Features 【Automotive Grade Lithium Battery】 PFCTART lithium iron batteries have exceptional quality since they are manufactured by Automotive Grade LiFePO4 Cells with higher energy density, more stable performance & greater power. Highest-level safety based on UL Testing Certificate for the cell inside the battery.This makes li-iron batteries perfect for solar home, RV, campers,motor homes, off-grid applications.【10 Years lifetime】PFCTART LiFePO4 battery provides 4500+ cycles, which is more than 10 times to Lead Acid with 300~600 cycles. PFCTART LiFePO4 battery has a 10-year service life, three times longer than the Lead Acid’s 3-year lifetime.【95%* Efficiency】 PFCTART LiFePO4 battery’s flat discharge curve holds above 12.8V for up to 95%,of its capacity usage, providing astronomical boosts in run-time compared to only 50% in Lead Acid. This product is your best choice for outdoor camping power and indoor easy installation.【1/3* Lightweight】 PFCTART LiFePO4 Battery weighs only 46.29 lbs for one module, only 1/3* the weight of lead acid batteries, which makes it an easy choice for RVs, Marine and Off-Grid Applications when mounting or mobility is in the consideration.【100% Protection】 PFCTART LiFePO4 battery has built-in BMS (Battery Management System) to protect it from overcharge, over-discharge, over-current, and short circuit with excellent self-discharge rate. Built-in high-temp cut off prevents charging over 167 °F (75 °C). Without memory effect, no matter what state the battery is, it can be used as soon as it is charged. PFCTART LiFePO4 battery is IP65 level waterproof, which set you free from worrying to install indoors or outdoors. Specifications Battery type: LIFEPO4MODEL: 200Ah 12.8V(4S2P)Rated capacity: 200Ah(2560WH)Normal voltage: 12.8V Discharge termination voltage: 10.0V Charging voltage: 14.6VInternal resistance: ≤180mΩ Single cell: IFR 3.2V 100Ah Standard charging.Continuous current: 0.2C5A Continuous voltage: 14.6V Cut-off current: 0.01 C Standard discharge: Constant current 0.2C5A end voltage 10.0V Max. charging continuous current: 100A Maximum discharge continuous current: 100A Operating temperature range. Charge: 0~60℃ Discharge: -20~70℃ Product size: 520*270*220mmWeight : 21 kg（46.29lbs）BMS protectionCell overcharge detection voltage：3.90V±50mVCell overcharge recovery voltage：3.80V±100mVCell over-discharge detection voltage：2.00V±100mVCell over-discharge recovery voltage：2.30V±100mVRated operational charge current：100AOver current detection：150±30APCM impedance：≤50mΩNoteThe BMS it supports up to 51.2V series or 16 parallel installations of the same voltage and same capacity (4S4P), please fully charge the batteries before series/parallel installation to ensure that each battery is at the same voltage and same capacity.