Discharge current: 45AMain circuit conduction internal resistance: less than or to 15m ohmCharging current (same port): 45ACharging voltage: ternary battery 71.4VOvercharge protection:Overcharge detection voltage: 4.25 +/- 0.025VOvercharge protection delay: 100 +/- 50msOvercharge release voltage: 4.15 +/- 0.05VOver discharge voltage protectionOverdischarge detection voltage: 2.8 +/- 0.08VOverdischarge detection delay: 100 +/- 50msOverdischarge release voltage: ternary battery 3.0 +/- 0.1VShort circuit protection:Short circuit protection condition: external load short circuitShort circuit detection delay: 300uSShort circuit protection release condition: Disconnect load/charge activationBalance voltage:Battery balance detection voltage: 4.18 +/- 0.025VBattery balance release voltage: /Battery balance current: 42 +/- 5mAOvercurrent protection:Detection delay: 100 +/- 50msProtection release condition: Disconnect load/charge activationSelf-consumption: less than or to 50AWorking temperature: -30 Celsius/+80 CelsiusProduct application range:Electric vehicles, tricycles, low-speed vehicles, energy storage, UPS, solar inverters, 18-120V equipment.Colour: silverMaterial: metal +PCBSize: 120x60x10mmDifferent batches, product appearance and color may be different, does not affect the usePackage Contents:1 x Protection Board2 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.