Goop 821BW AA/AAA/9V/D/C Universal Battery Charger For Ni-Cd Ni-MH Cells

Smart LED Display: Uses Red/Green lights to show charging status and progress for each battery.

4 Independent Bays: Allows for simultaneous charging of 1 to 4 batteries without them affecting each other.

Smart Current Selection: Automatically or manually chooses the optimum charging current for your specific batteries.

Auto-Stop Technology: Automatically ceases charging as soon as it senses the batteries are fully recharged.

Advanced Safety Circuit: Protects against reverse polarity, short circuits, overcharging, and over-discharging.

Over-Current Protection: Prevents high-current damage to ensure a longer battery lifespan.

USB Power Input: Operates on a standard 5V voltage, making it compatible with most USB power sources.

Wide Compatibility: Supports DC 3.7V lithium batteries including 10440, 14500, 16650, 14650, 18350, 18500, and 16340.