Lithium battery chargin module mini USB 1A

Method: linear charge 1%
Charging current: 1A Adjustable
Charge Accuracy: 1.5%
Input voltage: 4.5V-5.5V

Full charge voltage: 4.2V
LED charging indicator
Charging input interface: mini USB
Working temperature: -10 Degree to +85 Degree C
Dimensions: 25 * 19 * 10mm