2 Pack of 3.7V 1300mAh AHDBT-301 AHDBT-201 Replacement Battery for Gopro HD Hero 3 3+ Hero3 Hero3+ Camera 2 Pack of 3.7V 1300mAh AHDBT For 301 AHDBT 201 Replacement Battery Replacement Battery for Gopro HD Hero 3 3+ Hero3 Hero3+ Camera