Draper 12v portable power pack draper 40133 versatile power pack ideal for petrol vehicles up to 3000cc and diesel vehicles up to 2400cc on off power switch voltmeter with battery charge anti surge protection and reverse polarity indicators heavy duty booster cables with insulated jaws dc power socket allows the running of 12v dc accessories to a maximum current of 15a rechargeable through a 230v ac supply or a 12v vehicle cigarette lighter socket display carton br br b conforms to