How to Open a Maintenance-Free Battery Cover?

1 Answers
DiEllie
07/30/25 6:57am
Maintenance-free battery covers cannot be opened. If you need to open it, you must use tools to break the cover. Due to structural advantages, maintenance-free batteries consume very little electrolyte and basically do not require distilled water replenishment during their service life. They also feature shock resistance, high-temperature resistance, compact size, and low self-discharge. Car batteries, also known as storage batteries, work by converting chemical energy into electrical energy. Batteries are categorized into conventional lead-acid batteries, dry-charged batteries, and maintenance-free batteries. The commonly referred-to car battery is a lead-acid battery, with a typical lifespan ranging from 1 to 8 years, largely depending on the vehicle's condition.
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