Interstate website's FAQ sections says the following:
Who charges their battery after each use? Who checks the water level every month? I thought all batteries these days were maintenance free. Wrong. Mine was less than 1 year old and it died, probably because it sat idle in the hot summer without being charged.
Lesson learned: if you want a truly maintenance free battery, it must be the AGM type. You don't have to add water and it can go much longer without a charge.
Walmart Platinum AGM comes with a 5 year full replacement coverage (not prorated) and it includes installation. Even the Optima warranties aren't that good.
- Conventional deep-cycle batteries do require regular watering to keep them working properly. Check water levels every 4-6 weeks.
- Undercharging: This will cause the battery to be sulfated. Fully charge batteries after use.
Who charges their battery after each use? Who checks the water level every month? I thought all batteries these days were maintenance free. Wrong. Mine was less than 1 year old and it died, probably because it sat idle in the hot summer without being charged.
Lesson learned: if you want a truly maintenance free battery, it must be the AGM type. You don't have to add water and it can go much longer without a charge.
Walmart Platinum AGM comes with a 5 year full replacement coverage (not prorated) and it includes installation. Even the Optima warranties aren't that good.
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