(4 Pack) PowerSuit Backup Battery Set for GoPro Hero4 (High-Performance Replacement Power Kit - AHDBT-401, AHBBP-401) Never run out of power again with these 4 High-performance PowerSuit batteries Batteries each rated at 1160mAh High performance Japanese power cells for longer battery life with no memory effect Compatible with the HERO4 Black and HERO4 Silver models 2 Year manufacturers warranty included with purchase