powerKAN S28 Battery Tester Storage Box, Can Test The Residual Voltage Of Alkaline AA&AAA Batteries, Can Store Up To 20 AA Or 28 AAA Batteries

POWERKAN AA AAA Battery Portable USB Charger, LED Charging Status Display, Suitable For 1.2V AA AAA NiMH Rechargeable Batteries, 8-Channel Independent Mixing Technology, Widely Used In Home AA AAA Battery Charger Accessories