How to Open a Car Battery Cover?

1 Answers
LeNolan
07/29/25 11:15pm
Currently, most car batteries in use are maintenance-free types, which are sealed and cannot be opened. Here is more information about maintenance-free batteries: 1. Maintenance-free batteries are constructed with lead-calcium alloy grids and are designed with the latest technology from the 1990s, featuring a fully sealed structure and modern production processes. 2. These batteries produce minimal water decomposition and evaporation during charging, release less sulfuric acid gas, do not require any liquid replenishment, and have a longer storage time. Compared to traditional batteries, they offer superior performance, require no maintenance, are safe and reliable, and have a longer service life. 3. The lifespan of a maintenance-free battery is twice that of a conventional battery. It continuously converts electrical and chemical energy during charging and discharging to provide power for the car, making it a secondary battery.
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