3kWh Lithium Ion Battery Backup
The 3kWh lithium ion battery has a voltage of 25.6V and a capacity of 120Ah. It supports wall-mounted installation and vertical stacking.
- 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.
3kWh Lithium Ion Battery 25.6V 120Ah Battery Backup For Home
The 3kWh solar battery uses A-grade LiFePO4 cells, which provide strong support for excellent discharge performance. Its maximum discharge current is 100A, and the maximum charging current is 70A. The metal casing can resist some impact to keep the internal structure safe and stable.
Features of 3kWh Lithium Battery Pack
- Long Lifespan
The Delong 3kWh lithium battery is designed to last 10 years and can handle 6,500 charge and discharge cycles. It is a long-term product worth investing in.
- Wall-Mounted & Stackable
You can install it on the floor or mount it on the wall. The back has a high-quality metal bracket, making it very strong. The wall-mounted and stackable design helps save space in your home.
- Takes Up Less Space
Its size is 483*150*450mm, and it weighs 36kg. Compared to lead-acid batteries, it is lighter and more compact. This makes it easier to carry, install, and maintain.
- Built-in BMS
The smart BMS inside helps prevent overcharging, over-discharging, and short circuits. It also keeps the battery stable and extends its lifespan.
- Compatible with Inverters
It has RS485 and CAN communication ports, making it compatible with most inverters. This helps save you time and costs. For incompatible devices, please provide your communication protocol.

Compatible Inverter List
- Supports Parallel Connection
By connecting multiple batteries in parallel, you can expand storage capacity. Simply stack them to get 3kWh, 6kWh, or 9kWh. Adjust the capacity based on your power needs for greater flexibility.
- Certifications
Includes CE, IEC, KC, PSE, FCC, RCM, UL, MSDS, UN38.3, SGS, ROHS, and ISO9001.
- Eco-Friendly
The battery contains no acid or heavy metals and is safe for the environment.
Application of 3kWh Lithium Ion Battery
The 3kWh lithium battery is a reliable solar energy storage battery. Its features make it suitable for many uses, such as home energy storage, UPS systems, central offices, RVs, convertibles, telecom systems, communication equipment, and switch applications. It stores solar energy during the day and provides power at night. As an essential backup power source and uninterruptible power supply, it helps increase your energy independence while reducing electricity costs.

Wall Mount Lithium Battery Application
Why Choose Delong 3kWh Battery Storage?
Delong has been in the lithium battery industry for 14 years, with mature design and manufacturing for the 3kWh lithium battery. Its quality is matched with the price, making it suitable for many households. It is the top choice for many battery distributors and is popular in countries like Germany, Australia, the USA, Japan, India, South Africa, Pakistan, and Nigeria. We offer a 10-year after-sales warranty and highly competitive prices. Delong is also excited to have you join as a distributor or trader. We look forward to customizing solutions for you and offering OEM and ODM services. Contact us for more information.

About Delong Energy
About Lead Time
For small orders, delivery can be completed within 3-5 days after payment.
For large orders, delivery can be completed within 10-25 days after payment.
The actual time needs to be confirmed with our sales team.
About Shipping and Delivery Time
Sample orders can be shipped by courier services like FedEx, UPS, or TNT.
If the package weighs over 50kg, it can be shipped by air or sea, with sea shipping being cheaper. You can tell us the nearest airport or seaport, and our sales team will help you confirm the best option.
After Sales Service
We offer a 10-year after-sales support service.
FAQ
How Much Is a 3 kWh Battery?
The initial cost of a 3kWh lithium battery is roughly between $500 and $2000. The price can vary depending on the brand, region, and order quantity. Compared to lead-acid batteries, it offers better value for money.
How Many 12 Volt Batteries for 3kwh?
To get 3kWh, you can use 5 of the 12V 50Ah batteries, 3 of the 12V 100Ah batteries, or 2 of the 12V 150Ah batteries.
How Long Will a 3kwh Battery Last?
The 3kWh LiFePO4 battery can last up to 10 years. When powering a 500W device, it can be used for about 6 hours.
What Is the Range of a 3kwh Battery?
The range of the 3kWh battery is between 15 to 30 kilometers, depending on the type of vehicle and driving conditions.
How Many Units to Charge a 3kwh Home Battery?
Assuming a charging efficiency of 90%, it would take about 3.33kWh to charge a 3kWh battery.
Technical Data
Model | 3kWh Battery (DL-LFP25120) |
---|---|
Nominal Voltage | 25.6V |
Nominal Capacity | 120Ah |
Battery Energy | 3kWh |
Weight | 36±0.5Kg |
Dimensions (L*W*H) | 483*150*450mm |
Discharging Cut-off Voltage | 28.2V ± 0.2V |
Charging Cut-off Voltage | 22.4V ± 0.2V |
Charging Current | Max./70A |
Discharging Current | Max./100A* |
Recommended Load | <3Kw |
Cell Type | LiFePO4 Battery |
Terminal | M8 |
Case Material | Metal Box |
Communication Mode | RS485 / CAN |
Depth of Discharge | 95 |
Charge Temperature Range | 0°C-45℃ |
Discharge Temperature Range | -5℃-55℃ |
Colour | White+Black |
Design Life | 12 Years |
Cycle Life | ≥6500 Cycles at 25℃ |
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