Battery (Lead-acid)

Kawinthip Rahaeng
4 days ago
4 min read

The lead–acid battery was invented in 1859 by the French physicist Gaston Plante. It is the oldest type of rechargeable battery, and has a very low energy-to-weight ratio and a low energy-to-volume ratio, but a relatively high power-to-weight ratio, meaning it can deliver high surge current. These properties, combined with its relatively low cost, make it attractive for use in engines that require high current for ignition.

Because it is relatively inexpensive compared to modern technology, it is widely used, although high surge current is no longer necessary and other designs require higher energy density. Large-format lead–acid designs are widely used for storage in mobile power stations, high availability operations such as hospitals, and stand-alone power systems. For these roles, modified versions of standard cells may be used to improve storage times and reduce maintenance requirements. "Gel-cells" and "absorbed glass-mat" batteries are commonly used in these roles, and together these batteries are referred to as valve-regulated lead-acid.

LION Q1 EV Specification/ข้อมูลเฉพาะ แบตเตอรี่ : Lead-acid 72V20AH 1000W ความเร็วสูงสุด : 70KM/H ขนาดรถ : 600x1700x1350MM รับน้ำหนักได้สูงสุด : 150 KG น้ำหนักรถรวมแบตเตอรี่ : 116KG ราคา 35,500 บาท (จดทะเบียนได้)

Lead-acid batteries are batteries that have been developed and are currently popular.

Advantages of lead-acid batteries

Cheap and convenient to use

Durable This type of battery is highly durable and has a long service life. It is highly resistant to vibration and shock.

No noise disturbances With the working system, this type of battery does not produce loud noises, which reduces noise and air pollution.

Easy to maintain Because there are few maintenance steps, it is not complicated. For example, if it is a car, just add distilled water to the appropriate level, which is enough.

Safe

Disadvantages of lead-acid batteries

Relatively slow battery charging. Charging lead-acid batteries usually takes a long time to fully charge the battery.

Cannot use electricity equal to the total battery capacity

LION Q2 EV Specification/ข้อมูลเฉพาะ แบตเตอรี่ : Lead-acid 72V20AH 800W ความเร็วสูงสุด : 70KM/H ขนาดรถ : 680x1800x1350MM รับน้ำหนักได้สูงสุด : 150 KG น้ำหนักรถรวมแบตเตอรี่ : 114KG ราคา34,500บาท (จดทะเบียนได้)

Lead acid battery maintenance

Always check the condition of the external battery, such as whether there are any cracks in the battery, the battery handle must be in good condition, not broken, the battery terminals must not be bent, and all 6 battery caps must be closed.

Check the acid level to be within the normal range. If it is lower than the specified level, use distilled water to refill it. Checking should be done at least once a month. If the acid is not taken care of and the acid dries up, it will damage the positive and negative plates inside. The battery will have a shorter lifespan or may not be usable at all if the acid is left to dry for a long time.

If there is salt deposits on the battery, such as the battery terminals, the positive terminals, the negative terminals, or the battery clamp, use hot water to pour over the salt deposits. When the salt deposits meet the hot water, they will dissolve.

After pouring hot water, use 150-grit sandpaper to rub the positive and negative terminals. Then use grease or Vaseline to apply to the battery terminals and the battery clamp to prevent salt deposits from forming again.

The charger should be checked every 30,000 kilometers or every year. Checking the charger will let us know if the charger is normal or not. If the charger is abnormal, it will shorten the battery life. In the standard charger measurement, the value is measured in volts. For example, if the value is 13.2-14.6 volts, it is considered normal. If it is 12.1-12.9 volts, it means that the charger is too low or the charger may not work, which will cause the battery to run out. However, if the value is 14.7-15.0 volts, it may mean that the charger is charging too hard or overcharging, which will cause the battery to overheat. The acid in the battery will dry faster than normal and cause the battery to swell. The charger should be inspected and repaired as soon as possible.

Use a clean cloth to wipe the battery dry and clean at all times. If acid stains are found on the battery, it is possible that the battery is cracked or the battery is deteriorated. The battery should be replaced.

The lifespan of lead-acid batteries is generally considered to be more durable than all types of batteries. The average lifespan is about 2-3 years. It should not be longer than this. It should be changed according to the battery's lifespan. However, the battery life may be less than the above, depending on the care and usage. Maintaining the battery according to the specified criteria will help the battery last longer.

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