Product Description 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.
