The SIP 12v Pro Booster 2513 is a purpose-designed rechargeable battery booster pack that uses proven and reliable AGM technology to provide powerful boost-starting performance. The 2513 offers a high crank rate perfect 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 2513 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 and trucks. 2500A boost peak rate and 850A cranking rate Rechargeable and proven AGM pack with high crank rate 12v DC power take-off powers electronic devices directly Heavy-duty clamps and high-quality copper-