Maximum discharge current: less than equal 20AInstantaneous discharge current:100ACharging voltage: 42VMaximum charging current: 20AOvercharge detection voltage: 4.280.05VOvercharge protection delay: 100msOvercharge release voltage: 4.080.05VOverdischarge detection voltage: 2.55 0.08VOverdischarge detection delay: 50msOverdischarge release voltage: 3.00.1VOvercurrent detection voltage: 150mVOvercurrent detection delay: 15msOvercurrent protection current: 12020AOvercurrent protection release condition: disconnect loadShort circuit protection condition: external load short circuitShort circuit detection delay: 200uSShort circuit protection release condition: disconnect loadMain circuit conduction internal resistance: less than equal 15mohmWorking current: less than equal 40uASleep current (when the battery is over-discharged): less than equal 10uATemperature range: -30/+80CDifferent batches, product appearance and color may be different, does not affect the useColour:silver + greenMaterial:PCB+MetalSize:63 x 33 x 10mmPackage Contents:1 x Protection Board1 x cableOnly 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.