Golisi Needle 1 Intelligent USB Charger with the one battery slot is a compact and practical mini charger which utilizes a USB power port to charge cylindrical rechargeable batteries of lengths ranging from 32mm to 70mm. Its military grade loading spring and fireproof case ensures the Needle1 has a long cycle life.

USB Ports:

Power input at DC 5V / 2A, with or without an adaptor  (Adaptor is not included )

Output Current: 0.5A

Safety Protections: Short Circuit Protection; Over-Current Protection; Reverse Connection Protection; over-heat protection

Case Materials: ABS, PC. Fireproof Battery Compatibility: Li-ion 18650, 21700, 26650 / Ni-Mh / Ni-Cd / AAA / AA (almost all types of cylinder shape rechargeable batteries)