The Needle2 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.

Specifications:

Input: DC 5V /1.0A

Idling Output Voltage: 4.2V

Output current: 0.5A / bay

Protection Mode: Short Circuit Protection; Over-Current Protection; Reverse Connection Protection

Case Material: Fire proof material

Loading spring: Military grade spring

Working Temperature : 0-40 Celsius

Indicator light:

Green: charger standby or battery fully charged

Red: charging

 Its military grade loading spring and fireproof case ensure the Needle1 has a long cycle life.