I am doing a test to see how long a new battery will last powering 3 LED lights here is a discription of the lights 150 Lumen output. 45W Incandescent equivalent. 2.5 Watt power consumption. 300mA current consumption. White 6000K. 30,000 hour life. E27 base. 12V AC/DC. 2.4" diameter x 4.75" height. Super SMD Bright LED Light. Aluminum, Zinc metal alloy heat sink. The battery is a 12v deep cycle wal-mart special 125 amp hours. so far 18 hours and going strong. Will keep updating.