The RT900 Varley Lithium battery offers a weight saving of 70% over a Varley Red Top 30 with a much higher cranking current. Weighing just 2.5kg the RT900 lithium battery is ideal for reducing the weight of your race car without compromise. The battery can be recharged quickly using the included Varley lithium battery charger and is tested to UN regulations for transportation.Nominal Voltage: 12.8VAmp Hour: 16Cold Cranking Current: 900ATerminals: M6 femaleWeight: 2.5kgDimensions: 175 x 87 x 155mm (LxWxD)Charger informationDeveloped by Varley for use with their Lithium Motorsport Batteries. Intelligent electronics self limit the charge to prevent damage to the battery whilst also being capable of fully recharging the battery in only a few hours.Nominal output voltage: 14.6vDimensions: 135 x 80 x 44mmWeight: 0.5kgVarley Lithium batteries are Motorsport UK (MSA) approved for Motorsport use.