Golisi Needle 1 is a portable and safe smart charger with one battery slot. It has a USB power port with DC 5V/1A power input. What's more, it is compatible with almost all types of cylinder shape rechargeable batteries such as 18650, 20700, 21700, 26650 and 18350 batteries with 0.5A output current. Together with a LED light indicating the battery charging situation, light Short Circuit Protection, Over-Current Protection, Reverse Connection Protection and Over-Heat Protection, Needle 1 Charger will bring you a simple and safe charging experience.

Parameters

USB Port: Power input at DC 5V/1A
Activate Battery: it can activate 0 voltage li-ion battery
Output Current: 0.5A
Loading Spring: Military grade Spring, >100K cycle time. (Smooth and durable) 
Protection: Short Circuit Protection/Over-Current Protection/Reverse Connection Protection/Over-Heat Protection
Case Material: ABS/PC(Fire proof)
Battery Compatibility: Li-ion 18650, 21700, 26650/ Ni-mh/ Ni-cd/ aaa/ aa (almost all types of cylinder shape rechargeable batteries)
Quality certificates: RoHS, CE, FCC, EMC

Portable and safe smart charger
USB power port with DC 5V/1A power input
Compatible with almost all types of cylinder shape rechargeable batteries
LED light indicating the battery charging situation
Military grade loading spring
ABS/PC fireproof case