Profile: JFM Engineering, Inc. develops and manufactures precision battery test equipments. Our product line includes charge analyzer for main batteries, automated battery test systems, charge analyzers for small battery packs, calibrators, trickle chargers and accessories. Our battery accessories are such as extender board, single cell adapter, temp-plate and water-filler. Our trickle charger is a low current, constant voltage charger and it is used to trickle charge nickel-cadmium and lead-acid batteries. We offer equipment repair and spare parts services.