All of the automotive cranking batteries that Interstate carries are considered to be maintenance-free under normal conditions. ... Conventional deep-cycle batteries do require regular watering to keep them working properly. Check water levels every 4-6 weeks.

Are Interstate batteries sealed or flooded?

Interstate also offers sealed lead-acid batteries, which are maintenance-free.

Do no maintenance batteries need water?

No. It simply means that you do not need to add water to it on a regular basis. The batteries of only 20 years ago required water to be added on a regular basis. If you have a problem with your maintenance-free battery, it can be tested to determine if it can be reconditioned or replaced.