Description: What are the perks of a lithium ATV & UTV batteries over a lead acid variety? First, a lithium battery for ATV and UTV vehicles offers superior power capacity, and they can be discharged up to 100%, which means more hours on the job or trail. ATV lithium battery models are also extremely light, so racers and anyone looking to cut vehicle weight should opt for one. The typical lithium lifespan also beats out other batteries, as they can last up to 10 years with proper care.