FIRSTEK - Your Car Battery Manufacturer with Reliable Solutions
With 20 years of industry experience, FIRSTEK enjoys a high reputation in the manufacturing and research and development of lead-acid batteries and lithium iron phosphate batteries.
High R&D Level
Our FIRSTEK R&D Institute is a comprehensive R&D center integrating material R&D and testing verification functions. We are committed to becoming a national-level technology incubation center and testing center, with research branches such as battery technology, battery applications, and battery equipment under our jurisdiction. At present, we have applied for and obtained a number of patents, and our research and development level is at the leading level in the industry.
Customize and OEM/ODM Your Project
FIRSTEK not only produces automotive batteries, VRLA/SLA batteries, LiFePO4 batteries, ESM (energy storage modules) and ESS (energy storage systems), solar home systems, but also customizes lithium-ion batteries and develops BMS to meet the battery needs of different applications.
Multiple Certifications
Our company has obtained multiple international certifications, including ISO9001, ISO14001, ISO45001, OHS MS18001, UL, CE, KS, VDS, CB, BIS, SASO. All our batteries are produced to strict standards. Our company has also won the title of high-tech enterprise.
Environmental Friendly
FIRSTEK closely integrates its business philosophy with the social environment and establishes an industrial chain including materials, batteries, system integration, recycling, etc. By mastering the echelon utilization technology of the entire industry chain, we form a closed loop of the echelon utilization industry chain, aiming to contribute to environmental protection.
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51.2V600Ah 30KWH Stacked Home Solar Energy Storage System (ESS)
• Model number: SPB-30kWh . • Nominal voltage: 51.2V. • Nominal capacity: 600Ah. •
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51.2V500Ah 25KWH Stacked Home Solar Energy Storage System (ESS)
• Model number: SPB-25kWh . • Nominal voltage: 51.2V. • Nominal capacity: 500Ah. •
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51.2V400Ah 20KWH Stacked Home Solar Energy Storage System (ESS)
• Model number: SPB-20kWh . • Nominal voltage: 51.2V. • Nominal capacity: 400Ah. •
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51.2V300Ah 15KWH Stacked Home Solar Energy Storage System (ESS)
• Model number: SPB-15kWh . • Nominal voltage: 51.2V. • Nominal capacity: 300Ah. •
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51.2V200Ah 10KWH Stacked Home Solar Energy Storage System (ESS)
• Model number: SPB-10kWh . • Nominal voltage: 51.2V. • Nominal capacity: 200Ah. •
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51.2V 20KWH LiFePO4 All in One Power Cabinet Home Energy Storage System
• Model number: PC-20kWh . • Nominal voltage: 51.2V. • Nominal capacity: 400Ah. • Dimension(W*D*H):
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51.2V 7KWH LiFePO4 Residential Energy Storage System (ESS) Battery
• Model number: PB-7kWh . • Nominal voltage: 51.2V. • Nominal capacity: 136.8Ah. •
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51.2V 5KWH LiFePO4 Residential Energy Storage System (ESS) Battery
• Model number: PB-5kWh . • Nominal voltage: 51.2V. • Nominal capacity: 100Ah. • Dimension(W*D*H):
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51.2V 3KWH LiFePO4 Residential Energy Storage System (ESS) Battery
• Model number: PB-3kWh . • Nominal voltage: 51.2V. • Nominal capacity: 57.6Ah. • Dimension(W*D*H):
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51.2V 100AH LiFePO4 Portable Power Station
• Model number: PPS-5kWh . • Nominal voltage: 51.2V. • Nominal capacity: 100Ah. • Dimension(W*D*H):
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25.6V 150AH LiFePO4 Portable Power Station
• Model number: PPS-4kWh . • Nominal voltage: 25.6V. • Nominal capacity: 150Ah. • Dimension(W*D*H):
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25.6V 100AH LiFePO4 Portable Power Station
• Model number: PPS-3kWh . • Nominal voltage: 25.6V. • Nominal capacity: 100Ah. •
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Brief Introduction to Energy Storage System
Energy storage systems are a simple way to capture energy and store it for later use, for example, to power off-grid applications, or to supplement peaks in demand. They are generally not used to completely replace grid power, but rather to provide a short-term solution in applications where grid power access is intermittent or where the use of generators is not suitable due to noise or pollution issues. Another application for energy storage systems is in managing energy generated from intermittent sources, such as solar panels.
Main Features of Energy Storage System
Modular Design
The energy storage system can accommodate a variety of storage capacities, and its capacity can be easily expanded or reduced based on user demand. The entire system is designed with modular components to allow flexible configuration and upgrade of individual units for efficient utilization.
High Energy Density
ESSs have high energy density to store large amounts of energy in a relatively small and lightweight system. This means it can play an important role in applications where space is limited. If you install these energy storage systems in your home, you don't have to worry about them taking up space in your living space.
Fast Charge and Discharge Capability
Rapid charging and discharging capabilities enable energy storage systems to respond promptly to fluctuations in energy demand or supply, enhancing their role in stabilizing the grid. Whenever you experience a power outage, this system can quickly provide power to your home to ensure normal life.
Long Cycle Life
An energy storage system has a long cycle life, meaning it can undergo multiple charge and discharge cycles while maintaining optimal performance. In addition, high-durability materials ensure the service life of the system and reduce the possibility of external interference during application.
Benefits of Energy Storage System
Module title
Make the Most of Solar Power
With a solar energy storage system, you install panels on your home and plug the system into the grid. If your panels don't produce enough energy for whatever reason, your home taps into the grid to pick up the slack. For batteries, excess power is stored in the battery system. On cloudy days or days when the system isn't producing as much power as usual, you can draw power from the battery instead of the grid. Likewise, you can store excess energy in batteries instead of selling it back to the grid. This gives you more control over how your energy is used and where the excess energy goes.
Greater Energy Security
Solar energy storage systems make your home more energy resilient. Energy storage systems are particularly useful if you live in an area with an occasionally unreliable power grid, or if you simply want to provide greater certainty with the power in your home. Even if the grid fails, an energy storage system can power critical parts of a home for several hours.
Reduce Your Carbon Footprint
Installing a solar energy storage system can reduce a home's carbon footprint and move it closer to self-sufficiency. This is crucial for anyone who wants to "go green" and reduce pollution. Today, solar energy storage systems produce far less pollution than traditional fossil fuels and can help households consume fewer resources for years to come.
No Noise Pollution
Unlike generators, solar panels and battery storage systems do not create noise pollution that disturbs neighbors. This is a unique advantage and a great way for anyone who currently owns a generator to update their system.
Reduced Electric Bills
One of the biggest benefits of energy storage systems is that they will help you save money on your energy bill. With a solar energy storage system to power your home, you'll avoid the costs associated with electricity retailers, become self-sufficient, and save on the electricity you generate. All of these are huge bonuses.
Energy Storage System Specifications
| Product Name | 51.2V600Ah 30KWH Stacked Home Solar Energy Storage System (ESS) |
| Battery Type | LiFePO4 |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 600Ah |
| Nominal Energy | 30kWh |
| Dimensions (W*D*H) | 560*500*1390 mm |
| Weight | 370Kg |
| AC Input Voltage | AC 220V 50HZ / AC110V 60HZ |
| AC Output | AC 220V 50HZ / AC110V 60HZ /15A Max |
| AC Charging current | 60A Max |
| AC Continuous Power | 5000W(220V) / 3500W(110V) |
| AC Peak Power | 8000W(220V) / 4000W(110V) |
| Scalability | up to 15 |
| Highest Conversion rate | 88-91% |
| Solar panel power | 60-145V 4200W Max |
| Solar Charging Current | 80A Max |
| Solar Charge | MPPT |
| Smart System | WiFi or GPRS |
| Shipping Classification | UN 3480, Class 9 |
Several Kinds of Energy Storage System
Battery energy storage systems (BESS) are the most practical solar energy storage solution for homeowners. They are rechargeable batteries that capture solar energy and store it in chemical form. The following are the main types of solar energy storage systems:
Lead-Acid Batteries
Lead-acid batteries are the most common type of battery because they are cheap. But they are larger, have lower depth of discharge (DoD), and have a shorter lifespan.
Lifepo4 Battery
It is lighter and more compact than lead-acid batteries. They also have a higher DoD and therefore a higher price. But they are becoming increasingly popular due to their efficiency and longer shelf life.
Nickel-Cadmium Batteries
Nickel-cadmium batteries are small, compact, and durable. They also operate over a wide temperature range, making them practical in extreme climates. Their only drawback is the toxicity of cadmium, making it unsafe to handle.
Flow Battery
Flow battery is a new battery technology with scalable capacity. They contain a water-based electrolyte flowing in two storage tanks (battery compartments).
In today's fast-paced world, the demand for reliable and efficient energy storage solutions is on the rise. Energy Storage Systems (ESS) play a crucial role in harnessing renewable energy, ensuring uninterrupted power supply, and reducing overall energy costs. However, with a wide range of ESS products available in the market, finding the best one for your specific requirements can be overwhelming. In this blog, we will walk you through the essential factors to consider when selecting the ideal ESS for your needs.
1. Determine Your Energy Requirements
Before diving into the world of ESS products, it's essential to understand your energy requirements. Assess your daily energy consumption, peak power demands, and expected backup duration. This will help you choose an ESS with the right capacity and power output to meet your needs efficiently.
2. Battery Technology
The heart of any ESS is its battery. Various battery technologies are available, including lithium-ion, lead-acid, and flow batteries. Among them, lithium-ion batteries are widely recognized for their high energy density, longer lifespan, and fast charging capabilities. Consider the battery technology that best aligns with your energy goals and budget.
3. Power Output
The power output of an ESS determines how much energy it can deliver at a given time. For applications requiring high power demands, such as commercial facilities or industrial operations, a system with a higher power output is necessary. Evaluate your power requirements and choose an ESS that can handle your peak loads effortlessly.
4. Efficiency
Efficiency is a critical factor in maximizing the performance of your ESS. Look for products with high round-trip efficiency, which indicates how well the system can convert and store energy without significant losses. Higher efficiency means more energy savings and reduced operating costs in the long run.
5. Scalability
As your energy needs may evolve over time, it is advisable to opt for an ESS that offers scalability. A modular and expandable system allows you to increase capacity or power output as your requirements grow, without the need for a complete overhaul.
6. Safety Features
Safety should never be compromised when selecting an ESS. Look for products with advanced safety features such as thermal management systems, overcharge/over-discharge protection, and fault detection mechanisms. Prioritize ESS products that adhere to international safety standards.
7. Warranty and Support
An ESS is a long-term investment. Ensure that the product you choose comes with a comprehensive warranty and reliable customer support. This will give you peace of mind and assurance of assistance whenever needed.
Factors Affecting the Cost of Solar Energy Storage Systems
The cost of a solar energy storage system depends largely on several factors. The installation cost of a solar storage system is calculated in dollars per kilowatt hour. The following factors determine how much you will spend setting up a solar storage system:
Installation costs depend on the type of solar storage system. For example, a PHES system costs approximately $106 to $200/kWh, while a BESS system costs $400 to $1,000/kWh. Additionally, the price of a battery storage system depends on the type, chemistry, capacity, and efficiency of the battery.
It is relatively cheap to install energy storage systems with smaller energy capacities. For example, a 10kWh solar cell costs $4,000 to $10,000, while a 25kWh battery costs about $10,000 to $25,000.
Your energy needs determine the size of the system to be installed, which affects upfront and maintenance costs. As a result, residential solar + storage systems are generally less expensive than commercial systems because they are smaller. However, large commercial projects can benefit from economies of scale and lower costs per kilowatt hour of capacity.
If you pair a solar storage system with your initial solar installation, you'll save money than if you install it later.
Where a solar storage system is installed determines its cost. For example, systems installed in remote or off-grid areas are expensive.
Maintenance Guidelines for Energy Storage Systems
Solar energy storage systems (ESS) are becoming increasingly popular as a means of storing excess solar energy for later use. The following are the basic maintenance tasks required to keep your solar ESS running smoothly and efficiently.
Regular Battery Checks
The heart of any solar ESS (energy storage system) is the battery. Regular inspections are essential to monitor their condition and performance. Check for signs of physical damage, leaks, or corrosion. Make sure the battery connections are secure and free of any buildup that could affect performance. Additionally, monitor battery temperature to prevent overheating, as high temperatures can shorten battery life.
Firmware Update
Stay up to date with firmware updates from Solar ESS (Energy Storage System) manufacturers. These updates typically involve performance enhancements, bug fixes, and security improvements. Keeping your system firmware up to date ensures optimal functionality and compatibility with other components. Please refer to the manufacturer's guidelines or seek professional help to perform these updates correctly.
Environmental Considerations
Consider the specific environmental conditions under which the solar ESS operates. Extreme temperatures, high humidity, or exposure to salt water or chemicals can affect system performance. In this case, additional maintenance measures may be required. For example, in areas with high humidity, it is recommended that battery ventilation systems be inspected and cleaned regularly to prevent moisture build-up.
Professional Inspection and Repair
While regular visual inspections are valuable, it is recommended to have your solar ESS (energy storage system) inspected and serviced by a professional on a regular basis. They can perform comprehensive testing to evaluate overall system performance, including battery capacity, inverter functionality and overall safety. Professionals can detect potential problems early and provide recommendations for any necessary repairs or replacements.
Residential Energy Storage System Regulations
NFPA 855, Standard for the Installation of Stationary Energy Storage Systems, contains requirements for the installation of energy storage systems (ESS). An ESS system is a technology that helps supplement renewable energy sources (such as wind and solar), support the country’s electrical infrastructure, and can even provide electricity to our homes during a power failure. This technology has a lot of great applications but it also has inherent fire risks so it is important to manage risks by taking some basic precautions. NFPA 855 covers a lot of different ESS topics but this blog will focus on some of the considerations related to installing an ESS in a residential one or two family home.
Size Limitations
The residential chapter of NFPA 855 addresses the installation of residential ESS units between 1kwh and 20kwh. After individual units exceed 20kWh it will be treated the same as a commercial installation and must comply with the requirements of the rest of the standard. There are also limitations on how much total energy can be stored in certain areas of a household. If you go beyond those thresholds, then you need to comply with the requirements for commercial installations.
Location
Energy storage systems can pose a potential fire risk and therefore shouldn’t be installed in certain areas of the home. NFPA 855 only permits residential ESS to be installed in the following areas:
● Attached garages
● Detached Garages
● On exterior walls at least 3 ft (914 mm) away from doors or windows
● Outdoors at least 3 ft (914 mm) away from doors or windows
● Utility closets
● Storage or utility spaces
ESS can be installed in any of those locations, however if the room is unfinished, the walls and ceiling need to be protected by at least 5/8 in. (16 mm) gypsum board. Certain types of energy storage systems have the potential to discharge toxic gas during charging, discharging, and normal use. It makes sense that these types of energy storage systems are only permitted to be installed outdoors. One last location requirement has to do with vehicle impact. One way that an energy storage system can overheat and lead to a fire or explosion is if the unit itself is physically damaged by being crushed or impacted. Because of this risk, any battery systems installed in a location where they are subject to vehicle damage needs to be protected by approved barriers, usually in the form of safety bollards. No one wants bollards installed in their garage or driveway so ideally one would be able to move their system out of reach from vehicles. This can be accomplished by either relocating the ESS to a place where vehicles can’t access or mounting it higher on the wall so vehicles can’t accidentally run into it.
Fire Detection
If there is an ESS in your home then interconnected smoke alarms are required to be installed throughout your house, including any garages or rooms housing ESS units. If you run into a situation where you can’t install a smoke alarm, such as an attached garage, a heat detector must be installed and be connected to the smoke alarms in the rest of the house.
Electric Vehicle Use
As global sales of electric vehicles seem to be exponentially growing the committee that wrote NFPA 855 thought it would be important to include requirements for houses that will use their electric vehicles as energy storage systems. There are really only two main requirements. First, any electric vehicle used to power a dwelling while parked needs to comply with the manufacturer’s instructions and NFPA 70, National Electrical Code. Second, the use of a vehicle to power a home can’t exceed 30 days. While there are a lot of requirements for commercial energy storage systems the rules and regulations are much more relaxed for smaller systems being installed in residential one- and two-family dwellings.
Process Quality Management
We implement the following quality management processes:
Factory Photos
The picture below is our factory:
Frequently Asked Questions
As one of the most professional energy storage system manufacturers and suppliers in China, we're featured by high quality and good service. Please rest assured to buy energy storage system at reasonable price from our factory. Contact us for datasheet and quotation.
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