Combo Kit Nixxell AHDBT-401 Battery (2 Pack) and Charger for GoPro HERO4 (GoPro AHDBT-401 and AHBBP-401 Replacement) - Includes: 2 Rechargeable 1290 mAh Batteries + Charger 100% Compatible with: GoPro HERO4 cameras CE Safety Certification, Premium Japanese Cells, 100% memory Free, Super long lasting Recordingpower source info screen. Battery Specifications - : 1500 mAh /Voltage: 7.4 volts, Chemistry: Li-ion , Worldwide Input Voltage: 100v - 240v ( World Charger ) , Charger Plugs Directly into Wall outlet ( no ac cord needed ) Includes: Rapid A/C Charger, European plug and car adapter, 2 x Batteries. OEM equivalent or better. Built in 3RD GENERATION JAPANESE LED INDICATOR chip guides charger to stop working once battery is fully charged. 3 Year Manufacturer Warranty!