Lead-acid batteries, often used in vehicles and backup systems, require periodic maintenance to keep them functioning optimally.
One crucial part of this is refilling the electrolyte solution. Here’s a visual guide showing how to safely maintain and refill these batteries.
Safety First: Avoid Short Circuits
The first image shows an important safety reminder—never allow tools or wires to connect the battery terminals directly, as it can cause sparks or short circuits.
Always ensure tools are insulated and handle the battery carefully.
Ensure No Power Flow Before Starting
Before working on the battery, confirm that there’s no active power flow.
Disconnect the battery from any systems, and make sure there’s no risk of accidental contact with the terminals.
Opening the Battery Caps
Carefully remove the plastic or rubber cap covering the cell openings of the battery.
This gives access to the individual cells where electrolyte levels need to be checked and adjusted.
Preparing the Electrolyte Solution
In this case, a red liquid (likely a specialized electrolyte mix or battery acid indicator fluid) is being prepared in a syringe.
Be cautious when handling any acidic or chemical solutions—use gloves and eye protection.
Filling Each Cell with Electrolyte
Using a syringe, slowly and carefully fill each cell with the prepared electrolyte solution.
Ensure you do not overfill—stop when the liquid reaches the recommended level.
Closing the Cells Securely
Once all cells are filled, securely place the caps or plugs back on each cell.
This step ensures no leakage or contamination of the electrolyte.
Cleaning Excess and Final Checks
Wipe off any spills and double-check all caps are tightly sealed.
Clean the battery surface if needed to prevent corrosion.
Covering the Battery and Done!
Finally, replace any covers or protective layers over the battery cells.
The battery is now properly maintained and ready for use.
Important Notes:
- Always follow the manufacturer’s guidelines for battery maintenance.
- Wear protective gear when handling electrolyte solutions.
- Work in a well-ventilated area.
This process helps extend the life of the battery and ensures it performs efficiently.