100% brand new and high quality 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. Protection, safe to use: Micro USB lithium battery charging board with overdischarge and overcurrent protection Good quality: On-board micro USB and soldering joints 5V input`port and charging status indicator Convenient to use: Can be directly input to do with the phone charger rechargeable lithium battery, and there is a input voltage wiring soldering joints, for DIY. Application: Can be used for voltage 3.6V, 3.7V, 4.2V etc. 18650 lithium battery charge and discharge protection. Size- small to 25X19X10mm.
