Securit waterproof battery which features lithium-ion technology. Attach the battery to the back surface of the pavement board or information display and use it while charging. Two hours of charge gives up to 12 hours of power depending on product application and brightness. Product features Dimensions 230(H) x 110(W) x 36(D)mm Material Metal Supplier Model Number MCS-BATT Weight 345g Colour Black Warranty RBD 1 Year Waterproof; Lithium-ion technology; 2 hours of charge gives up to 12 hours of power Securit battery set for DL180 DL183 DL184 DL185 Can be used while charging 2 hours of charge gives up to 12 hours of power