Overview Brand : Cymoye Battery Cell Composition : Lithium-Phosphate Product Dimensions : 6.8"D x 13"W x 8.5"H Terminal : M8 Manufacturer : xiyingshidai Vehicle Service Type Boat, Passenger Car, Trailer : Voltage 12 Volts : Vehicle Service Type Boat, Passenger Car, Trailer : Voltage 12 Volts About this item 【10 Years lifetime】: 12v 140ah Lithium iron phosphate(LiFePO4)battery provides 7000+ cycles (10 times longer) & a 10-year lifetime compared to 200~500 cycles & a 3-year lifetime in lead acid battery 【100% Protection】Our LiFePO4 12v 140ah battery has built-in 100A BMS (Battery Management System) to protect it from over-charge, over-discharge, over-current,short circuit and over-temperature. Without memory effect, no matter what state the battery is, it can be used as soon as it is charged 【Widely Applications】This product is your best choice for 12V deep cycle applications in Caravans, Marine,Camper Trailers, Medical Devices,Golf Carts, RVS, Outdoor Camping Power and Residential Backup Power.Prohibited as a starter power for cars 【1/3 Lightweight】 The deep cycle Battery 12v has a sturdy build and is very compact, its nice compact size for various projects. Weighting only 32 lbs for one module,our 12V 140Ah lifepo4 batteries weighs in at only 1/3 the weight of lead acid batteries.Please note that the 140ah battery is the same size as the 100ah battery, but the weight is different. 【Double capacity of 3584Wh】12v 140ah LiFePO4 battery possesses industry-leading technology . This model has excellent and reliable . 2 packs batteries can consist a system of 3584Wh and suitable for electric energy storage.