24-Volt Solargizer Model 150 Battery Maintenance for all Battery Systems up to 24 volts. Eliminates Sulphur from Lead Plates. Solar Panel Dimensions 5.5" X 4.5" X .125" Renews dead batteries suffering from sulfation buildup and helps bring them back to life. Prevents the normal loss of battery power on stored vehicles no matter how long they sit unused  even months at a time Includes an LED light that indicates the circuit is energized and the unit is working. ncreases battery life span up to three times longer.