This module can charge for single-cell lithium battery or multi-section parallelled lithium batteries, can be powered by USB ports, With LED indicators showing the charging status. Red for charging, Green/Blue for fully charged.

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 blue/green is full charged.
Input interface- mini USB.
Work temperature- -10 to +85.
Inversed polarity- NO.