Maximal Power Replacement Battery for GoPro Hero HD HERO, HERO2 Pro Camera, Part# AHDBT-001, AHDBT001 DB GoPro AHDBT001 Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty Replacement battery for GoPro Hero HD HERO, HERO 2 cameras and part number: AHDBT-001. It works with many GoPro HD Hero and Hero2 cameras. Chemistry: Li-ion, Output Volts: 3.7V, Capacity: 1100mAh Premium cells made in Japan 100% Compatible with original manufacturer equipments and chargers Absolutely no memory effect and can be charged at anytime