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I tend not to trust manufacturers (or corporations in general). However I've heard the "don't charge above 80% (or 85%) to extend life" multiple times. Tesla, Nissan, Toyota, Honda, Battery University, and also on radio control sites like AMA, et cetera. I don't even charge my iPhone above...

My advice is the same advice you will find at batteryuniversity's website (just to provide some backing for myself). 20-80% SOC to maximize Li-Ion lifespan. So what voltage is used for 0% and 100% on the Model S meter? Alo I've read multiple places that Tesla "their advice is for regular...

2.5V is typically defined as 0% and 4.2V as 100%. Charging to those extremes is ill-advised as it shortens battery life. I had assumed Tesla used the same definitions, but perhaps I was wrong. I do know Tesla advises "don't charge above 80% unless necessary" as they realize doing so will...

Dear "I think gasoline cars are flawless": What do you suppose happens when a Lexus or BMW's engine catches fire? Answer: The car is Totaled and 100,000 down the drain. A gasoline-powered car catches fire every 50 million miles of drive time. Teslas have caught fire on average every 200...

Deep discharge of Lithium batteries (below 20%) will shorten their life as Leaf owners are discovering. And charging above 80% is also a poor practice for similar reasons. So the 60 kW car really only has 125 miles of useful range if you keep the battery between 20-80% charge to extend its...

I'm an electrical engineer who has owned a hybrid since 2000, and done a lot of research on extending battery life. I've discovered that Lithium-ion batteries don't like to be charged below 20% or above 80% so that limits the useful battery range to 60% of the EPA rating: 60 kW car: 0.6 times...

Lithium doesn't like to be charged below 20% or above 80% so that limits the useful battery range to 60% of the EPA rating: 60 kW car: 125 miles 85 kW car: 160 miles I would recommend no long distance drivers buy the 60 kW car, and instead buy the maximum capacity battery Tesla sells: 85...