sealed lead acid battery 24v 1 High quality with reasonable price 2 CE, ROSH certificate 3 Welcome OEM ODM sealed lead acid battery 24v 1. CC, CV 3-stage charger2. ... use both 110Vac and 220Vac.2,Efficiency: 85%-90%.3,Convection cooling eliminates the need for a cooling fan.4 ... max charging voltage as per customers different kinds of lead-acid battery. 24V 10AH Sealed maintenance free lead acid battery