The RT320 is a super lightweight Lithium battery from Varley that packs more cranking current than a Red Top 25 and weighs almost 6kg less. As well as offering benefits of a substantial weight saving over a lead battery, the Varley lithium battery can be charged faster and has a longer storage life. They also offer superior resistance to shock and vibration making them perfect for Motorsport use. Tested to UN regulations for transportation. The battery must only be charged using a suitable battery charger designed for Lithium batteries.Nominal Voltage: 12.8VAmp Hour Capacity: 6Cranking Current: 320ATerminals: M6 FemaleWeight: 1.3kgDimensions: 150 x 87 x 105mmThe Varley lithium RT320 battery is recommended for engine capacities up to 1300cc which are fitted with an alternator. It may also be suitable for certain engines with alternators up to 1600cc but only if the battery is 100% charged and in optimum condition. Please note that it may only be possible to get 2 starts on an engines fr