edatoakrun said:
http://home.roadrunner.com/~mhebert/rm/Battery_Information_Sheet.pdf
First time I saw this, thanks. Seems to me to say that frequent charging from a high state of charge-'topping off' to 100%-does the most harm.
Seems to (somewhat) contradict the conventional wisdom of other battery life threads, that avoiding fast charging, especially to 'top off', was the best battery life extension technique. Or am I misremembering what I've read?
Lithium batteries don't like to be stored when close to 100% full. The longer they are stored at high SOC, the faster the battery degrades. Even worse is if this is done at high temperatures.
By frequently topping off the battery, you are making sure the battery spends more time at or near 100% full.
The BMS won't let you quick charge to "top off" it starts ramping down the charge rate by 80% SOC. That's also why regen is limited by the BMS when driving at a SOC > 80%.