Protection Circuit Module (PCB) for 407V Li-ion Battery Packs
Protection Circuit Board for 40.7V Li-ion/Li-polymer battery packDesigned for 40.7V Li-ion/Li-polymer battery Apply for 11 cells Li-ion/Li-polymer battery pack protection Internally trimmed charge and discharge voltage limits. Discharge current limit detection. High quality and high yield100% tested before shipment. Working voltage40.7V Maximal working current15A Dimension116mm x 81mm Specifications No. Items Min Typ Max Unit 1 Charging voltage46.446.7V2 Charging current15A3 Discharging current1518A4 Current consumption300uA5 Balance current for single cell556065mA6 Balance voltage for single cell4.14.154.2V7 Overcharge detection voltage for single cell4.34.3254.35V8 Overcharge detection delay time0.961.21.4s9 Over discharge detection voltage for single cell2.222.32.38V10 Over discharge detection delay time115144173ms11 Short circuit protectionExterior short circuit 12 Protection circuitry resistance1530m13 Operating temperature range-40+85C14 Storage temperature range-40+125C Connection Diagram Because of thevery high energy density, Li-Ion Battery pack must be connected to a protection circuit module to prevent accidental battery explosion caused by over-charging or over-discharging.