2IN1 7.4V 2S Lipo Battery 600mA Balance Charger For Syma X8C Battery Input DC5V

Output:DC 7.4V 2 600mA. HotRC A400/B3 10W Balance Lipo Ladegerät 2S/3S/4S 100V-240V AC EU/US Plug. Input:DC 5V 1-2A. It is more convenient for different places to use. Basic general lithium batteries with 7.4V three-pin plug are used.

eBay