Suitable battery: 1.5VAA AAA alkaline battery.
3.7V Rechargeable Batteries Button Top/Flat Top Cell, 4Slot USB Battery Charger
4Slot Smart Battery Charger For Li-ion Ni MH Ni CD AA AAA Batteries With Display
9 Volt Block PP3 Lthium Li-ion Rechargeable Battery / 4Slot Fast Battery Charger
3PCS RC USB Battery Charger with SM-2P Connector Plug 3.7V Battery Charger Cable USB Compatible 3.7V USB Charger Cable for Nicd/Nimh/Lipo Batteries with Led Indicator for RC Car Child Toy Car
18650 Battery Charger 4 Slot, USB Battery Charger for 3.7V Li-ion Rechargeable Batteries, Universal Battery Charger AA AAA Compatible with 18650 26650 21700 with LED Display and USB Cable
