Keep the Auto XS Car Battery Charger to hand for when an emergency occurs. Perfect for keeping in your car for when you need it, this charger has all the features needed to keep your car battery full of life. Featuring a fully automatic microprocessor controlled charging, simple one-switch operation and a trickle charge function. This product is suitable for all 6V and 12V car and motorcycle batteries. It also benefits from an overheating and anti-polarity reversal function with a durable charging cable.