed cables are weatherproof for safe charging even in the rain. What it I am wondering is the coax before I split it off to other rooms, if I should just disconnect it and let it just hang rather than being plugged into a splitter?Location: Seattle. Tesla’s attention to safety ensures safe charging, even in wet conditions: Tesla’s Superchargers chargers are weather-resistant to rain, ice, snow. Unplug your computer’s power source. . Friend of mine knocked to floor and C-64 fried during a lightning storm many years ago. Maybe we should have some t-shirts printed. A few years ago, a man in Phoenix unplugged a device at the precise moment when lightning struck. Tesla vehicles charge at around 400V (volts), based on the model. It’s probably better for your battery to keep in plugged in, than to charge to 60% and drain to 40% or whatever. Lightning strikes around 3,000 people per year in the US, which sounds like a lot but equates to a 1-in-15,300 chance of getting struck by lightning in your entire lifetime. But again, it probably doesn’t make enough of a difference to stress out over this. First things first, check the electrical connections. If the power goes out during the storm, the air conditioner will not work anyway. One time I had my power go out during a thunderstorm while I was playing Overwatch and ranked down. #9. Most commonly, it is advised often not to use Air Conditioners in places with more rainfall and thunderstorm. For this reason, it's suggested that if you do have the time and wherewithal, it wouldn't hurt to disconnect electronic devices from wall sockets. Surge protectors are useful, but will not protect against a lightning strike. Jon Floyd August 25, 2022. But most people prefers to unplug their electric vehicle and the charger during a storm. I am not really sure what there is to cover -- it hits one of the three wires that go around your house and raises the potential of one of those to a few thousand volts and most electronics is not built to handle it and most insulation might. A lightning stopping surge protector (no UPS) is like $200 for a single outlet. Unfortunately it all was for naught since I came home to find my thermometer had been melted to the wall and it was 130 degrees in the room. Thunderstorms are a big deal, which stands out as especially dangerous in the Annual Lightning Report’s official list of states with the most lightning strikes. Most UPS devices will also protect your devices from power surges. Your safest bet is to monitor weather patterns. 2. TVs. By doing this, you’ll stay prepared for any surprise storms in your area. Should I unplug my EV during a thunderstorm? Like any other electronic device, electric cars have an inbuilt surge protector. Only safe option is to be unplugged. Ultimately, the only safe way to treat your devices during a thunderstorm is to unplug the console totally. Open the windows (in case a tornado-level air pressure shift happened), but also stay way away from the windows themselves (in case the lightning is a crack shot and gets past that notoriously conductive glass), unplug the TV and lights, don't use the phone. A flash can via the antenna or the power line directly into your TV , follow. the. You don't need to keep the Tesla Model Y plugged in if every other day, etc. The constant plugging in and out in addition to the high amps got to it. Normal thunderstorms I see almost every day I ignore. This should never happen in a building. I do watch the weather a little to decide for scheduling outdoor activities. This is similar to mine. If the battery is kept plugged in, it will stay at a constant level and will not need to be replaced as often. I’ve always unplugged my EVSE since my first EV purchased in 2011. Outages are common during an electrical storm, and a backup power source in your Smart Home Ecosystem ensures seamless access to electricity even when the grid goes down. Much like many of the other electronics you use, plugged-in. Tesla Inc. • Do not attempt to repair or service your TV yourself. r/GalaxyWatch. The onboard charging components have multiple layers of safety built-in that start the electrical current flow only when it is safe. I am wondering if it is good idea to disconnect my coax from outside antennas during a lightning storm. As far as I know, my motherboard, keyboard, printer, and mouse are all fried. If it's a real bad one (lighting everywhere) and I think we'll have surges or an outage, I will unplug. 3. Short Answer: It is Perfectly Safe to Charge an EV in the Rain. Even if it’s off, if it is plugged into the wall, a direct strike can fry the phone. Most power strips don't provide surge protection, and then those that do provide a very basic level of protection. Like the power surge to computers, high voltage surges can be sent through your phone line. Watch out for downed power lines, fallen branches and other potentially dangerous debris, and. Damage to Plugged in Electronics and Appliances. If you are driving in an area with no charging stations, you may have to wait until the next day to charge your vehicle. When you hear thunder you are already within range of where the next ground flash may occur, lightning can strike as far as 10 miles away from the centre of a storm. We expect to see winds of 60 mph. ago. Should I unplug my Tesla during a lightning storm? No, you should not unplug your Tesla during a lightning storm. Any information is helpful, thanks!June 26, 2021 by Alex B. It’s also a good idea to turn off any electronics. Bearded_One wrote: If you are concerned about lightning strike while using your xPAP, unplug your xPAP and your backup battery charger, and run your xPAP from your battery. e. Yes, you should always seek shelter during a thunderstorm, especially if it includes lightning. When Teslas use the J1772 standard port adapter at regular stations, this can be disconnected like other cars with the mechanical lock, though one can buy a simple lock to prevent that, which unfortunately works even when the car is full. OLED TVs should be kept plugged in to allow for crucial screen maintenance and prevent potential damage. This will protect your TV from damage due to power surges. Yes. A power outage fried my ps5 and it took a month and a half to get it repaired from Sony. Unplug your computer during a storm. If you find that your top lip is curling when you smile, there is a potential solution in Botox. Should I unplug my Tesla during a thunderstorm? READ ALSO: What city has produced the most famous musicians?. I had a PC die back in the age of 56k from lightning striking a telephone pole and it burned out my modem and motherboard in the PC. • Stay away from anything plugged into an outlet: TVs, computers, corded phones. A thunderstorm can cause a lot of damage to your surroundings, to nature, and to stuff in your home. Not all charging stations are completely covered, and Supercharger stations aren’t covered at all. May 29, 2019. It's definitely possible to fry the PS4. Unplugging is the best solution for a bad storm. That being said, Tesla vehicles are equipped with various. The National Weather Service even recommends avoiding taking a bath or shower during a storm, likely so. If the protection system takes even 99. If the electrical system is hit, your RV could be exposed to power surges that will burn out fuses and. Yes. During thundery seasons, do long term data backups on a. It takes approximately 40,000 lightning strikes to saturate a single region. After hearing the sound of lightning, count to 30 slowly. Charging your Tesla Safely in Heavy Rain at other EV Chargers. Alison Maloney; Published: 9:55 ET, Jun 25 2020;. 0. I even debated bailing and unplugging my 2 month old computer. Question to everyone who owns Tesla: I read few old threads in the forum and I am aware that it is relatively safe to charge MS when there is thunderstorm and lightning but are there any. Before the storm hits, unplug your electronics, including your modem. • Do not attempt to repair or service your TV yourself. We would like to show you a description here but the site won’t allow us. I've only had to change my twice in 12 years. The chances of anything happening is very low. Once fully charged, it should easily retain the battery for seven days I believe without the need for plugging it in. IT IS INTERESTING:during a thunderstorm you should get inside away from metal objects and water, if you have a tornado shelter get in it and turn on a battery powered radio to the weather. Commercial installations have strike-counters and get struck often. The main purpose of a UPS is to allow proper shutdown during a blackout. Even then my 110v plug in my garage got replaced before I installed my 240v plug. Should I unplug the Tesla when a bad lightning storm is approaching? I did just in case. Depending on the model you have, it will cost between $7. I have a super cheapo surge protector (I think I got it @ IKEA for like $2), so in a really bad thunderstorm I'll opt to not turn on my computer. Unplugging the computer from the power outlet is better still. A Tesla, like any other electric vehicle or car, can drive in heavy rain just fine, as long as the driver is cautious and follows good driving practices. GFCI is not effective against voltage spikes such as those associated with lightning strikes. Curiosity about why you must unplug your electrical appliances has led you here. is parked somewhere safe, there’s no need to unplug it during a lightning storm. Step 1: Select ‘Powerwall Inactive’ in your Tesla app. Your Tesla vehicle can be set to charge at a minimum of 5A. The air conditioner can be turned off during a thunderstorm. The first job of a lightning protector is to eliminate this field charge. May 29, 2019. During heavy, consistent rain, you will experience service outages, slower speed, longer ping time, and packet losses on the Starlink network. 1. The Tesla does not make the act of charging, during a storm any more of a risk, than just being out in the storm! If your electrical system does receive a direct hit, your Tesla High Powered Charger can be damaged though. We have rare thunderstorms, and lightning strikes nearby are uncommon, but if you happen to be home or know a big storm is rolling through, it doesn't hurt anything to unplug things or switch off hard power switches. Department of Energy. Not all charging stations are completely covered, and Supercharger stations aren’t covered at all. When an electric car is not used for a long period of time, the battery will gradually discharge and lose its charge. You hear stories of items being damaged by lighting, but never thought to unplug my computer or anything. PSA: Unplug everything during a lightning storm. 1. Here are a few myths busted: •Teslas have advanced onboard safety systems that actively monitor the environment. Lightning can generate voltages of up to 15 million volts and has temperatures that reach up to 50,000 degrees Fahrenheit (27,760 degrees Celsius)!Should I unplug things in a thunderstorm? Anything that’s plugged into an outlet in your home is at risk of suffering damage from an electrical surge during thunderstorms. Once the weather’s cleared up, you can plug your laptop back in to recharge its battery. Stay in the Center of the RV Away from Windows & Doors. Should I charge my Tesla during a thunderstorm? When you plug in your electric vehicle, an onboard computer will do some evaluations to assure a secure connection between your car and the EV charger and that it's safe to begin charging. This can lead to your stuff going on fire. Seek shelter if possible. So long as your electric vehicle is parked somewhere safe, there’s no need to unplug it during a lightning storm. I have a super cheapo surge protector (I think I got it @ IKEA for like $2), so in a really bad thunderstorm I'll opt to not turn on my computer. 50 this morning and almost without consciously making the decision I found myself getting out of bed, putting my dressing-gown on and venturing into the pelting rain to unplug my car. I unplug my PC, TV, and consoles for mild and severe thunderstorms. It isn’t dangerous to watch TV during a thunderstorm, but the electronics in a TV set are vulnerable. Unplugging your devices before a storm can prevent lightning damage. The risk of lightning travelling through plumbing might be less with plastic. If your phone is paired to your Powerwall and has an internet connection, you may also initiate a restart through the following steps: Step 1: Select ‘Powerwall Inactive’ in your Tesla app. An electric car’s electrical components are safely hidden away. Should I unplug my Tesla during a lightning storm? It is generally recommended to unplug your electric vehicle (EV) during a thunderstorm to avoid power surges that could damage the. A few weeks ago my area had a violent lightning storm. W. The fitting is a NEMA 3R – which translates to weather-resistant against rain,. electric vehicle. These Powerpacks, plus Tesla Solar, have equipped Supercharging stations with the ability to charge during power outages. I always unplug my DJ gear during lightning storms. What is Resistance and its Trick :you are home during a storm that has electrical activity and you can safely unplug your electronics, it is not a bad idea to do so. Luckily, the mess. Unplugging your TV can be beneficial for infrequent use or during thunderstorms to save on electricity and protect against power. If you have a hot tub, you should unplug it during a thunderstorm. 29 Jul 2013. Keep Your Computer Plugged In. If the receptacle has two sockets, do not plug any other items into the other socket. Merged with Is it bad to leave your computer on during a thunderstorm? . Not only will your microwave suffer damage, but it could. , damage to the Leaf on-board circuitry. My expensive Dyson fan exploded during a thunderstorm last summer. Apr 23, 2017so there's a air gap and this should act as insulation and I need not to be concerned about lightning strike on the electrical line. Unplug your computer during a storm. fish998 • 4 yr. Just turn off the PC and unplug it. So when I had the NEMA 14-50 outlet installed I also had the electrician install whole-house surge protection. Since then have always removed plugs of all appliances. “Electric cars are too expensive” This too is a common misconception surrounding electric cars, because most customers look at premium models like Tesla Model S and the Jaguar I-Pace as. • •. Unplug your air conditioner: To avoid any potential power surges or electrical damage, it’s recommended that you turn off and unplug your air conditioner during a thunderstorm. There is the raising earth problem, especially if you have an old school staked earth like many properties in the US. We would like to show you a description here but the site won’t allow us. FAQs: Charging a Tesla During a Thunderstorm. Note: When using the 10 A adapter, the maximum charging current that an be delivered to your Tesla vehicle is 8A. When it comes to your heating and cooling needs, you can count on Stone Heating and Air. If your Tesla runs out of battery, the car will shut down. This Video Should Help: STRANDED Tesla Model 3!So long as your electric vehicle is secure it’s not necessary to unplug it during a lightning storm. Don’t feel like filling a home owners claim for my 35 year old Technics 1200s, or a Tesla when I get one. It is perfectly safe to use a cellphone during a thunderstorm. However, it may not be wise to shut down your WiFi network for web browsing. This is good becuase it could happen when your not there to unplug it. Thunder won't do anything to your PC. Lightning can strike anywhere and if it hits your EV, it could damage the battery or cause a fire. High voltage (over 240V) can be potentially dangerous to people and electronics if there is a short in the circuitry. Don’t miss these other 10 weird facts about lightning strikes . Probably because it’s an almost every day occurrence. Any protector that does not do that protection is a scam. • Do not attempt to repair or service your TV yourself. 75 each time. Uh, dude. Lost a tv to lightning once. Bottom Line. 26/06/16 - 23:36 #6. Anything that's plugged into an outlet in your home is at risk of suffering damage from an electrical surge during thunderstorms. Chlorine is a chemical that is used to sanitize hot tubs and pools. Tesla Solar can also produce electricity during daytime power outages. If you are unable to unplug your TV, you should at least avoid touching any of. The Supercharger and Wall Connector are both weather-resistant and Tesla cars have safety features in place to avoid electric shock. A sudden surge of high-voltage electricity may damage your car. This is true even if you use a surge protector. 13. ago. With that in mind, consider if you have a lightning protection system installed, and your house is hit directly by lightning. Those numbers have increased, particularly in urban areas, as prices decrease. Like anything, preparation is the key to success. Stay inside at least 30 minutes after you last hear thunder to be sure the storm has passed. 521. ). Location: Kingwood, Texas. NEMA 5-15 Adapter NEMA 14-50 Adapter Additional adapters may be available for purchase. As a kid, my parents always had me run around the house to unplug all of the electronics and appliances during a storm to prevent them from being damaged by lightning. 00 each. Hot. Blog. 12 Should you unplug your Tesla during a lightening storm? Question charging Jump to Latest Follow 1K views 9 replies 8 participants last post by zroger73. •. Media New media Search media. You're not always going to be home to unplug it when storms hit. When you hear thunder you are already within range of where the next ground flash may occur, lightning can strike as far as 10 miles away from the centre of a storm. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. I had never heard that I should unplug my electronics during a thunderstorm, but I lived in a valley. Many Tesla owners have questions about charging during thunderstorms and other extreme weather events. The plumbing company said this is just as rare as getting struck by lightning yourself. "Because of its low cost, ease of playing, and quick learning curve, you should seriously consider whether the air guitar is the instrument for you. It could, of course, take a direct hit, but if that happens, your laptop will be the least of your worries. If you see any signs of damage, such as corrosion or cracks, you should take your car to a mechanic to have the battery checked. but if I hear that something big, like a solar flare is coming, I do something fairly similiar: I turn off my main computer and unplug some of my other more important electronics, and. This will help to avoid any potential sparks. 2. Jonathon Ratliff says this is a question he’s heard “many, many times” while spending years working on zero emission vehicles. Don't overload your wall outlet, extension cord, power strip, or other electrical receptacle. DCFUKSURMOM • 1 min. t Unplug your TV during a lightning storm or when it will not be used for long period of time. Rain is not a problem. The car does stuff when it’s parked, and if it’s plugged in, it will use wall power to do that stuff rather than use power from the battery. 3. Sorry for your problems. What happens if Tesla runs out of battery? As it keeps slowing down to around 15mph, your Tesla will notify you that it won’t be able to drive soon, and finally, it comes. Botox can help to relax the muscles in your lip, which in turn can stop the curling. LI batteries are “happiest” around 50%, and don’t like extremes (>90, <10). Also, don’t forget to unplug your home gadgets from the wall socket during an electrical storm. Confirm that these are rated to handle the total current drawn by your Xbox (as shown on the power supply), and by any other devices on the same AC circuit. electric shock, avoid handling the power cord during electrical storms. Community. Tesla is designed to prevent electric shorts and other damages from a thunderstorm. . . But don’t assume that a basic surge protector is going to save your PS5 or Xbox if lightning strikes. I lost internet for about 8 minutes during the 30 minutes this took place. When you know there’s a lightning storm nearby, or might be one while you’re out of the house, unplug all your sensitive electronics to keep them safe and unaffected by potential power surges from lightning. A big surge can bypass the protector, for one, causing a bit more electricity than advertised to get through. Then use wild speculation to assume nothing can protect from surges - such as lightning. I can't test my graphics card, ram, and CPU until the new motherboard arrives. If lightning strikes, you can plug in your surge. Lost the tv set top box also that day. Yes, always a good idea. • 2 yr. Now keep in mind that we're not talking tornadoes or hurricanes here. That would be ok since I played games for 7 hours once right in the middle of the thunderstorm and my setup got out of that in 100% condition. California. Now keep in mind that we're not talking tornadoes or hurricanes here. Unplugging your RV from shore power or any external sources of energy is the best way to minimize the risk of damage to your RV. turn it off. Power Off will NOT stop the Tesla from turning back on when prompted if you have a key card, key fob, or phone key active and within range. The risk of being electrocuted while bading in the hot tub during a thunderstorm poses a serious threat in case of a lightning strike. Another thing to consider is a panel surge suppressor which could help with a close by strike. even my backup drive caddy is plugged in (but not switched on) so if we were. Orbis Tabula Member. Conclusion. The whole house protectors are mainly to protect you when some truck hits a power pole and shorts things out. After the storm has passed, you can reconnect the battery and plug in your electronic devices. California. Good idea, we had a lightening storm here last night, first one this year. I’ve always unplugged my EVSE since my first EV purchased in 2011. Many Tesla owners have questions about charging during thunderstorms and other extreme weather events. I have a UPS, just in case things go wrong it'll protect my components more than a surge protector. Despite what we might have gotten ourselves, we plugged in the Tesla Model S with a mobile connector via a NEMA 14-50. Also bring in slides, etc because of high wind gusts. Unless there was a lightning strike nearby you really don't have anything to worry about. So if you’re worried about it a know a storm of some kind is coming, then you should not only turn your PC off, but also unplug it. Can someone unplug my Tesla? The owner of a car can remotely unlock the charge port. I always unplug my DJ gear during lightning storms. This will help protect the electronic equipment and electric appliances inside your RV. If you don’t have a whole house surge. A major storm can produce 140-160 thunderstorms per year, with an average of 28 lightning strikes per minute lasting up to 10 hours. Think Electrical Safety to Avoid Electrical Repair. Surge protectors can prevent damage to components, but they're not 100% reliable. Unplug your laptop from Charging. electric shock, avoid handling the power cord during electrical storms. Electronic devices should be unplugged before a storm arrives. Even though I live in Florida, the lightning capitol, I had been procrastinating for a number of years in getting whole-house surge protection. That’s because electric vehicles are purposefully engineered to withstand rain and water intrusion, not to. Should I Unplug My Tesla During A Thunderstorm? During a thunderstorm, there is an increased chance of lightning strikes or water damage. GeekOutHuntsville • 2 yr. No! It is risky and not advisable to use a microwave during a thunderstorm. • Unplug your TV during a lightning storm or when it will not be used for long period of time. They produce vertically integrated electric vehicles, batteries, solar, and AI software and. When you see the thunder strike, count the time (in seconds) for which it lasts. electric vehicle. Push the charge port door closed. A hit down the road to the power line or phone line may allow a significant spike to enter your electronics prior to your circuit breakers tripping. Regardless, it is still perfectly fine and safe to charge your Tesla in this condition. This means staying off corded phones, electrical appliances, wires, TV cables, computers, plumbing, metal doors and windows. Seek shelter if possible. A major storm can produce 140-160 thunderstorms per year, with an average of 28 lightning strikes per minute lasting up to 10 hours. Does stowing help during a storm? Or is the difference negligible and you should leave it be and be able to use the Internet? Thanks in advance. Re: Do you stop using machine during thunderstorm with lightning. Do not attempt to unplug such a device during an active lightning storm. It is generally recommended to turn off your TV during a thunderstorm, as lightning can potentially cause electrical surges which can damage your TV. zontar · #8 · Jul 16, 2019. Take a Bath or Shower. So stand by. Do NOT bathe, shower, wash dishes, or have any other contact with water during a thunderstorm because lightning can travel through a building’s plumbing. If you leave the vehicle plugged in just set the charge limit to your usual setting as long as it is not greater than 90%. Preferably the wizard of Oz monopoly edition or the simpsons monopoly edition that helps. mintd782 • 3 yr. and this was for a normal thunderstorm. don't stand in any open. Should I unplug Tesla during thunderstorms? During thunderstorms, it’s not recommendable to charge your Tesla. If lightning strikes near you, electrical currents could travel through the pipes in your home. I remember telling my team the power may go out and I apologize in advance. I usually do 70% to 80%. This is because lightning. It charges at approximately 44 miles of range per hour. Tesla doesn’t advise outdoor charging during a thunderstorm, especially when lightning strikes are possible. Second, if you do decide to unplug your car, be sure to do so safely. Superchargers are safe to use in the rain but, if there is a thunderstorm nearby, you should immediately unplug the car and sit in the car until the storm passes. This will protect your TV from damage due to power surges. Unplug things from the mains and you're okay really. With the UPS connected to the NAS via a USB cable. Yes. Re: Do you "unplug" your spa during bad thundersto. If lightning strikes nearby no surge protector can guarantee safety but unplugging will keep it safe from electrical dmg through the power lines. #3. Turning your computer off won't protect against one, either, if the computer is still plugged in. Informed homeowners properly earth one 'whole house' protector. Don’t want to risk thunderstorms and lightning while away And plugged in. Darkersun • 6 yr. I had a whole house surge protector installed when my charger was installed. Remain indoors to protect yourself from the elements. by Fredman » Sat Apr 11, 2009 5:42 pm. Second there is no ground. is parked somewhere safe, there’s no need to unplug it during a lightning storm. Yes, and there is a government subsidy for electric car owners who unplug cars during storms. You should turn off the power line and unplug all appliances and electrical equipment, such as your phone, laptop, and tv. That's because the lightning current can travel through the power cord. 4% Total voters 78; Do You Unplug During Thunderstorms. Unplugging everything can be a hassle, but fortunately, there’s a better way to protect your electrical. If you can’t find shelter, the Met Office advises you to: “Squat close to the ground, with hands on knees and with the head tucked between them. S. 1:12. If you unplug, unplug from the rear of the PC and don't forget to disconnect the network cable too. Nope unplugging without turning the PS4 completely off is bad what's different when lightning knocks your power out. So long as your. Screwed up my modem too, but everything else on that surge protector was fine including my Nintendo Switch and TV. ago. You can make sure your devices are not damaged before a storm by unplugging them ahead of time. ago. Avoid using the landline, unless in an emergency. Can I charge my Tesla during a thunderstorm? Answer provided by. There's no need to unplug for a mild rain shower, but you should for an impending thunderstorm.