The Wagan Tech 1.5A Intelligent Battery Charger is ideal for maintaining your 12V battery. Such applications include ATVs, snowmobiles, motorcycles, watercraft, trailers, RVs, ride-on lawnmowers, tractors, classic cars, auxiliary batteries, backup power supplies, solar batteries, and more! And if your battery is healthy, this intelligent battery charger helps to maintain your battery and keep it in an optimal operating condition which saves you money in the long run. Whether you're using this battery charger on your daily driver or a stored vehicle, you don't have to worry about overcharging or damaging your battery. This charger automatically detects the battery and its needs, then applies the optimal charge current. Batteries need to be maintained at 100% capacity for maximum battery life! This 12V battery charger is compact and fully automatic.