With a USB input interface, you can use a laptop, car charger, mobile phone charger, etc. to charge the battery
【Safety】 :Multiple safety protections, over-current, over-charge, short-circuit and over-heat protection, etc., and has the function of automatic battery inspection, which can detect bad batteries
Efficiently Charge Multiple Batteries - With 6 independent charging slots, AA AAA battery charger allows you to charge up to 6 AA or AAA NiMH/NiCD batteries simultaneously Safety Monitoring - smart charger has chip-controlled automatic charging cutoff when the battery is full, along with an LED indicator
【Caution】: Do not charge non-rechargeable batteries !