4 Slots intelligent Smart Battery Charger for AA/AAA Rechargeable Battery --ZN421E

One for all: This intelligent fast charger charges all popular round cells!

·         DC5V input, global safe voltage

·         LED lights display charging progress for each battery individual (Red light charging, Green light full of charge).

·         With battery reverse connection protection, short circuit protection. Charging more safety.

·         Automatically stops charging when full of charge battery. Extended battery life.

·         Safety cut out circuit, Built-in protection circuit prevents overcharging.

·         Constant current, constant voltage charging, automatic identification.

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·         The last charger you'll ever need: Suitable for Rechargeable

·         26650/18650/18500/18350/17670/16340/14500/10440 Lithium Batteries.