The ?FXLION PL-3680Q-D2 16.8V/4000mAh Dual D-TAP Fast Charger�?is designed to charge Fxlion AN and BP batteries, but can also be used with other V-mount or Gold mount batteries with a D-Tap connector. The FXLION PL-3680Q-D2 16.8V/4000mAh Dual D-TAP Fast Charger has a 2.2 to 4.8-hour charge time and a 4A working current. An indicator light turns from red to green when the connected batteries are fully charged. This charger is compact in size, lightweight, easy to carry in a bag, and ideal for travel.