Specifications:

• Charge module: Linear charging.
• Current: 1A adjustable.
• Charge precision: 1.5%.
• Input voltage: 4.5V-5.5V.
• Full charge voltage: 4.2V.
• Led indicator: red is charging Green is full charged.
• Input interface: micro USB.
• Work temperature: -10℃ to +85℃.
• Inversed polarity: NO.
• Size: small around 25 x 19 x 10 mm. 

Features:

• This module uses very sophisticated charging chip TP4056, the peripheral circuit is simple, protect property, charge high accuracy.
• The module is fully automated processing machinery, SMD parts manufacturing, each module will be tested before shipment, and high reliability.
• This module current self-regulation, as long as the change in the circuit board fixed resistors, can change the output caused 100mA-1000mA, very convenient.