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I firmly believe the Walmart 3-year ones can be pushed to 5 years or so. This by adding an anti-shock/vibe mat below them and also periodic trickle charge and use of de-sulfation additive (e.g. Charge-It brand) even to the supposedly "sealed maintenance free" ones. I have used a hair dryer to...

I have an older Schumacher 12V [2/12A] automatic charger with metal frame and casing. It has a mode switch for Regular vs. Deep Cycle. Questions: 1. What will happen if i use Regular mode on a FLA Marine battery? Will this undercharge it? 2. What will happen if i use Deep Cycle mode on a FLA...

I bought a new 2025 Honda Civic Sport Hybrid. Area of use is PA & NJ (thus not the frigid northern climates). A few questions: Oil - Any benefit of using the heavier oil 5W20 (vs. 0w20) in the late spring, summer, early fall? Fuel - Any benefit of running E15 (88 octane) gas in it...