25kwh Lithium Ion Battery Pack for Solar
The 25kWh lithium battery pack consists of 5 modules. Each module is equipped with an LCD screen and buttons that are easy to operate, with a clear and user-friendly interface. The bottom of battery pack has movable wheels, making it easy to transport, install, and maintain. In the event of a power outage or grid failure, the system can seamlessly switch to battery power, ensuring that critical equipment keeps running.
- Brand: Delong Energy
- Sample: Available For Test
- Service: 10 Years Warranty
- Support: OEM, ODM, OBM, Customized
- Certificates: CE, UL, MSDS, IEC, UN38.3, ISO, etc.
Price: Click The Button Below To Get A Discount Price.
Best 51.2V 500Ah 25 kwh Lithium Ion Battery Storage from Delong
The Delong 25kWh battery is made with lithium iron phosphate cells, offering high energy density and a compact size. Its dimensions are 640×450×840/970mm, and it weighs only 250kg, much lighter than lead-acid batteries. Each module’s outer shell is made of metal, which can withstand temperatures from -20°C to 60°C. The maximum discharge current is 100A, with a peak discharge current of 105A that can last for 5 seconds, meeting the needs of equipment that require brief high power.

LCD of 10kwh stacked lithium battery
The 25kWh lithium-ion battery is designed as an emergency backup power source for home use. It can connect with solar panels and inverters to create a reliable and efficient solar system. This system stores solar energy during the day and converts it into electricity at night. The 25kWh solar system meets the daily electricity needs of most households, and it also improves energy independence in remote areas.
Advantages of 25kwh Lifepo4 Battery Bank
• We Use Brand New Cells
The battery uses A-grade cells from well-known brands like BYD and CATL. These cells have a large capacity, high safety, and good consistency, providing excellent discharge performance for the battery pack.

Grade A Battery Cells
• Modular Design
The 25kWh solar battery storage features a modular design, which is both stylish and space-saving. You can easily adjust the number of modules to meet different needs. The capacity options range from 5kWh, 10kWh, 15kWh, 20kWh to 25kWh, helping to further improve your energy efficiency.

Stackable Home Battery with Modular Design
• Smart BMS For Safety
Each battery module is equipped with a smart BMS that helps prevent issues like overcharging, over-discharging, over-voltage, over-current, and short circuits. If any problem occurs, the BMS will automatically cut off the circuit and reconnect once the issue is resolved. This not only ensures the safety of the battery but also helps extend its lifespan.
• Long Lifespan
With A-grade cells and multiple protections from the BMS, the 25kWh battery can complete 6,500 charge and discharge cycles. It has a lifespan of up to 10 years, significantly boosting the value of your long-term investment.
• Good Compatibility For Communication
The 25kWh home battery can communicate with inverters through CAN and RS485 ports, offering great compatibility. It works well with most brands, including SMA, Deye, Growatt, MUST, Megarevo, and Solax, to form a solar system. If you have any concerns about compatibility, feel free to contact us for port adjustments.

Compatible Inverter List
• App Monitoring Support
The lifepo4 battery offers optional Bluetooth and Wi-Fi features. You can monitor the battery’s status in real time on the app, including its charge, voltage, current, and more.
• Low Self-Discharge Rate
The 25kWh lithium iron phosphate battery has a very low self-discharge rate. Even if you don’t use it for a long time, it won’t lose much charge.
• Easy to Use
The battery with 10 year warranty has a stackable design, making installation very simple. We provide an installation video and include a user manual with the shipment.
• Price Advantage
We are a lithium battery factory, and all our products are sold at factory prices. Whether you use them yourself or resell, you can save on the middleman markup from wholesalers and distributors. In addition, our batteries are certified with CE, KC, IEC, PSE, UL, MSDS, UN38.3, and more. Delong also offers global shipping, covering most countries, including the U.S., U.K., Australia, Nigeria, India, and others.

Lithium Battery Certification
• Wide Range of Applications
The 25kWh battery is an innovative energy storage solution. It can replace lead-acid batteries and diesel generators to provide off-grid or grid-connected solutions. For example, it can supply uninterrupted power to residential areas, commercial zones, city grids, data servers, telecom bases, electric vehicle charging stations, and more.

Stackable Battery Application
Comparing the 25kWh Battery
In addition to the following 4 models, Delong also offers custom, OEM, and ODM services for the 25kWh battery.
Model | HS51100 | BE51100 | HVS16-5 | HVS32-5 |
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Energy | 51.2V 500Ah | 51.2V 500Ah | 256V 100Ah | 512V 50Ah |
Weight | 246kg | 227.5kg | 295kg | 295kg |
Size | 640*450*840/970mm | 482/438*420*885mm | 720*330*1124mm | 720*330*1124mm |
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Delong – Lithium Battery Energy Storage System Factory
Technical Data
Model | 25 kWh Battery (HS51100 Series) |
---|---|
Nominal Voltage | 51.2V / 48V |
Nominal Capacity | 100Ah |
Battery Energy | 25.6Kwh |
Weight | ≈246Kg(with base 11kg) |
Dimensions (L*W*H) | 640*450*840/970mm |
Discharging Cut-off Voltage | 44.8V±0.2V |
Charging Cut-off Voltage | 57.6V±02V |
Charging Current | Recommend/20A; Max./50A |
Discharging Current | Recommend /50A; Max./100A* |
Peak Discharging Current | 105A (5 sec.)* |
Nos of Cells | 16pcs (Single battery module) |
Cell Type | LiFePO4 Battery |
Terminal | M8 |
Case Material | Metal Box |
Communication Mode | RS485 / CAN |
Depth of Discharge | 95 |
Working Temperature | 0°C-50℃ Charge / -10℃~50℃ Discharge |
The Shelf Temperature | -20℃-60℃ |
Humidity | 5-95%(RH) |
Design Life Cycle | 10+Years (25℃/77°F) |
Cycle Life | ≥6500 at 25℃ |
PDF Download
Datasheet:
5Kwh~50Kwh Stackable & Movable Lithium Battery Datasheet 2024
User Manual:
User Manual – 5~50Kwh Stackable Series
FAQ
• How Big Is a 25kwh Battery?
The Delong 25kWh battery has dimensions of 640×450×840/970mm and weighs 250kg.
• What Is the Cost of a 25kwh Lithium Battery?
The price of the Delong 25kWh lithium battery is around 3300 USD.
• How Long Does It Take to Charge a 25kwh Battery?
The 25kWh battery consists of 5 modules, each 51.2V 100Ah.
It takes 5 hours to charge the 25kWh battery with a 20A current.
It takes 2 hours to charge the 25kWh battery with a 50A current.
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