Heavy steel case, high power battery and industrial quality switchgear make this model suitable for starting vehicles up to 200hp. Heavy-duty copper cables with integral polarity reversal LED provide efficient power transfer and reduce risk of polarity reversal. Large, easy to read battery indicator to IEC51 provides fast indication of batterys state of charge. Surge and spike suppressing circuitry reduces risk of damaging vehicles on-board electronics. Supplied with mains voltage recharge unit.