The SIP 12v SC Pro Booster 8000 is designed with 18x 600F ultracapacitors for high performance without the need of an internal battery, meaning maintenance-free operation and an unlimited shelf life, plus a lifespan of over 1 million cycles. Safety is key to the design of the Pro Booster 8000. It is built with heavy-duty leads and clamps, which includes a safety fuse on the positive, as well as an ON/OFF switch. For added durability, this booster has a robust and shockproof ABS casing. With a high current superconductor design, the Pro Booster 8000 offers boost-starting that is ideal for motorcycles, cars, vans, trucks and tractors. 8000A boost peak rate and 1200A cranking rate 18x high-quality 600F ultracapacitors for powerful performance Batteryless design for unlimited shelf life and maintenance-free use ON/OFF switch and built-in safety fuse on the positive clamp Robust and shockproof ABS casing for added durability LED indicators for accurate charge rate indication Fitte