Gaston UPS Battery 12V 18Ah now available in Nairobi Kenya, at Fgee Technology. Buy this  Gaston UPS battery at the best price. We deliver across Kenya and beyond! The Gaston GT12-18 replacement battery is a high quality rechargeable sealed lead acid battery that is designed to provide excellent performance, durability and long life. This battery meets or exceeds the manufacturer’s original specifications. Get one today from our shops located on the Upper Ground floor and Mezzanine Floor, Revlon Plaza-Kimathi street in the CBD opposite Total Station.