QAnoniemIs this sign suitable for protecting two 18650 cells? And can it also be used to load them, or is there a different sign needed?ViewHide 1 answer | Answer this question
AOpencircuitYou can, but the cells must be in series. The cells can be charged with a current from 8.4V to 9V. It is wiser to charge the cells separately because of the possible voltage difference between the batteries.