Features: Heavy-duty steel case, high power US manufactured battery and industrial quality switchgear make this model suitable for starting most vehicles. Positive action power switch reduces risk of inadvertent damage by over-voltage. Heavy-duty copper cables provide efficient power transfer. Twin trips prevent damage to battery or internal circuitry. Easy-to-read LED battery indicator to IEC 51 provides fast indication of battery�s state of charge. Surge and spike suppressing circuitry reduces risk of damaging vehicle�s on-board electronics. Fitted with charge balance circuitry to provide even charge to integral batteries. Supplied with mains voltage recharge unit. Made in Europe.Specifications: Model No: POWERSTART500 Voltage: 12V/24V Maximum Engine Size: 500hp Peak Amps 12V: 4400A Peak Amps 24V: 2200A Cranking Current (20�C 5secs) 12V: 1700A Cranking Current (20�C 5secs) 24V: 850A Cold Cranking Current (-18�C 30secs) 12V: 700A Cold Cranking Current (-18�C 30secs) 24V: 350A Cable Section: 35mm� Cable & Clamp Length: 2mtr Weight: 22kg Height: 250 Width: 540 Length: 320