Designed for jump starting engines. Heavy duty extra-long insulated booster clamps and copper cables. Surge protection. Outer casing constructed of impact-resistant plastic. 1 year battery warranty. Rapid mains charger included. Peak tension protection. Recharging indicator. 12v DC output socket. Pro Booster 5024 (07192) 12/24V. 5000/2500amp peak boost rate. 1680/840 cranking rate. With surge protection. 40mm copper cables and heavy duty clamps. Extra fast charger. Digital charge display