Features:1) high-accuracy voltage detection circuit;2) terminal of the charger using high voltage device;3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit);4) MOS transistor can control the battery charge and discharge;5) low standby current consumption.100% brand new and high qualityOver Charge voltage:4.25-4.35v0.05vOver Discharge voltage: 2.3-3.0v0.05vMax Working current:25A Max peak current:35-40A Working temperature:-40---+50 Storage Temperature:-40-- +80Small current:50uA Life cycle:more then 30000 hoursResistance:Less than 100m Short Cut:Protectable,Charge can repairSize:56*45*4.0mmPackage include:1 pcs battery protection boardNotes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you2. Please allow 1-3cm measuring deviation due to manual mearement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store