What are the advantages of lithium battery forklifts and lead-acid battery forklifts?

What are the advantages of lithium battery forklifts and lead-acid battery forklifts? Lithium batteries have a wide range of applications, in addition to automotive electric vehicles, UPS power supply, energy storage, computer room communications, forklifts, towers, base stations and other scenarios can be applied. Compared with lead-acid batteries, the advantages of using lithium batteries on forklifts are more obvious. In the advancement of forklift electrification, lithium batteries are becoming the biggest competitor of traditional lead-acid batteries.

What are the advantages of lithium battery forklifts and lead-acid battery forklifts?

At present, most lithium battery vehicles are used in commuter vehicles, electric maintenance vehicles, sanitation cleaning vehicles and short-distance buses. However, since most of the forklifts operate in the factory area, the work intensity and environment are fixed, and the work intensity is generally strong. Therefore, many advantages of lithium batteries can be reflected in electric forklifts.
1. Fast charging speed

Lithium batteries rely on their own chemical characteristics to meet the requirements of faster charging speed, and the charging time from 10% to 100% is only 2 hours. It takes 8-10h to charge lead-acid batteries from 20% to 100%.

2. No memory for charging

The forklift lithium battery has no memory for charging, which enables the battery to be charged randomly and intermittently without affecting its lifespan. Users can efficiently use work breaks and rest time to replenish power, which is convenient for users to coordinate their work. During the charging and discharging process, the energy loss of the lithium battery is small, and the rated output power is always maintained regardless of the remaining power of the lithium battery.

Lead-acid batteries have a charging memory, such as random or intermittent charging, which can seriously damage the battery and shorten battery life. The correct charging and discharging operation of lead-acid batteries is: 20%-100% full discharge, and regular equalization charging.

It is inconvenient for users to coordinate work.

3. Long service life

The lead-acid battery has an average cycle life of 1200 times (about 6000h operating time), and the lithium iron phosphate battery has a cycle life of 4000+ times (about 24000h operating time). In actual use, the lithium iron phosphate battery still has more than 65% capacity after 4000+ times of use, while the lead-acid battery has less than 50% capacity after 1200 times of use.

4. Wider discharge temperature range

Under the high temperature or low temperature between -20 degrees and 60 degrees, lithium batteries have good discharge performance. At -20 degrees, the discharge efficiency of lithium batteries is 80%~90%, while the discharge efficiency of lead-acid batteries is 80%~90%. The efficiency is less than 30%.

5. Improve operational efficiency

Lithium battery fast charging mode, 1-3 hours fast charging mode is suitable for multi-shift operations. It can be charged and used immediately, eliminating the time and safety risks of replacing the battery, and the power is stronger, which can completely replace the internal combustion forklift. The technology monitors the status of forklifts and batteries, and improves the management level of forklifts.

6. Lithium battery with special performance

Compared with lead-acid batteries, the use of lithium batteries in forklifts can also be used to change the formula to derive a variety of lithium batteries with special properties, providing a variety of power support for the innovative design of forklifts. If it can be made into a low-temperature lithium battery, its performance is beyond the reach of lead-acid batteries.

The development prospect of lithium battery in the field of forklift

Compared with traditional lead-acid batteries, lithium batteries have incomparable advantages, so their application in the forklift industry will definitely have a strong impact on the original forklift market. Development requires a forklift with short charging time, long use time, stable performance, high-intensity operation, and high degree of automation and intelligence. The emergence of lithium batteries has added a bright spot to the development of the forklift industry.

The rapid development of lithium battery forklifts depends on national policy orientation, market and social needs. At present, the overall technical level of domestic lithium-ion forklifts is not high. If related companies want to really get involved in this field, they must break through some technical bottlenecks, such as battery consistency and power management system (BMS) matching.

Driven by multiple factors such as the acceleration of the electrification trend of forklifts, the continuous decline in the price of power lithium batteries, and the increasingly strict supervision of the lead-acid industry, the penetration rate of lithium battery version forklifts in electric forklifts will exceed 55% in 2020, and its demand for lithium batteries It will increase from 1.3GWh in 2017 to 5.4GWh in 2020, with a compound annual growth rate of more than 50%. The market prospect of lithium battery forklift is huge.

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