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Differences between lead-acid and lithium electric forklifts

  • 2023-07-14
Firstly, let's understand the structure of lithium-ion and lead-acid batteries:
Lithium-ion battery is a kind of secondary battery (rechargeable battery), which mainly relies on the movement of lithium ions between the positive and negative electrodes to work. During the charging and discharging process, Li+ goes back and forth between the two electrodes for embedding and de-embedding: when charging, Li+ is de-embedded from the positive electrode and embedded in the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true when discharging.
Lead-acid battery (VRLA), is a kind of battery whose electrodes are mainly made of lead and its oxides, and the electrolyte is sulfuric acid solution. Lead-acid battery discharge state, the main component of the positive electrode is lead dioxide, the main component of the negative electrode is lead; charging state, the main component of the positive and negative electrodes are lead sulfate.

Therefore, electric forklift lithium-ion and lead-acid batteries have the following differences:

1, lithium-ion battery pack with intelligent lithium-ion battery management and protection circuit - BMS, can effectively low battery power, short circuit, overcharge, high temperature and other faults automatically cut off the main circuit, and can be sound and light alarm, the traditional lead-acid batteries do not have the above features;
2, lithium-ion batteries only the same capacity of lead-acid batteries 1/4 heavy, the volume is only the same capacity of lead-acid batteries 1 / 3, which brings the vehicle under the same amount of power can run the mileage increased by more than 20%;
3, safety point of view: lithium-ion batteries than lead-acid batteries are much inferior, if overcharging then it may explode. And lithium-ion batteries if the waste can not be recycled like lead-acid batteries, the price is much more expensive than lead-acid batteries;
4, service life: the current lead-acid battery life of about 2 years, the cycle of charging and discharging is generally 300 times, while the lithium-ion battery cycle of charging and discharging more than 500 times, the general life expectancy of more than 3 years, there are lithium-ion battery manufacturers put forward a 3-year warranty;
5, cost level: lead-acid batteries have more advantages. Because the general price of lithium-ion batteries for lead-acid batteries 2-3 times, which means that if you choose a new lithium-ion battery, the cost will be greatly increased, while the lead-acid battery is relatively affordable. In addition, lithium-ion batteries are not easy to be recycled, and recycling costs are low, while lead-acid batteries can be recycled, disassembled and reused, recycling costs are higher.
6, maintenance: electric forklift lithium-ion batteries also have a great advantage over lead-acid batteries. After the box, lithium-ion batteries no longer have to add water and other operations, while the battery should be regularly water, charging and discharging operations, more trouble. Lithium-ion batteries also have constant-time active active equalisation technology, reducing the work content and management costs of maintenance personnel and managers. It is reported that the discharge rate of lithium-ion batteries can also reach more than 95 per cent only, so, also in this regard, greatly guarantee the efficiency of the operator.
Based on these characteristics, it is possible to choose between lithium-ion and lead-acid forklift trucks according to one's needs and priorities.

Recently, Hifoune has provided Russian dealers with electric forklift trucks with cabs, which are widely used in Russia due to the cold winters in the country, and the electric forklift trucks with cabs can be used to avoid the summer heat as well as to resist the cold. Come to Hifone to customise a forklift of your own!

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