Features BALANCED AND RELIABLE: The charging board will contain multiple batteries in series in multiple batteries for balanced, convenient and reliable charging. APPLICABLE MODEL: Serial charging board is applicable for serial charging of Lipo Lihv 1s XT30 and PH2.0 batteries SERIAL CHARGING: The 1S series lipo charging board uses a newly designed charging solution, which is superior to the parallel plate, and the maximum charging current can reach 4A. SAFE AND EFFICIENT: The board is safer in series connection and can better store the battery; The battery can be charged one to six at the same time, simply by changing the switch according to the number of batteries. UNIVERSAL PLUGS - The battery charger has two types of main charging plugs(banana plug and XT60 connector) which can meet almost all balanced chargers on the market. Specification: Item Type: Serial Charging Plate Material: PCB, ABS, Silicone Application: Suitable for PH 2mm plug for Tiny Whoop Package List: 1 x Charger Board Series 2 Connection Cables Package List 1 x Series Charging Board 2 x Connecting Cable