Sirius Deco Power Aaa Rechargeable Batteries, 4 Pcs Set

With the rechargeable decopower batteries, you get a more environmentally friendly solution for the battery -powered lights and light decorations. The batteries can be charged in The decopower USB Charger. When you set the batteries for charging, they flash blue at the battery's plus pole and stop flashing when fully charged. Decopower Rechargeable Batteries are only compatible with DecoPower USB Charger.