Lithium Battery Charging + Protection Module

This module is made for charging rechargeable lithium-batteries. Using the constant-current/constant-voltage (CC/CV) charging method, the charge port can take power from USB.

5V 1A Dual Functions TP4056 18650

Specifications:
Input interface: micro USB
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 means charging, green means full charged
Work temperature: -10℃ to +85℃
Inversed polarity: no
Package size: 45 * 45 * 20mm / 1.77 * 1.77 * 0.79in
Package weight: 9g / 0.32ounces