Wasabi Power Battery for GoPro HERO4 and GoPro AHDBT-401 (2-Pack) Get extra power for your GoPro HERO4 camera Rechargeable lithium-ion polymer battery with 1160mAh for longer battery life Premium Japanese cells for longer battery life with no memory effect Compatible with the HERO4 Black and HERO4 Silver cameras Includes 2 batteries with Wasabi Power 3-year manufacturer warranty