The Nitecore NLGP3 Battery is specifically designed to power the GoPro HERO3 or HERO3. It is a high performance Li-ion battery pack featuring an integrated battery overcharge/discharge protection circuit. When your battery runs out of power, simply recharge it using the Nitecore Intelligent USB Charger. This gives you more flexibility and versatility when it comes to powering your GoPro. Features: -Capacity: 1180mAh -Voltage: 3.7V -High performance Li-ion Battery Pack -Integrated battery overcharge/discharge protection circuit -Designed to power the GoPro HERO3 and HERO3 This bundle includes EdisonBright AA/AAA alkaline battery sampler pack