From April 18 to 21, 2024, our company participated in the second phase of the Global Sources Hong Kong Exhibition held at AsiaWorld-Expo in Hong Kong, and once again set foot on the stage of the Global Sources Hong Kong Exhibition to explore the frontier of new energy with global merchants. Compared with last year's autumn exhibition, this year's exhibition attracted more merchants, especially the increase in European and American merchants.

Compared with previous years, the number of merchants from Europe and the United States has increased significantly this year. Not only that, there are still a large number of exhibitors from Asia, and buyers from Europe such as Germany and South Africa are coming one after another. It was a pleasure to negotiate with these customers, and we felt the resonance and potential for cooperation during the exchanges.

During the exhibition, we fully demonstrated the unique charm of our products: rack-mounted energy storage, wall-mounted energy storage, portable energy storage and other new energy products, attracting the attention of many customers. Our products not only reach the industry-leading level in performance, but also meet the needs of different customer groups in terms of design and functionality.

Through in-depth exchanges with customers from different countries and regions, we have a deeper understanding of the needs and trends of local markets, which has pointed out the direction for our future development. The successful holding of the exhibition not only demonstrated our company's strength in the field of new energy, but also laid a solid foundation for us to work hand in hand with global merchants to create a better future.

Wall mounted energy storage batteries are a well-designed and easy to install battery energy storage system, typically installed on walls or other vertical surfaces. They are widely used in household, commercial, and industrial scenarios to store electrical energy for daily use or backup power supply.

The main function of wall mounted energy storage batteries is to store and release electrical energy in the energy storage system. They are usually connected to solar photovoltaic systems, wind energy systems, or the power grid, and can store renewable energy electricity during charging and supply electricity when needed. This enables users to better utilize renewable energy, reduce grid dependence, reduce energy costs, and provide backup power in the event of power outages.

The capacity and performance of wall mounted energy storage batteries depend on the selected model and capacity. Our spot capacity is 5kw, 10kw, 20kw, and other customized capacities. They are usually based on lithium-ion battery technology, as lithium-ion batteries have advantages such as high energy density, long lifespan, and low self-discharge rate. These battery systems are also equipped with a Battery Management System (BMS) to monitor and control the charging and discharging process of the battery, ensuring its safety and performance.

The product is compatible with the communication connection of multiple brands of on-grid and off-grid inverters, providing users with a wider range of supporting options. Get more details from https://www.zhceenergy.com.

When choosing the right solar energy storage system for you, there are several factors to consider. Energy storage systems not only help you store and manage energy, but also reduce your energy bills. In the blog below, we'll explore how to choose the energy storage system that's right for you.

♦ Energy demand

First, you need to consider the energy needs of your home or office. By knowing your monthly electricity usage, power consumption, and off-peak/peak electricity prices, you can determine how much storage capacity you need.

♦ Renewable Energy

Energy storage systems are often used in conjunction with renewable energy systems. If you already have solar panels or a small wind turbine installed in your home or office, then you need to choose an energy storage system to go with it. Different energy storage systems have different charge and discharge rates, so you need to choose one that will provide the maximum utilization for your solar or small wind system in daily use.

♦ System Reliability

Energy storage systems need to have stable performance and long life. You need to choose a reliable energy storage system to guarantee the stable power consumption of your home or office. In addition, you need to know whether the energy storage equipment can be automatically monitored and maintained to ensure its reliability.

♦ Safety

Energy storage systems need to meet standards in terms of safety. You need to choose an energy storage system that can operate in different environments without posing any threat to you, your family or employees. In addition, you need to understand emergency safety measures such as short-circuit protection, over-voltage protection, and over-temperature protection of the energy storage system.

♦ Cost

Finally, you need to consider the cost of the energy storage system. Consider the initial cost, operating and maintenance costs, and long-term payback of an energy storage system. While understanding cost is important, don't compromise safety, reliability, and quality for a low-priced energy storage system.

Therefore, choosing an energy storage system that suits you needs to comprehensively consider all the above important factors. Choosing the right energy storage system will add more value to your home or business and contribute to a more sustainable future.

Zhuhai Changing Energy Technology CO.,Ltd provide various types of the ESS with complete product quality certificate & capacity for clients ,the capacity from 5.12kwh to 50.12kwh with the type for Wall-mounted, Vertical and Stackable ,the latter two types are built-in solar inverter types we called it all in one solar system and this configuration greatly enhances the user experience.

Please feel free to contact us for further information.

The installation characteristics of rack mounted batteries in Australia reflect some of the conditions and needs of the region:

1. Installation location selection: Australian rack batteries are usually installed on the roof or on the ground on the support structure. Due to Australia's abundant sunshine resources, rooftop installation is the most common option, as it makes full use of solar energy.

2. Sun protection and windproof design: Australia's climate is hot, and sometimes there are strong winds. Therefore, the installation of rack batteries needs to take these factors into account. Installation location can be selected in the indoor area, the Rack 48v battery pack is a cabinet form, easy to move.

3. Ventilation and heat dissipation: rack-mounted batteries will generate a certain amount of heat during operation, so good ventilation and heat dissipation design is required to ensure that the battery does not overheat. The installation should follow the relevant safety specifications and requirements to ensure that the battery can get proper air flow and heat dissipation.

4. Safety considerations: Australia has strict safety standards and regulations, and has corresponding requirements for the installation of battery systems. The battery should be installed in a protective cover made of fireproof materials to prevent dangerous wires, and the connectors of these products need to use materials that meet national safety standards.

5. Easy maintenance and overhaul: Rack mounted battery installation should take into account the factors of easy maintenance and overhaul. The installation location should be selected so that service personnel can easily access the battery system for routine maintenance and troubleshooting.

It should be noted that before the installation, please consult us in time, we can provide you with online service guidance, so that you can safely use our battery products.

The following are common application scenarios:

Camping and wilderness exploration: In outdoor activities, portable energy storage devices such as portable power stations, mobile power supplies, and portable lithium batteries can bring great convenience to camping. They can be used to provide power for tents, lighting fixtures, charging devices, and other electronic devices, ensuring energy demand in outdoor environments.

Hiking and Hiking: During hiking and hiking, portable energy storage devices are crucial for powering mobile phones, navigation devices, lighting tools, and emergency communication. Portable solar chargers and portable mobile power sources can charge these devices, maintaining convenience in connectivity, safety, and lighting.

High mountain climbing and mountain exploration: Mountaineering activities are usually carried out in remote areas without power, and portable energy storage devices play a crucial role in these situations. Lightweight lithium battery packs can provide reliable power for mountaineering equipment, GPS navigation, communication equipment, and lighting tools.

Long distance cycling: Long distance cycling typically requires portable charging devices to provide power for mobile phones, navigators, lighting equipment, and other electronic devices. Portable solar chargers or portable mobile power sources can be charged during cycling, ensuring the operation and convenience of electronic devices.

Water activities: In water activities such as fishing, boating, and kayaking, portable energy storage devices can provide power to electric fishing boats, communication equipment, lighting equipment, and other electronic devices, enhancing safety and convenience.

The outdoor use of portable energy storage is not limited to the above examples. They are widely used in various outdoor activities and environments, providing people with independent, convenient, and reliable power solutions.

Our portable energy storage has different capacity options such as 300w, 500w, 1000w, 2000w, 3000w, 5000w, and also supports capacity customization. Please contact us as soon as possible~

  This is a backup power supply in the outdoor outing, in the power outage - portable power station products, the output power is 2000W 1920kwh, can meet a variety of daily needs, such as small to mobile phones, computers, large to microwave ovens, washing machines, coffee machines, cars and other common electrical power supply, no matter what the environment is the need for electricity, closely related to life.

2000w Potable Power Station

High power output: 1920Wh AC pure sine wave

1920Wh ultra large capacity and capacity expansion to 5120Wh

TYPE-C:5V/3A 9V/3A 12V/2.5A 15V/2A 20V/2.2A

12V output: Car charger output 12V/10A, maximum output 120W

Lithium battery capacity: 75Ah, 25.6V (1920Wh)

Cycle times: >6000 times, discharge temperature-10-50°C, charge temperature 0-50°℃

AC/USB/Car cigarette output/ 4 devices Simultaneously using electricity

Sunflower Solar Power System, also known as smart photovoltaic flowers and intelligent photovoltaic flowers, have the characteristics of automatic opening and closing and weather sensing. They also have intelligent functions such as real-time monitoring of equipment data, remote maintenance equipment, fault warning, and real-time positioning. They are used in smart parks, smart campuses, smart towns, etc., which not only reduce power consumption but also beautify the environment.

1. High power generation efficiency: Solar flowers can be divided into single-axis solar flowers, dual-axis solar flowers, and three-axis solar flowers according to the tracking mode. The leaves rotate as the sun rises in the east and sets in the west.The system adopts an astronomical tracing algorithm to automatically track the position of the sun in real time, and the power generation efficiency can be increased by 40% compared with traditional solar panels.

2. Automatic opening and closing: Solar flowers adopt a "petal-style" design. The leaves can be folded and unfolded. They "bloom" at sunrise and close at sunset. Compared with traditional solar panels, they are more flexible.

3. Self-protection: When encountering cloudy weather, the leaves will autonomously determine whether to perform photovoltaic power generation; when encountering severe weather such as typhoons and rainstorms, the leaves will automatically fold up for protection, with better self-protection performance.

4. Remote control: The "brain" of the solar flower can remotely maintain the equipment, making the solar flower smarter.

5. Real-time monitoring: The solar flower has "smart eyes" that can count the power generation, consumption and greenhouse gas emission reduction of the equipment online in real time; it also automatically collects ambient air for air quality detection.

6. Fault warning: The solar flower can also push equipment information to the operator in real time, and has good fault warning performance.

7. Accurate positioning: The solar flower has a global positioning system that can accurately locate in real time.

Powerwall Lifepo4 battery is a small home energy storage system, used to store electrical energy for use in daily power outages or as a backup power supply, there are regular 48Vlot and 51.2Vlot, you can also choose custom capacity, Powerwall battery has the function of charging and discharging, the following is the explanation of its charging and discharging:

Charge:

Solar charging: The Powerwall battery can collect sunlight through solar panels and convert it into electricity for charging. When the sun is shining, solar charging is a renewable, environmentally friendly way to provide sustainable power to the battery.

The Powerwall battery can also be charged during valley hours when grid electricity prices are low. During this time period, electricity bills are lower and charging is more economical and efficient. In this way, the stored energy can be used during peak hours, saving electricity costs.

Energy storage system charging: When the external power supply is stable, the Powerwall battery can be charged through the external power grid. This allows excess power to be stored for use when the grid is full.

Discharge:

Home use: Powerwall batteries can provide stored electricity for the home to meet daily electricity needs. In the event of a power outage or insufficient solar energy, the Powerwall battery can automatically start and provide electricity supply to ensure the normal use of electricity in the home.

When the power grid load is high, the Powerwall battery can be used as an energy storage device to release the stored electric energy to balance the power grid load, reduce peak power consumption, and improve the stability of the power grid.

Emergency backup power: In emergency situations, such as grid failures or natural disasters, the Powerwall battery can be used as a backup power source to provide a continuous power supply. This provides a safe and reliable emergency backup power solution.

Through the process of charging and discharging, Powerwall batteries enable the storage and utilization of electrical energy, providing users with a flexible and reliable energy supply, and promoting sustainable energy use and conservation.

Home energy storage devices store electricity locally, for later consumption. Electrochemical energy storage products, also known as "Battery Energy Storage System" (or "BESS" for short), at their heart are rechargeable batteries, typically based on lithium-ion or lead-acid controlled by computer with intelligent software to handle charging and discharging cycles. Companies are also developing smaller flow battery technology for home use.

As a local energy storage technologies for home use, they are smaller relatives of battery-based grid energy storage and support the concept of distributed generation. When paired with on-site generation, they can virtually eliminate blackouts in an off-the-grid lifestyle.

There are several important conditions to consider how to choose home energy storage system:

1. Capacity and Power Output: Assess your energy needs and determine the capacity and power output required for your home. Consider factors such as your average energy consumption, peak energy demands, and any specific appliances or systems you want to power during outages or peak times.

2. Battery Technology: Different battery technologies have varying characteristics, such as energy density, cycle life, efficiency, and cost. Research and compare battery options, such as lithium-ion, lead-acid, or flow batteries, to find the technology that best suits your needs in terms of performance, lifespan, and cost. 

3. Scalability: Consider the scalability of the home energy storage system. Can you expand or add more batteries in the future if your energy needs change? Flexibility in system size ensures you can adapt to evolving energy requirements.

4. Charging and Discharging Rate: Evaluate the charging and discharging rates of the system. A high charging rate allows you to recharge the batteries quickly, while a high discharging rate enables you to power multiple appliances simultaneously or meet peak demand.

5. Warranty and Lifespan: Look for a home energy storage system that offers a reliable warranty and has a long lifespan. Ideally, the system should be designed to last for many years and come with a warranty that provides you with peace of mind.

6. Integration with Renewable Energy: If you have solar panels or other renewable energy sources, consider how well the energy storage system integrates with these sources. Ensure compatibility, efficient energy management, and the ability to maximize self-consumption of renewable energy.

7. Monitoring and Control: Determine the level of monitoring and control provided by the energy storage system. Look for features such as real-time energy monitoring, mobile apps, and remote control capabilities, which can enhance your ability to manage and optimize energy usage.

8. Safety Features: A home energy storage system should have robust safety features to protect against overheating, overcharging, and other potential hazards. Look for systems with built-in safety mechanisms and certifications that adhere to industry standards.

9. Cost and Return on Investment: Consider the upfront cost, including the price of the system, installation, and any necessary additional components. Evaluate the potential return on investment by calculating energy savings, incentives, and the system's ability to offset peak electricity rates or provide backup power during outages.

By carefully considering these conditions, you can choose a home energy storage system that aligns with your energy needs, integrates with your renewable energy sources, and provides long-term value and reliability.

As a professional ESS manufacturer ,Zhuhai Changing Energy Technology CO.,Ltd provide various battery solutions for you,and please feel free to contact us for more website: https://www.zhceenergy.com.

Classification of battery packs

What is battery pack?  (Battery cell,Battery,Battery pack)

First of all, we must understand the general distinction between lithium battery cells, lithium battery modules and lithium battery packs:

Battery cell: The most basic element that makes up a battery pack and a battery pack, generally the voltage that can be provided is between 3v-4v;

Battery: A collection of multiple cells to form a single physical module that provides higher voltage and capacity;

Battery pack: It is generally composed of multiple battery packs, and at the same time, a battery management system (bms) is also added, which is the final product provided by the battery factory to users.

Composition classification of battery pack:

As the core component of PACK, batteries are currently divided into three main categories based on the shape of batteries: square shell, cylinder and soft pack (polymer battery). The positive and negative electrodes are packaged into the corresponding shells in different ways

Battery module

By assembling single cells, the cells can be connected in series and parallel through bus bars, which can be locked by screws, resistance welding, ultrasonic welding, ultrasonic aluminum wire welding and laser welding.

Considering the production yield, efficiency and the internal resistance of the connection point, laser welding is currently the first choice of many battery manufacturers.

Composition of battery pack

It mainly includes battery module, mechanism system, electrical system, thermal management system and BMS. 

Battery Module

If the battery PACK is compared to a human body, then the module is the "heart", which is responsible for storing and releasing energy to provide power for the car.

Institutional system

It is mainly composed of battery PACK cover, tray, various metal brackets, end plates and bolts, which can be regarded as the "skeleton" of battery PACK, which plays the role of support, mechanical shock resistance, mechanical vibration and environmental protection (waterproof and dustproof) effect.

Electrical System

It is mainly composed of high-voltage jumpers or high-voltage wire harnesses, low-voltage wire harnesses and relays. The high-voltage wiring harness can be regarded as the "large artery" of the battery pack, which continuously transmits the power of the heart of the power battery system to various required components, and the low-voltage wiring harness can be regarded as the "neural network" of the battery pack, transmitting detection signals and control in real time Signal.

Thermal management system

There are four main types of thermal management systems: air cooling, water cooling, liquid cooling, and phase change materials. Taking the water cooling system as an example, the thermal management system is mainly composed of cooling plates, cooling water pipes, heat insulation pads and heat conduction pads. The thermal management system is equivalent to installing an air conditioner for the battery pack.

BMS

Battery management system The battery management system can be regarded as the "brain" of the battery. It is mainly composed of CMU and BMU.

CMU: Cell monitor Unit is a single monitoring unit, which is responsible for measuring parameters such as voltage, current and temperature of the battery, and also has functions such as equalization. When the CMU measures these data, it transmits the data to the BMU through the aforementioned battery "neural network".

BMU: Battery management Unit .

Responsible for evaluating the data transmitted by the CMU. If the data is abnormal, it will protect the battery, issue a request to reduce the current, or cut off the charging and discharging path to prevent the battery from exceeding the permitted use conditions. At the same time, it also manages the power and temperature of the battery. According to the previously designed control strategy, judge the parameters and states that need to be warned, and send the warning to the vehicle controller, and finally convey it to the driver.

Process flow

Battery PACK is the core energy source of new energy vehicles, providing driving power for the entire vehicle. As the core component of new energy vehicles, its quality directly determines the performance of the vehicle. Lithium battery manufacturing equipment is generally divided into three types: front-end equipment, middle-end equipment, and back-end equipment. The accuracy and automation level of the equipment will directly affect the production efficiency and consistency of the product.

Although the types of batteries and modules are different, the composition and process flow of PACK are roughly the same (not all manufacturers have the same process flow)

PACK assembly process

Mainly divided into assembly process, air tightness testing process, software writing process, electrical performance testing process, etc.

Production line introduction

There are many flexible lines and press-fitting and tightening in the PACK assembly process. It is more difficult to automate and the input-output ratio is not high. Therefore, the automation degree of the rear-end equipment will be lower than that of the front-end and middle-end equipment, but it is compatible with cylindrical and square shells. , and soft pack three kinds of PACK battery pack assembly.

Stations that may require automation:

-The lower housing is automatically on the line

-Module automatically goes online into the housing

-Module is fixed and screwed

-The upper cover is threaded and tightened

- Automatically apply A/B thermal paste (depending on the process)

- Automatic sealant application (depending on the process)

- Finished product off the assembly line

With the gradual maturity of the development of the power battery industry, the battery PACK modular technology will become more and more mature. The development of battery PACK technology involves multi-disciplinary and multi-field knowledge, and requires interdisciplinary technology integration. All in all, if car companies want to finally produce PACK products on a large scale that fully meet the requirements of new energy vehicles in terms of life, stability, reliability, and safety, they still need a lot of engineering practice and test verification, as well as continuous optimization and upgrading of products process.

Zhceenergy always committed to providing customers with one-stop solar battery system procurement services, all battery products are A grade has a longer life and shelf life, to provide customers with worry-free service!