In recent years, with the increasing severity of carbon emission requirements for off-road mobile machinery in various countries and the rapid advance of new energy skills, many construction machinery and equipment manufacturers have carried out relevant skills layout, and construction machinery electrification treatment solutions have been maturing.

In 2020, under the catalytic role of the extension of subsidies for new energy cars and the "power change mode" to become a new air outlet in shopping malls, the electrification of construction machinery has become the general trend of the occupation. For example: in May 2020, Sany Heavy Industry and Ningde Era signed a strategic cooperation agreement in Fujian, and the two sides opened close cooperation in the field of new energy construction machinery to promote the development of professional electrification of construction machinery.

Construction machinery refers to the mechanical equipment necessary for construction projects, road construction and maintenance, mobile lifting handling operations and comprehensive mechanized construction projects required by various construction projects, including excavators, loaders, graders, bulldozers, road rollers, pavers, car cranes, truck cranes and other eight categories of products.

At present, the policy is still the primary driving force for the electrification of construction machinery, and the "new infrastructure" and the state's extension of subsidies for new energy cars are the catalysts for professional bulking up. Local governments have increased their efforts to promote the occupational electrification of construction machinery, and in July 2019, the Shenzhen Municipal Bureau of Industry and Information Technology issued the "Action Plan for Promoting New energy engineering Vehicle Industry in Shenzhen (2019-2021)" (hereinafter referred to as the "Plan") to grasp the core skills of high-power charging of engineering vehicles and formulate relevant skills standards.

Overcome high-power charging pile and vehicle battery thermal management control skills, battery management safety skills, focus on dealing with the difficulties of engineering vehicle operation recharge, and improve vehicle operation power. This chapter will make a detailed analysis of the future trend of electrification of construction machinery. China's electric construction machinery occupation market scale and future lithium electrochemical space is very huge.

In 2019, driven by the demand for downstream infrastructure, the country's strengthening of environmental governance, the increase in demand for equipment renewal, and the effect of manual replacement, China's construction machinery sales reached 447,600 units, an increase of 11.31%.

In 2020, due to the impact of the COVID-19 epidemic, the Chinese government has issued a number of favorable policies for enterprises in order to overcome the bad luck brought by the epidemic. In addition, construction machinery is affected by the positive driving effect of equipment renewal, mechanical replacement effect and the continuous promotion of "two new and one heavy" construction. GGII estimates that the sales volume of construction machinery will reach 500,000 units in 2020, an increase of 11.7%. The market scale exceeds 700 billion yuan.

At present, the electrification of domestic construction machinery is still in its infancy, and with the continuous penetration of lithium construction machinery, GGII estimates that the demand for electric construction machinery will rise rapidly in the next five years. Because of the large power consumption of construction machinery, the average single lithium battery installed capacity will be about 5 times that of ordinary new energy cars, in 2025, according to 30% lithium penetration rate, it is estimated that the demand for lithium batteries is 30GWh, and the market prospects are huge.

At this stage, the lithium battery for domestic construction machinery is mainly based on the lithium iron phosphate skill road, and the lithium iron phosphate cycle life is long, the price is low, and the safety performance is relatively better, which is the development direction of the short and medium term lithium electric construction machinery with strong certainty. Now the occupation is still in the early stage of commercial market, does not constitute a stable market competition format, but the main manufacturers of construction machinery occupation are stronger, and priority is given to the layout of electrification. New energy construction machinery products leading enterprises include Sany Heavy Industry, Xugong Machinery, Zoomlion Heavy Industry, South China Heavy Industry, Liugong and so on.

At present, the top ten enterprises in the field of power batteries include Ningde Era, BYD, Guoxuan High-tech, Lishen, Yiwei Lithium Energy and AVIC Lithium Power, etc., of which Ningde Era and Bic Battery have carried out the layout of lithium battery skills for construction machinery.

The electric construction machinery market is still in the early stage of commercialization, the skill and capital threshold is high, and the economic charging treatment solution is the key point of concern for enterprises. Policy and performance are one of the driving forces for the electrification of construction machinery in the future. Future career development is greatly affected by policies, skill advancement, microeconomic fluctuations, etc., and practitioners need time to prepare for related risks and prepare for them.

Data size specification

● The data in this statement is updated to the end of 2019, and some data is updated to September 2020.

● The data in this presentation are mainly Chinese data, with a small amount of data from other parts of the world.

● Part of the data in this statement comes from field surveys and telephone surveys, and there may be some differences with the real data of enterprises and occupations.

The advantages of lithium iron phosphate batteries relative to other batteries, the batteries used in cars now have a big hit, that is, lithium iron phosphate batteries, the utilization rate of this battery is still relatively high, can be used so much, naturally has its advantages, let's see what are the advantages.

1. higher safety iron phosphate force completely solves the safety problem of lithium cobalt acid and lithium manganese acid, which is reflected in the chemical bond of phosphate is stronger than the traditional excessive metal oxide structure chemical bond, so the structure is more stable, and it is not easy to release oxygen.

2. the cycle life of the long-life lead-acid battery is about 300 times, the maximum is about 500 times, and the lithium iron phosphate power battery has a cycle life of more than 2,000 times, and the standard charge (0.2C.5 hours) can be used for 2,000 times. The same quality of lead-acid batteries are "new half a year, old half a year, repair and half a year", at most 1 to 1.5 years, and lithium iron phosphate batteries are used under the same conditions, the theoretical life will reach 7 to 8 years. Overall consideration, the performance price ratio is more than 4 times that of lead-acid batteries in theory. High current discharge can be high current 2C fast charge and discharge, under the special charger, 1.5C charging can be fully charged within 40 minutes, starting current up to 2C, and lead-acid batteries do not have this performance.

3. support for fast charging In the charging speed, lithium iron phosphate also has a greater advantage, support fast charging characteristics so that it can support 2C charging speed (C is the charging parameter, such as the capacity of 1000mAh cell, 2C current is 1000mAh*2=2000mAh). It can greatly shorten the charging time, and most power supplies on the market currently use 5V standard charging voltage, and the charging current is usually 0.2C.

Our Yuanjie power supply is professional, whether lead acid or lithium, lithium is also a hot.

There are many I will not give an example, we according to the different requirements of customers to design suitable lithium batteries, counterweight, voltage, capacity and so on can be customized according to customer needs.

We have been focusing on the development and production of electric forklift lead-acid batteries and lithium batteries, and have rich experience to solve different battery problems of customers.

As battery technology becomes more integrated into industrial and material handling enterprises, electric forklifts are no longer just a hot trend, but a routine way of production and logistics. Today, there is a large number of electric forklifts available that enable users to do more work with less power while promoting sustainability in demanding environments. There are many benefits to owning one of these cutting-edge devices. The following are four kinds of electric forklifts. Here are the four main ways electric forklifts enhance material handling operations:

1) Reduce fuel related costs

First, electric forklifts can help any car owner save money in advance. This is largely due to lower fuel costs through natural gas independence. Many forklift manufacturers offer EPA-approved all-electric and hybrid LPG and diesel engines that have been proven to increase the money of those investing in these equipment. Certified by many industry leaders and recognized worldwide by many leaders in environmental science and occupational safety, these vehicles are an environmentally friendly choice that has caused quite a stir. While pneumatic forklifts typically need to be used in ventilated areas, electric forklifts produce no emissions, again reducing EPA sanctions for violations of implementation standards.

2) Reduce maintenance costs

Electric forklifts don't get their power from conventional gas combustion, so they don't require many of the parts you find in a typical engine. These vehicles do not require oil, pistons, spark plugs, belts or catalytic converters. With time, use, and resulting wear and tear, these products are destined to lose their function, fail completely, and need to be replaced. If the electric forklift does not use these components or products, less maintenance is required. These devices are out of service for less time and run longer. As a result, electric forklifts are less likely to be found at repair centers and save owners thousands in corrective and preventative maintenance costs.

3) Total trust

Electric forklifts can handle any job, and typical pneumatic forklifts can do the job. Many electric forklifts can lift up to 3,500 pounds of cargo and are ergonomically designed to handle discrete and complex material handling applications and scenarios. Just like pneumatic forklifts, electric forklifts come in all shapes and sizes. Various examples of these machines include three-wheel counterweights, four-wheel counterweights, racks, standing and sitting truck forklifts. In addition, electric forklifts are also suitable for narrow channels, heavy duty operations and rugged terrain varieties. Indoor and outdoor, rain or shine, there is no electric forklift can not complete the project. In addition, electric forklifts typically have a smaller turning radius, making maneuverability easier.

4) Longer lasting

Compared to petroleum-powered material handling equipment, electric forklifts may have a longer service life. Combining durability, efficiency and technological innovation, electric forklifts are built for long distances. According to the Fork Center, electric forklifts offer owners a lower cost of ownership. When you multiply these reductions over a longer period of time, the savings grow exponentially. As a result, these funds can now be used for other aspects of material handling efforts, once again optimizing and enhancing these day-to-day initiatives.

The company is committed to the research and development and production of lithium batteries and lead-acid batteries for forklifts, in order to promote the development of new energy, welcome new and old customers to inquire about the price.

Forklift truck, also known as fork loading truck, also known as forklift, refers to the loading and unloading of pallet goods, stacking and short-distance transportation, heavy lifting operations of various wheeled handling vehicles. Car first appeared in the early 20th century, was used for war material handling, developed rapidly after the Second World War, and has moved to serialization, standardized production, most of the material handling enterprises in developed countries has been out of the original manual handling, replaced by forklift based industrial vehicle mechanized handling, in recent years, electrification, driverless progress is significant, In the future, with the rise of labor costs, the demand for automation to replace labor increases, and the penetration rate of forklifts is expected to further increase.

The following is the classification of forklift trucks in China

In 2021, the sales volume of forklift trucks in China is 1.099,000 units, the sales volume of Class I vehicles is 113,000 units (lithium electrochemical rate of 42.8%), the sales volume of Class II vehicles is 16,000 units (lithium electrochemical rate of 18.3%), and the sales volume of Class III vehicles is 529,000 units (lithium electrochemical rate of 63.7%). IV&V cars sold 442,000 units

Lithium battery with its high energy density, small size, maintenance-free, fast charging, long service life and many other advantages, in the global forklift industry has been widely used, China's lithium battery forklift penetration rate continues to increase, in 2021 lithium electric walking storage forklift in the total sales of lithium electric forklift accounted for as high as 85%. In 2021, the total sales volume of lithium electric forklifts in China reached 333,000 units, an increase of 106.3%.

However, at present, most electric forklifts are equipped with lead-acid batteries, and lead-acid batteries with rich liquid opening will have water loss and acid overflow during use, and need to often supplement distilled water, and there are also shortcomings of long charging time, short life, and low energy density. The use of forklifts is basically in a fixed small range, for example, large logistics warehouses are indoor application scenarios, zero noise and low emissions requirements are higher; In addition, in the indoor environment, the working distance of the forklift is shorter, and the battery mileage is not so strict, which greatly reduces the battery cost. The following is a comparison of lead-acid batteries and lithium batteries:

According to the comparison, the demand for lithium batteries will gradually increase, according to the development trend of the country is definitely to safety and environmental protection, and lithium batteries are just in line.

In terms of electrification and low-carbon development, Yuanjie power technology focuses on the research and development of lithium batteries, and has applied tens of thousands of cases of zero failure and zero maintenance over the years to provide customers with professional technical services for lithium batteries, and has become one of the important forklift lithium battery manufacturers in the industry. In the field of lithium battery technology is relatively mature. Yuanjie power forklift lithium battery passed 9 environmental tests and life tests, in line with Chinese GB standard, British BS standard, German DIN standard, but also in line with DIN/EN60254-2 and IEC60254-2 standards.

Under the current situation of advocating energy conservation and environmental protection, the coverage of electric forklifts is more and more widespread. For the use of traditional forklifts, electric forklifts have the characteristics of quiet, no pollution, low cost of use, long service life, less maintenance and so on. Due to the many advantages of lithium batteries, the current forklift market has begun to gradually replace lead-acid batteries with lithium batteries.

It should be emphasized that lithium-ion batteries and lead-acid batteries are two different systems of power batteries, and the battery principle is very different. The change of lead-acid battery forklift truck to lithium-electric forklift truck is not a simple battery replacement, but involves a complete set of system matching and technical support.

At present, the overall technical level of domestic forklift lithium battery is not high. In order to really in-depth in this field, we must break through some technical bottlenecks, such as the consistency of the battery, the match of the power management system (BMS), etc., which is also a problem that users must consider when purchasing forklift lithium batteries.

The consistency of lithium batteries

Power traction battery products, especially lithium batteries, need to have high consistency in order to achieve safety, high energy density and better high and low temperature performance. It is understood that at present, the battery production base of Yuanjie power uses imported fully automated production lines, which have the characteristics of high precision, high speed, high intelligence, etc., to ensure the precision control of intelligent automation in the battery production process and ensure the consistency requirements of battery production.

Power management system (BMS) compatibility

As an electronic component of real-time monitoring, automatic balancing and intelligent charging and discharging, the battery management system plays an important role in ensuring safety, extending life, estimating remaining power and other important functions, and is an indispensable part of the power and energy storage battery pack. It ensures the safe and normal operation of the battery and vehicle through a series of management and control.

Yuanjie power technology team independently developed, leading domestic lithium battery BMS system, over the years the application of tens of thousands of cases of zero fault zero maintenance, to provide customers with lithium battery professional technical services, has become one of the industry's important forklift lithium battery manufacturers.

Safety of lithium batteries

The safety of lithium batteries is high, as long as it is not used under extreme conditions, there is no problem without continuous fire and puncture. However, even if the technical level of lithium batteries is high, there will be small safety risks. So in the choice of forklift lithium battery must look for the brand, most of the current domestic brands are not formal qualifications, although the price is relatively cheap, but the after-sales is often not guaranteed.

Yuanjie power forklift lithium battery passed 9 environmental tests and life tests, in line with Chinese GB standard, British BS standard, German DIN standard, but also in line with DIN/EN60254-2 and IEC60254-2 standards.