Clarke battery charges have been keeping people & their vehicles on the move for over 30 years. The tough, intermediate model BC 330 offers exceptional value for your money & has a range of features including variable charge rates & a powerful boost facility. IMPORTANT NOTICE: THIS PRODUCT IS NOT TO BE CONNECTED VIA A 13AMP PLUG. IT MUST BE CONNECTED TO A SUITABLE INDUSTRIAL SUPPLY ISOLATOR OR HEAVY DUTY PLUG