Features BALANCED AND RELIABLE --- The charging board will be multiple batteries in series into multiple batteries for balanced charging, convenient and reliable APPLICABLE MODEL --- Series charging board is applicable for 1s XT30 and PH2.0 Lipo Lihv battery series charging SERIES CHARGING --- The 1S lipo series charging board uses a new design charging solution, which is superior to the parallel board, and the maximum charging current can reach 4A SAFE AND EFFICIENT --- The board is more secure in series connection and can better store the battery; The battery can be charged from one to six at the same time, simply by switching the switch according to the number of batteries UNIVERSAL PLUGS --- Battery charger have two types of main charging plugs(banana connector and for XT60 connector) that can meet almost all balanced charger on the market Specification: Item Type: Series Charging Board Material: PCB, ABS, silicone Application: Suitable for plug PH 2.0mm for Tiny Whoop Package List:1 x Series Charging Board2 x Connecting Cable Package List 1 x Series Charging Board 2 x Connecting Cable