The DB47 backup battery for S series action cameras from AEE is an external power pack that attaches to the back of you action camera to extend its battery life. It features a 1000mAh capacity and can recharge using virtually any USB power source, including the DC10 auto charger, available separately. LEDs indicate remaining charge or charge status when recharging. Compatible with S series action cameras from AEE. Compatible models includes S71, S70, S60, S51 and S50.