The eneloop USB charger is practical when on the go, and can charge 2 or 4 AA/AAA Ni-MH batteries.
2 LEDs indicate the charge status per cell pair.
Timer shut-off: The charger stops charging automatically after 10 hours.
Can be used worldwide (100–240 V/50–60 Hz)
It takes just 10 hours to fully charge the 4 eneloop AA (2000 mAh) batteries. (Charging time depends on battery capacity)