ENVIE ECR 32 CURVV Ni-MH Battery Charger for AA/AAA Rechargeable Batteries, 2/4 Slot Smart USB Charger, LED Indicator, Overcharge Protection, Battery Revival Function

• Smart Charging Control: Advanced MCU ensures efficient charging for AA/AAA Ni-MH rechargeable batteries with independent slot management. • Dual or Quad Charging: Charge 2 or 4 batteries simultaneously without affecting performance or battery life. • LED Status Indicator: Easily monitor charging progress-red for charging, green for ready. • Safety First: Automatically detects non-rechargeable or faulty batteries, preventing short circuits or overheating. • Battery Revival Mode: Revives deeply discharged (0V) batteries to extend battery life and usability.