Charge Voltage: 4.5~5.5V Input Voltage: Input Voltage B+ To B- 3.0~4.2V Detection Voltage: 4.20±0.05A Release Voltage: 4.100±0.05V Detection Delay Time: Less than 200 MS Detection Voltage: 3.0±0.10V Release Voltage: 3.10±0.10V Detection Delay Time: Less than 100 MS Constantcurrent: 2A Short Detection Delay Time: Less than 50uS Releaseconditions: Cut Off Load Normal Current Consumption Of Pcm: Max 60ua Stanby Current Consumption: Max 50ua Allowed 0v Change: Y Max Charge/Discharge Current: 1.5/2A Suggest Working Temperature:-5~45℃ Ir Of Pcm:≤65mΩ Size:about 65 x 25 x 5mm Charge Voltage: 4.5~5.5V Charge Threshold:Vbat (Th)=3.0V type:B: 5V 2A 1A single charging port Colour:green Material:PCB Package Contents: 2 x 18650 Lithium Battery Charging Module Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.