Charging Li-Ions batteries
Reading up some on the topic and charging a bank seems to be an issue. Is anyone familiar with this application in the RV world? and or sail boats? A bit of backstory...my S-I-L is planning to buil...
Forum Discussion
pianotuna wrote:According to Battleborn the considerations for my lithium batteries are: Don't charge under 32°F, don't draw power from them under -4°F, and there is the possibility of damage to the battery case if there are vibrations when temperatures are under -15°F. The BMS prevents the first two conditions from being exceeded.
DAMHIK that Li can't withstand freezing. Where I live, leaving them disconnected may not work.
Right now my pair of Battleborn lithium batteries are sitting at 82% with the battery disconnect switch open. They have been there since mid November, dropping .2V over that time.
While if I had a full sized RV I probably would have considered SiO2 batteries, in my 21' trailer weight savings is a big consideration. Switching from a pair of 6V lead acid to the pair of 12V lithium almost doubled my capacity & halved the weight. I love being able to still run my microwave with the batteries at 50%...
