Specification

• Simple way to charge two packs at once.
• Use the 4S charge port on your charger to charge and balance 2 2S packs at the same time.
• Compatible with 5S, 6S or 8S iMAX and GT-Power chargers (B5, B6, B8, A8, A6, etc).

Make sure the 2 2S packs you are charging together are from the same factory and has identical capacity and discharge rating!

Because it's a thin wire, the max charge current should be no more than 4A.