Smatree Power Battery Charger Kit for GoPro Hero HD Hero2 Camera AHDBT-002 AHDBT-001

• 100% compatible with original manufacturer equipments
• Microprocessor control charge
• Overcharge protection, no memory effect
• LED indicators for "Power" and "Charging Full"
• Output Voltage: 3.7v

I have three of these chargers and must say they do the job extremely well, I use several cameras at a time so I have a lot of batteries to charge it takes about 90min to charge a completely drained battery.