Neptune Upgrade Battery For LiftMaster Chamberlain 485LM 12 Volt 5Ah Works With All LiftMaster & Chamberlain Garage Motors LiftMaster & Chamberlain is one and the same company. LiftMaster is sold through their dealer network. Chamberlain is sold in Retail stores. LiftMaster 3859 &8500 Jackshaft Operators LiftMaster /Chamberlain Makes Great Garage Door Equipment. They Do Not Manufacture Batteries!!! Guanzhou NPP and Leoch Names Can be Found Directly On Their Batteries Neptune 12v 5ah instead of OEM4.5ah Longer Lasting UL Rated 12v 5ah Battery 2 Year Warranty Volts 12 V Amp Hour 5 AH Chemistry SLA / AGM Terminal .187" - F1 Length 3.54" Width 2.76" Height 4.21" Weight 3.
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