Lightweight Lithium Ion starter battery, 3.86 lb / 1.75 kg kilogram, specially developed for Harley Davidson, Custom built motorcycles and Racing cars up to 2 Litre using alternator. A1GP Caterhams Sports 2000 Duratec FF1600 FF2000 FF Zetec FF Duratec F BMW F Jedi F Masters F Renault F Vee Lotus Elise Challenge Westfield BRC Other race cars w/o alternator up to 1600cc, other race cars with alternator up to 2000cc. This newly developed battery is designed to replace the much heavier 20 to 35 Ah lead/acid battery. The super B 10P is based on the safe Lithium Iron Phosphate technology (LiFePO4), better known as Lithium Ion. The super B 10P delivers up to 600 Cranking Amps. The super B 10P offers many advantages over conventional 20 to 35 Ah lead/acid batteries: weighs less: as much as 80% weight saving; < 3.86 lb / 1.75 kg recharges many times faster: within 5 minutes after starting your engine the battery will be recharged; is much smaller: 1/3 or less of the space; 4.7 inch, 5 inch, 3.23 inch (WxHxD) / 120mm x 127mm x 82mm (WxHxD); has a longer service life: more than 5 years instead of 2 to 3 years; has a low self-discharge rate. Technical specifications Nominal capacity and voltage 10Ah, 13.2 V EqPb (Equals lead acid battery) 20 to 35Ah Recommended standard charge method 14A to 14.4 CCCV, 45 min Recommended fast charge current 40A to 14.4 CCCV, 15 min Maximum continuous discharge 200A Pulse discharge 600A Recommended charge and cut-off V at 25°C 14.4V to 8V Recommended charge and cut-off V below 0°C 15.2V to 2V Operating temperature range -22°F to +140°F / -30°C to +60°C Storage temperature range -58°F to +140°F / -50°C to +60°C Battery weight < 3.86 lb / 1.75 kg Dimensions 4.7 inch, 5 inch, 3.2 inch (WxHxD) 120mm x 127mm x 82mm (WxHxD)