Wasabi Power Dual Battery Charger for GoPro HERO4 and GoPro AHDBT-401, AHBBP-401 Mini rapid charger fully charges 1 or 2 batteries for the GoPro HERO4 Great replacement for GoPro AHBBP-401 Smart charging LED indicates when charging is complete and prevents battery from overcharging CE Safety Certification; Meets or exceeds OEM standards Includes dual USB charger with USB cord; 3-year manufacturer warranty