This Optex USB-C Battery Charger will charge most battery types, including 1V, 2V, 3V, 7V and 7.4V Li-ion, Ni-MH, AA and AAA batteries, so you can charge all your devices, camera and toys. This charger offers protection against over-voltage, over-current and short-circuiting, to provide safety and peace of mind. | Optex USB-C Battery Charger for AA/AAA/Camera