USB Fast Dual Charger for sony NPF 970 and NPF 550 batteries is a smart fast charger meant to charge one battery or two batteries simultaneously at a time.
LCD display shows real-time charging status, two groups of LED indicators display independently during charging completion of charging.
It has an in-built circuit chip, that effectively prevents overcharge, overvoltage, overcurrent, overheating and short circuit protection. It has the characteristics of insulation and heat dissipation, compression and wear resistance.
The charging card slot is independently controlled without affecting each other, and can be charged with single charge, double charge and different types of batteries.