After a long period of continuous high productivity operation, forklifts may show some signs such as overheating, worn terminals, and batteries not fully charging. At this time, you should check, maintain the forklift and its battery, and promptly carry out forklift battery repair.
Why is it necessary to restore and repair forklift batteries?
If forklift batteries are not restored and maintained in time, they will become damaged, affecting the entire work process and causing extra costs to replace with new batteries.
Therefore, when forklift batteries have issues or do not work as before, drivers should check the forklift before use. Avoid the situation where the damage is too severe before repair, which increases repair costs.

Common issues when using forklift batteries
When you notice the following signs, you need to check your forklift immediately:
- Forklift batteries show signs of wear and damage on the outside, causing loud noises during operation.
- Reduced performance, reduced maximum vehicle speed.
- The car display is blurry.
- The power quickly lost power while working, the acid inside spilled out.
- Sulfated battery
- Machine starts weak and slow
- Turn signal is dim, relay does not disconnect
Some basic issues need to be checked before repairing forklift battery
- Check the battery for blisters?
- Are the terminals at the connections warped, corroded or rusted?
- What is the electrolyte level?
- What is the density of the electrolyte in a battery?
Instructions for checking the battery before repair
When you detect some signs of a weak forklift, you can check it yourself. If you still cannot fix it, you should immediately contact the hotline 1800 9257 for support from Tin Quang.
Step 1: Discharge the battery. Use a load to discharge at a rate of 1/10 of the battery capacity. Then monitor the voltage of each battery. Note that this is necessary to achieve the highest efficiency in repairing forklift batteries.
Step 2: Group the battery compartments. Any compartment with 10% to 15% capacity cannot be repaired. A capacity of 30-40% can be cleaned without needing to be replaced.
Step 3: Check everything after performing the above 2 steps. Check the entire forklift again, if it still does not meet the load requirements, you should seek the support of a professional unit.
Benefits of restoring forklift batteries with Tin Quang Group
- Save a lot of money
- Battery quality after recovery ranges from 80 – 100%.
- Extend battery life from 3 to 5 years
- Long term warranty
- Fast recovery time: 5 – 7 days

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