The Enouvation E4/E2 Battery Pack and Y Splitter Cable is designed to be used for power motion furniture. The E4 is designed to be used for recliners, sofas, loveseats, sectional recliners, lift recliners and other furniture with one to four motors - approximately 700 cycles with one motor, 600 cycles with two motors, and 300 cycles with four motors - before having to recharge. The E2 is designed to be used for power furniture with one to two motors - approximately 350 cycles with one motor, and 300 cycles with two motors. UL certified after rigorous testing. LED power indicator shows the level of power in the tank, and an interactive power alert when the battery runs low.