OFF Switch cuts power to Booster Cables preventing accidental shocks, until the booster clips are fitted correctly. Then select correct voltage 12v or 24v for the battery being used to begin the jumpstart. 12v/24v Charging Adaptor and Home 230/240v AC Charging Adaptor Included.RoHS Compliant & CE Approved. Internal 44Ah Battery (2 x 22Ah), 12v: 2500 Peak Amps, 24v: 1200 Peak Amps. LED Warning Lights for Reverse Polarity, Battery Charge Level & Full Charge. Please Note: All brands of Jump starters can only jump start a vehicle with weak battery and in case if battery is totally flat or dead, these power packs may not be able to jump start everything. The main purpose is to assist in jump start if battery does not have enough power to start the engine. This product is supplied with a minimal charge at manufacture, it is unable to function in any way unless the unit is fully charged over a 48 hour period, This is essential before any use. All Units Are Checked and Tested Before Dispatch. Please see our about me page for info about us and our terms and conditions etc. We are part of an internet based company so apologies but strictly no personal callers. Please note that for HIGHLANDS and ISLANDS and the above postcodes this courier option may take longer than the stated 24 hours. Larger items will be by courier. Please follow all safety requirements with product. Please use calibrated equipment only to test tires etc on a regular basis. See'ME' page for full terms and conditions. The item "Battery Jump Start Heavy Duty 12v Car 24v Truck Portable Power Pack Station 17KG" is in sale since Tuesday, January 15, 2019. This item is in the category "Vehicle Parts & Accessories\Garage Equipment & Tools\Battery Testers & Chargers\Other Battery Equipment". The seller is "ingear-uk_01952_770080" and is located in Shrewsbury. This item can be shipped to United Kingdom.