BatteryGuy 12 volt 5 ah replacement rechargeable battery for Troy Bilt TB280 ES. Fast nationwide delivery available. It meets or exceeds the Troy Bilt TB280 ES specifications defined by the Original Equipment Manufacturer, but at a much lower price. (This is one Battery, Please verify quantity needed for your application before ordering). Chemistry: Rechargeable Sealed Lead Acid / Dimensions: 3.54" L x 2.76" W x 3.98" H / Height with terminals: 4.21" H / Connector Type: F1