SBC 300 NRG Battery Charger 12V 30 Amp 3-Bank Features 12V, 30 Amp, 3-Banks Three stage charging - bulk phase, absorbtion phase, float charge High efficiency Multiple outputs in order to charge more groups of batteries Differentiated charging for open or sealed liquid electrolite, gel or AGM batteries Integrated output fuse inside the battery charger Capacity of supplying full power with low AC mains voltage Low residual ripple on output Universal AC supply input - 83V - 264V, 45 - 66 Hz Compatible with the generators Short circuit, overloading, output overvoltage and overheating protection Can work in a wide range of ambient temperatures Variable speed of the cooling fan EN 60335-2-29_EMC Class EN 55022 B- FCC Title 47 Part 15 Subpart B Class B 3 Year Warranty