Easy to installEnhanced power managementRemote OTA firmware upgradeProgrammable BACK-TO-AC auto power upProgrammable sampling periodI2C communication clockSupport stackable battery design to expand battery capacityNOTE: Stacking power strips require special accessories. Can not support None official accessories.Specification features:Current/Voltage monitoring for power ports.Battery terminal current/voltage monitoring, support bidirectional charge and discharge monitoring.power estimationNote: At least one full charge and discharge cycle must be completed!Support , , SFCP fast charging protocol.Support BC1.2 charging protocol.Battery temperature monitoringNote: The forced temperature protection function cannot be turned off, the protection threshold: 65 degreesProgrammable Power Supply Voltage Detector (PVD) function, default: 3.6VIncoming calls automatically start function.Power-off memory function.Programmable shutdown/forced restart.run time statisticsStatic Protection.Linear compensation range Discharge capacity: 5V 4.5A.Nonlinear compensation range Discharge capacity: 5V 8A.Charging capacity 4.5V 5A / 5V 2.5A / 9V 2A / 12V 1.5A.Use I2C communication without occupying other ports.Support 4.2V 4.35V 4.4V 4.5V lithium batteryColour:blackMaterial:PCB Size:56 x 85mmPackage Contents:1 * Power Management ModuleOnly the above package content, other products are not included.Note: Light 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.