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Old 05-26-2018, 07:07 PM   #54 (permalink)
Isaac Zackary
Full sized hybrid.
 
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Join Date: Apr 2015
Location: Colorado
Posts: 602

Suzy - '13 Toyota Avalon Hybrid XLE
90 day: 37.18 mpg (US)
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Quote:
Originally Posted by oil pan 4 View Post
I'm going to start setting the charge timer to charge late at night after the battery has had time to cool for several hours.
That's a good rule of thumb!

If you want your battery to last, try to:
  1. Charge in the morning hours, or only when the battery temp bars are 5 or lower. (2 red and 3 blue)
  2. Actually, just keeping the temp bars at 5 or below is the best way to extend battery life. (And the easiest way to do that is move to Alaska.)
  3. Don't leave the battery at a high or low SOC (state of charge) for long periods of time, especially in the heat.
  4. If you need 100% SOC, charge it up to that just before you need to drive. That way your battery doesn't sit at a high state of charge in the heat.
  5. If you get home and still have 50% or more SOC, try charging only to 80%. But occasionally charge to 100% to balance the cells.
  6. If you get below 20% SOC by the time you get home, immediately charge it up to 30% (when the second blue light starts blinking on the dash.) Then stop charging it until morning once the battery cools off. (With the timer set, use the "off" button to start charging and then unplug and plug back in the J1772 socket to stop charging until the timer wants to.)
  7. Park in the shade.
  8. Use CHAdeMO charging as little as possible in the heat. If it's cool enough CHAdeMO won't hurt battery health as much.
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