The SIP 12v/24v Pro Booster 5024 is a purpose-designed rechargeable battery booster pack that uses proven and reliable AGM technology to provide powerful boost-starting performance. It offers a high crank rate ideal for a range of applications. Increased durability is achieved through a robust and shockproof ABS casing, plus heavy-duty clamps and copper-cored cables. Perfect for professional environments. Integrated reverse polarity protection offers added safety, while the accompanying audible alert captures attention in busy or loud environments for added peace-of-mind. For added versatility, the 5024 has an integrated 12v DC portable power supply suitable for charging a range of electronic devices directly from the pack. Ideal for boosting motorcycles, cars, vans, trucks, tractors, excavators and HGVs. 5000A boost peak rate and 2500A cranking rate (12v) 1680A boost peak rate and 840A cranking rate (24v) Rechargeable and proven AGM pack with high crank rate 12v DC power take