One of the failure modes for lithium ion is overdischarge. a Recovering a battery that has been overdischarged is difficult and sometimes impossible. This seems

One of the failure modes for lithium ion is overdischarge. a Recovering a battery that has been overdischarged is difficult and sometimes impossible. This seems super over conservative though http://www.mpoweruk.com/lithium_failures.htm http://www.mpoweruk.com/lithium_failures.htm