SkyRC Dual Port Safe Parallel Adapter - SK-600071
This is a Multi-Port Safe Parallel Module for safely interconnecting same-cell-count LiPo batteries in parallel; also supports RX\/TX NiCds. This version supports LiPo batteries with JST XH compatible balance connectors and wiring. Interconnect cables available separately.
Tech Note: The balance connector on the dual port parallel adapter is an 8S balance connector. Please ensure your charger can support an 8 cell (8S) balance connector. 
Features:

Cell Count: 2~8S
8S Balance Connector Type: XH
Fuse Protect
Over Current Indicator