Ebay offers ECO-WORTHY 12V 280Ah 3584Wh 300Ah LiFePO4 Lithium Battery for $399.99 (reg. $599.99) after code free shipping.

Apply Code: FALL20OFF

Product Description:

【6000+ Deep Cycles】
ECO-WORTHY 280Ah lithium iron phosphate (LiFePO4) battery can be charged and discharged in 6000+ deep cycles, which is 6 times longer than lead-acid battery.
【Higher Energy Density Cells】
12V 280Ah LiFePO4 battery with higher energy density, they are manufactured by Grade A LiFePO4 cells, more stable performance and greater power. Make you have further RV journeys and richer energy.
【Lightweight & Easy Installation】
ECO-WORTHY 280Ah LiFePO4 Battery is lighter than Lead-Acid battery with the same capacity. Our 280Ah LiFePO4 battery weight is 61.7 lbs, only 1/3 of Lead-Acid battery. More convenient carrying, any mount directions, no leakage risk, safer usage.
【Built-in BMS】
Built-in BMS to protect it from overcharge, over-discharge, charge over-current, discharge over-current, short-circuit, cell voltage self balance, high-temp discharge cut off.
【Application】
ECO-WORTHY 1/2/4 pack 280Ah lithium iron phosphate battery has 3584/7168/14336Wh of energy total, which can be expanded to 57.3kwh with 4 in series and 4 in parallel, perfect for RV, solar off-Grid system, UPS, golf cart, camper, marine, travel trailer, motor homes, etc.