SOS Boosters - The most powerful battery booster packs on the market. Suitable for the garage, workshop or recovery operator, with battery boosters available for cars, vans, lorries, trucks, buses, quarry/plant machinery, aeroplanes and trains. You name it we have battery jump starters that will do the job. Choose SOS booster packs for top performance and complete reliability. Choose SOS when you need an emergency power pack to work 100% of the time.