12V 40AH Lithium Ion Battery: the perfect replacement from a AGM, GEL or Lead Acid BatteryProduction：OptimumNano 12V 40Ah LiFePO4 battery pack consists of 32650 cells in 4 series and 8 parallels, using in solar system, UPS and maritime.Product parameter:Model:OPT-1240Type:LiFePO4 batteryNominal voltage:12.8VTypical capacity:40AhMax continous discharge current :40AMax pulse discharge current :80AWork voltage range:8V~14.6VSize:197*170*165mmWeight:appro.6.5kgAbout 2000 cycles to 80% with 100%DOD under 20°C~25CApplication:Auto start battery,e-wheelchair, UPS,Emergency lighting, Portable electric appliance,Medical equipments and so onProduct feature:1.Safe:Rigid aluminum alloy housing protection, BMS or PCB built inside to protect the batteryover charge or discharge.2.Environmental-friendly: Accredited with RoHS, without any hazardous and noxious?substances.3.Lighter and smaller: 1/3 weight of lead acid battery, 70% size/weight of Ni-MH/Ni-Cd?battery. 4.Powerful: Able to discharge at 20C at 65°C max.5.Long cycle life: Over 2000 cycles with capacity staying at minium 80%. Lead battery and other Li-ion batteries only have 300-500 cylces, such as Ni-Cd battery, Ni-MH battery.6.Wide temperature range: Available for use when the temperature ranges from -20°C to 70°C.7.Quality assurance: BV and SGS approved supplier, with TS16949 and ISO9001 quality management certificates and UL, CE,IEC62133, RoHS certificates.Our service1.Samples are available?with charged.2.Every battery pack can be customized according to your specific demand.3.2 years warranty.?Production Line:Certificate: UL,CE,ROHS,UN38.3 http://www.optimumnanolithiumba...ry-the-perfect-repl.html