The Sealey 1224V Jump Starter Power Pack Lithium-Ion Phosphate benefits from being a compact, lightweight unit that also provides high amperage output. Powered by Li-ion technology and fully protected against reverse charging as well as overload, the battery is part of a range that are becoming more used in automotive applications thanks to their high safety, low toxicity and long cycle life. Capable of starting 12V vehicles and up to 400-450HP, 12V 5L Petrol3.5L Diesel, 24V 3L, the battery has a capacity of 32000mAh 3.2V, 8000mAh 12V, 4000mAh 24V with a peak output of 1200A for 12V or 600A for 24V. As well as being light, lithium-ion batteries have numerous advantages over lead acid, including a flat discharge curve. This ensures a greater and extended performance and holds the charge for up to 5 times longer with high energy density levels giving more battery power per gram. With two USB 5V1A and 5V2A outlets, this unit can also supply up to ten full charges for smartphones and MP3 players or one full charge for your tabletcomputer. As well as built in 3W worklight for working in darker situations, the jump starter also features a 12V port to be used with accessory socket adaptor supplied and three mobile phone or tablet charging cables.