Can be powered with most standard USB power adapters, the GoPro Auto or Wall Charger,1 or a computer2 Dual LED lights display charging status of both batteries Allows you to charge your spare batteries while you use your camera Includes a spare 1160mAh lithium-ion rechargeable battery for your HERO4 Black or HERO4 Silver camera - **Includes:** Dual Battery Charger (for HERO4 Black/HERO4 Silver)