Type: Li-Ion Nominal Voltage: 24v Size: customized Nominal Capacity: 40Ah Way of delivery: DHL,UPS,FEDEX,TNT,or Airways,Seaways Certificate: CE, ROHS, UL, UN38.3,MSDS Weight: 4kg support rack: available Application: solar storage power, ups power, solar storage etc Cycle life: >500 Times Configuration: customized Warranty: 1 Year PCM type: overcharge/overcurrent/overdischarge/short circuit/balance protection 24v 40ah lithium ion battery pack: 24v 40ah lithium ion battery pac