GoPro Rechargeable Battery for HERO4 Black/HERO4 Silver (GoPro Official Accessory) 1160mAh lithium-ion battery: High-quality rechargeable battery for your HERO4 BLACK or HERO4 SILVER (ONLY) Camera Extra or Replacement Battery: Use it as a spare or replacement battery for your GoPro to stay charged on the go. See: AHBBP-401 Dual Battery Charger + Battery for your charging needs