r_713 Posted January 18, 2021 Share Posted January 18, 2021 I'm not a li-ion battery expert, but I'm sure that many of you are. I did a test home-work commute today on my Sherman. It was cold and I went fast when I could. I arrived at work (30km) with 70%/93.3V of the battery remaining. Obviously, I have more than enough battery to get me back home after work. My question is, is it better to recharge at work and then again when I get home (again, at 70%), or should I only charge once at the end of the day (when I'm at 40%)? Which is better for the battery (and why)? Cheers. Quote Link to comment Share on other sites More sharing options...
Chriull Posted January 18, 2021 Share Posted January 18, 2021 1 hour ago, r_713 said: My question is, is it better to recharge at work and then again when I get home (again, at 70%), or should I only charge once at the end of the day (when I'm at 40%)? You'll be most likely below 40%. At lower voltages charge should decrease faster... At least because for the same power more electric charge is needed. But in any case safety margin decreases with battery voltage. 1 hour ago, r_713 said: Which is better for the battery (and why)? "Used full" charge cycles should be about the same. Beeing around medium charge is what li.ion like most. With low charge and low temperatures the cells could be forced to low voltages under higher burdens - stressing them. As charging full at work does. So i'd choose my personal safety. Quote Link to comment Share on other sites More sharing options...
RagingGrandpa Posted January 18, 2021 Share Posted January 18, 2021 1 hour ago, r_713 said: is it better to recharge at work and then again when I get home (again, at 70%) or should I only charge once at the end of the day (when I'm at 40%)? For the battery, there is virtually no difference. For the rider's safety, there is a very slight difference (it's a yuge 3100wh pack, after all). So I'd choose based on convenience: don't bring a charger to work 1 Quote Link to comment Share on other sites More sharing options...
r_713 Posted January 19, 2021 Author Share Posted January 19, 2021 2 hours ago, RagingGrandpa said: For the battery, there is virtually no difference. For the rider's safety, there is a very slight difference (it's a yuge 3100wh pack, after all). So I'd choose based on convenience: don't bring a charger to work Ha, ha. You read my mind. The intent of my question was to help decide whether I needed to buy an extra charger to keep at work or not. 1 Quote Link to comment Share on other sites More sharing options...
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