GoPro HERO3, HERO3+ Battery (2-Pack, 1200mAh) and Triple Charger by Wa – Wasabi Power
Amazon.com: Kastar 2-Pack Battery and LTD2 USB Charger Replacement for GoPro AHDBT-201 AHDBT-301 AHDBT-302 Battery, ACARC-001, AWALC-001, AHBBP-301 Charger, GoPro HD HERO3+ Silver Edition, HD HERO3+ Black Edition : Electronics