Maintenance of power type batteries for electric forklifts

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Published by NEWTON November 14,2025

electric forklifts

1、 Maintenance of power type batteries for Jiangsu Taixing New Newton electric forklifts. The maintenance of power type batteries is basically the same as that of starting type batteries. In order to keep the batteries in good condition and extend their service life, special attention should be paid to the following aspects during battery use. When disassembling and handling batteries, precautions should be taken, and the batteries should be securely fixed on the vehicle@ The electrolyte should be pure to prevent dust from entering the interior of the battery. The dust and dirt on the surface of the battery should be regularly wiped off, and the vent hole of the liquid filling port should be kept unobstructed; 3. Timely remove corrosion from wire joints and pole posts, and tighten the joints; 4. Regularly check the density and liquid level of the electrolyte, and regularly check the discharge degree of the battery. Discharge in summer should not exceed 50%, and discharge in winter should not exceed 25%; Otherwise, supplementary charging should be carried out in a timely manner. The specific maintenance methods are shown in the table below:

Regular maintenance schedule for power type batteries

Maintenance project	Maintenance content	tool	Every day (8 hours)	weekly (50 hours)	monthly (200 hours)	3 months (600 hours)	6 months (1200 hours)
move power type Storage electric pool	Electrolyte level	visualization		0	0	0	0
	Specific gravity of electrolyte	Hydrometer		0	0	0	0
	Battery level		0	0	0	0	0
	Is the wiring terminal loose		0	0	0	0	0
	Is the connecting wire loose		0	0	0	0	0
	Battery surface cleaning		0	0	0	0	0
	Is the ventilation cover tightened, Is the ventilation opening unobstructed			0	0	0	0
	Stay away from fireworks		0	0	0	0	0
Note: "0" in the table represents inspection, correction, and adjustment.

2、 Diagnosis of common faults in the power type battery of Jiangsu Taixing New Newton electric forklift. The common fault diagnosis of power type batteries is shown in the table below:

Diagnosis of common faults in power type batteries

Fault phenomenon	Fault characteristics	Fault cause	Diagnostic measures
Reduced capacity	Unable to reach rated capacity or insufficient capacity	Insufficient charging or recharge after use	Balanced charging and improved operation methods
		Low electrolyte density	Adjusting electrolyte density
		External wiring is blocked and has high resistance	Streamline external wiring and reduce resistance
	Gradually decreasing capacity	Severe vulcanization of the electrode plate	Repeated charging to eliminate plate sulfation
		Electrolyte has impurities	Check the electrolyte and replace it if necessary
		Local short circuit of battery	Repair or replace
	Sudden decrease in capacity	Short circuit inside or outside the battery	Check the cause and eliminate it
Voltage abnormal	The voltage of the battery is too high during charging, and the voltage drops quickly during discharge	Plate sulfation	Eliminating plate sulfation
Voltage abnormal	The open circuit voltage of the battery significantly decreases during use	Reverse polarity or short circuit	Check the voltage of the individual battery
give off steam abnormal	At the end of battery charging, there is no or little gas flow	Charging current too low or battery charging insufficient	Adjust the charging current and continue charging
	Does not emit gas after charging the battery	Short circuit inside the battery	Check and eliminate
	The battery deflates too early and has large bubbles during charging	Plate sulfation	Eliminating plate sulfation
	The battery emits gas during placement or discharge	Discharge immediately after charging or impurities in the electrolyte	Leave it for about an hour to discharge or replace the electrolyte
High electrolyte temperature	Abnormal increase in liquid temperature during normal charging	Excessive current or internal short circuit during charging	Adjust charging current or eliminate short circuits
High electrolyte temperature	Individual electrical temperatures are higher than usual	Plate sulfation	Eliminating plate sulfation
Abnormal electrolyte density and color	The density of the battery increases little or remains unchanged during charging	Plate sulfation	Eliminating plate sulfation
	After charging and discharging the battery, the density decreases significantly during storage	Battery self-discharge is serious	Replace the electrolyte
	The color and odor of the electrolyte are abnormal, and there are turbid deposits	The electrolyte is impure and the active substance falls off	Replace the electrolyte and rinse the inside of the battery

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