FMA CellPro 4s JST Charge/Balancing Tap
JST Connector, for FMA Cell Pro Chargers. 5 Node plug. 
If you are ordering several batteries that that you would like balancers on,
please select the same number of balancing leads as batteries. A note in
the notes block during check out always helps as well.
If you are using a Cell Pro FMA brand charger this lead is required on all
batteries.