The Tornado1200 is a 6V & 12V Lead-Acid Battery and Lithium-Ion Battery charger. This versatile all-in-one product features a battery maintainer, trickle charger, and battery desulfator. This low-cost device will give you the best possible maintenance technology for your battery. The Tornado1200 offers multi-step protection for small and large batteries even in cold temperatures and a rugged, water-resistant enclosure. These features make this a durable battery charger that will last longer and save you money in the long run.