Maintenance and care tips for chargers in low-temperature environments

In low-temperature environments, the maintenance and care of chargers require special attention to temperature, charging efficiency, equipment protection and safety. The following are specific tips and analyses:

First, temperature control

Avoid low-temperature charging

Low temperatures can reduce battery activity, leading to a decline in charging efficiency or even failure to charge. It is recommended to move the charger indoors or in a warm environment (such as underground parking lots or enclosed garages), and wait until the temperature rises above 0℃ before operating.

For lithium iron phosphate batteries, if the ambient temperature is below -10℃, they need to be left to stand for more than 2 hours to allow the battery temperature to return to an appropriate range.

Prevent condensation due to temperature differences

When a charger is moved from a low-temperature environment to a high-temperature one, condensation may form inside, causing a short circuit in the circuit. It is recommended to let it stand until the temperature is consistent with the ambient temperature before use.

Second, optimization of charging efficiency

Extend the charging time

At low temperatures, the internal resistance of the battery increases and the charging efficiency decreases. The charging time should be appropriately extended to ensure the battery is fully charged.

Using a charger with temperature compensation function can automatically adjust the charging parameters and improve the charging effect at low temperatures.

Avoid overcharging

Battery capacity may decline in low-temperature environments, and overcharging can easily lead to battery aging. It is recommended to stop charging at 80%-90% to avoid full charging.

Third, equipment protection

Check the interfaces and cables

Low temperatures may cause interfaces or cables to become brittle and prone to breakage. Before use, check whether the interface is dry, free of snow or ice, and whether the cable is undamaged.

After charging is completed, clean the water stains or debris on the interface in time to prevent corrosion.

Moisture-proof and moisture-proof

In a low-temperature environment, humidity may increase, causing an internal short circuit in the charger. Avoid charging in damp environments (such as snow or rainy days). Use a waterproof cover if necessary.

Fourth, Safety

Ventilation and Fire Prevention

The charger may overheat due to poor heat dissipation in a low-temperature environment. Ensure that the charging environment is well-ventilated and kept away from flammable materials.

Avoid charging in enclosed Spaces such as indoors and corridors to prevent fire risks.

Regular inspection and maintenance

Check the appearance, cables and interfaces of the charger every month to ensure there is no damage.

Chargers that have been stored for a long time need to be charged regularly (once every three months) to keep the battery active.

Fifth, special equipment precautionsCar battery charger

Before charging, check whether the electrolyte is frozen and whether the liquid level height is sufficient. Charging is strictly prohibited when it is frozen; otherwise, an explosion may occur.

During the charging process, measure the density of the electrolyte and the voltage every hour. Halve the current when the temperature exceeds 40℃, and stop immediately when it exceeds 45℃.

Outdoor power supply

Outdoor power supplies that are stored for a long time should be kept at 50% charge, charged once every three months, and stored in a dry and cool environment (with a temperature range of 0℃ to 40℃).

Avoid deep discharge at low temperatures. It is recommended to charge when the battery level is no less than 20%.

Sixth, operation norms

Connect the positive and negative poles correctly

Before charging, make sure the positive and negative poles of the vehicle or equipment are connected in reverse to avoid short circuits or damage to the equipment.

Use the original charger

Non-original chargers may not be able to adapt to low-temperature environments, resulting in low charging efficiency or safety hazards.

Avoid live operation

During the charging process, it is strictly prohibited to unplug or plug in the equipment. After charging is completed, disconnect the power supply first and then unplug the gun.