Battery specification.
4 Slots Universal USB Battery Fast Charger for AA AAA Rechargeable Batteries
2/4 Slots Universal USB Battery Fast Charger for AA AAA Rechargeable Batteries
4/3 Slots Universal USB Battery Fast Charger for AA AAA Rechargeable Batteries
4 Slots Universal Battery Charger Smart Fast Charger for Li-ion Ni-MH Batteries
4 Slots Universal Battery Charger For AA AAA Ni-MH Rechargeable Batteries
4 Slots 9V USB Battery Charger For 9Volt Ni-MH Ni-CD Li-ion Rechargeable Battery
