OXOPO Li-Ion 4xAAA 550mAh Battery w/charger

OXOPO Li-Ion AA batteries with USB-charger, 4-pack, black, These super-fast rechargeable batteries charge up to 80% after only 30 minutes and 100% after 60 minutes. The batteries provide constant 1.5V unlike standard NiMh rechargeable batteries which only provide 1.2V. For best performance, the batteries should be charged in the supplied charger. Volt: 1.5, Battery type: Li-ion AAA, Size (mm): D 10.5 x H 44.5, Capacity: 550 mAh (825mWh), Charging bikes: up to 1000 times, Operating temperature: -10 ° C - 60 ° C, Certificate: FCC, UN38.3, CE, RoHS, MSDS, Package contents: 4x AAA Li-ion batteries, LED USB-C charger and charging cable.