Expert Quality, power pack ideal for automotive, light commercial, HGV, marine, agricultural and construction equipment. Capable of starting all 12V and 24V petrol engines up to 8000cc; 12V diesel engines up to 4000cc; 24V diesel engines up to 14,000cc and marine diesel engines up to 8000cc. Uses a twin 29Ah aerospace quality solid lead maintenance-free battery. Three stage integral charging system means battery will recharge from 50% discharge in only five hours. Reverse polarity and anti-surge protected with heavy duty battery isolator switch. and reverse polarity indicators. 2M heavy duty booster cables with insulated jaws. Display carton.