The Sip 12V/24V Sc Pro Booster 18002Xp Utilises Powerful 10X 3400F Ultracapacitors That Offer 18000A Boost Peak Rate. Built With A Digital Display Automatic Charger And On/Off Switch. • 12V/24V Heavy-Duty Capacitor Start Booster • 10X 3400F Ultracapacitors; Batteryless Design • 18000A Boost Peak / 9000A Cranking Rate (12V) • 4400A Boost Peak / 3400A Cranking Rate (24V) • 1Mil+ Lifespan For Long Lifespan And Durability • No Internal Battery Maintenance Required • Charges From A Running Vehicle In 15Secs • Wheel-Mounted With Retractable Handle • Digital Display Screen / On/Off Switch • Reverse Polarity Alarm And Safety Fuse • Supplied With A Fully Automatic Charger • Lightweight Design For Easy Portability • Suitable For A Range Of Car Batteries • Made In Switzerland / 2 Year WarrantyPTDSIP07106