BMS controller 12.8v 250ah lithium inverter battery pack for solar panel Automotive Grade Lithium Battery Junlee lithium iron batteries have exceptional quality since they are manufactured by Automotive Grade LiFePO4 cells with higher energy density, more stable performance & amp; greater power. Hightest level safety based on CE Testing Certificate for the cell inside the battery. With no acid in the battery, you're able to safety mount in any position. This makes li-iron batteries perfect for solar home, RV, Campers, Golf cart, motor homes, off-grid applications. 2.(10 Years lifetime)Junlee LiFePO4 battery provides 4000+ cycles, which is more than 10 times to lead acid with 200-500 cycles. Junlee LiFePO4 battery has a 10-year service life, three times longer than the lead acid's 3-year lifetime. L n batteries