This dual battery charger allows you to charge two GoPro HERO3 or Hero3+ batteries at a time. Batteries are charged outside of the camera, using any USB power source. Mini rapid charger fully charges 1 or 2 GoPro batteries for the Hero3 or Hero3+Great replacement for GoPro ACARC-001, AWALC-001, AHBBP-301Smart charging LED indicates when charging is complete and prevents battery from overchargingCE Safety Certification and UL Listed; Meets or exceeds OEM standardsIncludes dual USB charger with USB cord