Originally Posted by BentKa

I've been using the LRP 65822 2 x 2S Lipo charging/balancing (EH style plug) harness to charge my dual 2S for my Serpent.

You can find it in most European hobby shops and on ebay.

Works great

I've labeled my batteries to ensure I always balance charge the same pair of batteries each time.
Never had a problem so far......balances out my dual Vampire 70C/6800mAh perfect each and every time

Bent