RE: LiFePO4 batteries
There is a new battery checker now the market that gives what percentage of charge is left in a battery or the percentage left in each battery cell.
The battery checker is the EOS Sentry the unit will check Nicad, NiMH, Life, Lithium Ion, 123, costs about $40.00
Can be purchased at the Hobby Super Store in Ft. Lauderdale, FL