Charger Module lithium battery DIY Mini USB Port Description: 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 is full charged. Input interface- mini USB. Work temperature- -10 to +85. Inversed polarity- NO. Charger Module lithium battery DIY Mini USB Port Description: 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 is full charged. Input interface- mini USB. Work temperature- -10 to +85. Inversed polarity- NO. Charger Module lithium battery DIY Mini USB Port Description: 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 is full charged. Input interface- mini USB. Work temperature- -10 to +85. Inversed polarity- NO. Polybag