MED Electronics designs and manufactures 12VDC electronic fluorescent lamp ballasts for lamps of any format in the range 7W to 18W and can be supplied in open OEM PCB format.High effiiency, better than 86%, Constant Power is supplied to the lamp, ensuring maximum life for the lamp. Underrun fluorescent lamps will fails within a few weeks!Constant Power is the key feature providing constant light output regardless of battery voltage. The ballasts are ideal for new installations and as replacements in existing lighting schemes.The ballast dimensions are 96Lx40Wx25H mm insulated plastic enclosure.