Universal Rechargeable Battery Charger with USB Charging Slot

Powerful charger: reaches a maximum charge current of 1A when using a 3.7V battery charger. Smart and versatile battery charger: simultaneously charges rechargeable batteries with different specifications. Compatible with Li-Ion 3.7V - 18650, 26650, 14500, 16340 batteries. Safe charge protection: features computer control technology, integrated smart circuit protection prevents overcharges, excessive discharges, overcurrents, oversights, overheating, short circuits, and polarity inversion conditions to safeguard your battery. Charge anywhere, anytime: utilizes a Type-C input port, allowing charging via external batteries (5V/2A), laptop, car charger, phone charger, wall USB adapter, etc.