DESAY 280Ah LiFePO4 Battery Cells
Best Battery Cells for DIY Solar & 48V ESS Projects
The DESAY 280Ah LiFePO4 battery cell is one of the most popular choices for DIY solar battery packs, 48V ESS systems, RV energy storage, and off-grid solar projects.
Compared with smaller-capacity battery cells, DESAY 280Ah cells provide an excellent balance between energy density, reliability, installation flexibility, and overall system cost.
Desay 280ah Designed for residential ESS and long-cycle solar storage applications, these Grade A lithium battery cells offer stable voltage performance, low internal resistance, and excellent consistency for battery pack integration.
Whether you are building a DIY 48V battery pack or a complete off-grid solar energy storage system, DESAY 280Ah cells are widely trusted by installers and ESS users worldwide.
Why DESAY 280Ah Is Popular for Solar Storage
High Energy Density for ESS Projects
The 280Ah large-capacity design reduces the number of cells required in a battery pack while improving overall space utilization for residential and commercial ESS systems.
Ideal for DIY Solar Battery Packs
DESAY 280Ah battery cells are widely used for:
- DIY 12V battery packs
- DIY 24V battery packs
- DIY 48V ESS systems
- Off-grid solar storage
- RV battery systems
- Marine lithium battery systems
- Home backup power systems
Excellent Compatibility with JK BMS
DESAY 280Ah LiFePO4 cells are highly compatible with:
- JK BMS
- JBD BMS
- Daren BMS
- KS systems
- Victron ESS systems
This makes them a popular choice among DIY ESS builders and solar installers.
Long Cycle Life & Stable Performance
These Grade A LiFePO4 battery cells support 6000+ cycles under proper operating conditions, helping reduce long-term replacement costs for solar energy storage systems.
LiFePO4 chemistry also provides:
- Excellent thermal stability
- Enhanced safety
- Stable voltage platform
- Low self-discharge
DESAY 280Ah vs Traditional 100Ah Cells
Compared with smaller 100Ah battery cells, DESAY 280Ah cells offer:
- Higher energy density
- Fewer connections inside the battery pack
- Simplified battery assembly
- Better space utilization
- Lower long-term system cost
This is why 280Ah battery cells have become one of the fastest-growing ESS trends in the solar storage industry.
Specifications
| Item | Specification |
|---|---|
| Brand | DESAY |
| Battery Type | LiFePO4 |
| Nominal Voltage | 3.2V |
| Nominal Capacity | 280Ah |
| Cycle Life | 6000+ Cycles |
| Internal Resistance | ≤0.25mΩ |
| Max Charge Current | 1C |
| Max Discharge Current | 1C |
| Charging Temperature | 0℃ ~ 55℃ |
| Discharging Temperature | -20℃ ~ 60℃ |
| Application | ESS / Solar / RV / Marine |
Why Buy from Docan Energy?
- Genuine Grade A DESAY battery cells
- Strict voltage & IR matching
- Factory tested before shipment
- EU & USA local warehouse support
- Fast DDP shipping available
- Professional engineering support
- Secure export packaging
Fast Shipping from EU & USA Warehouse
We support:
- EU local stock
- USA local stock
- Fast door-to-door delivery
- DDP shipping from China
Suitable for:
- DIY users
- Solar installers
- ESS integrators
- Wholesale buyers
WHY DOCAN ENERGY BE YOUR TRUSTED ENERGY STORAGE PARTERNER
1. 15 Years of Industry Experience
With 15 years of experience in the energy storage industry, we have deep expertise in LiFePO4 battery systems and understand the needs of global residential, commercial, and industrial applications. This long-term focus ensures stable product development and reliable supply.
2. Strict Quality Inspection System
We implement a comprehensive quality control process, including cell grading, production monitoring, full system testing, and safety verification before shipment. Every battery is inspected to ensure consistent performance, safety, and long service life.
3. US & EU Overseas Warehouses
With overseas warehouses in the United States and Europe, we enable fast local delivery, shorter lead times, and reduced shipping costs. This helps customers receive products quickly and supports urgent project requirements.
4. Professional Service & Custom Solutions
We provide full technical support and flexible customization services, including system design, capacity configuration, and application-based solutions. Our team works closely with customers to ensure the most suitable energy storage system for each project.
👉 Experience-driven. Quality-assured. Fast-delivered. Professionally customized.
FAQ
- Are the batteries brand new and top quality?
Yes. All batteries are brand new Grade A cells from the original factory with intact QR codes. - Are busbars and bolts included?
Yes. Each cell comes with matching busbars, bolts, and free insulation sheets. - Will the batteries be tested before shipping?
Yes. All cells are tested for voltage and internal resistance before shipment. - How are the batteries packaged?
Each cell is protected with PE foam or protective bags and packed in strong 5-layer cartons for safe transportation. - How can I place an order?
You can place an order online directly or contact our sales team for assistance. - What if I need additional support?
Please contact us via online chat or email, and we will respond as soon as possible. - What is the delivery time?
Small orders are usually shipped within 1–2 working days. Bulk orders depend on quantity and stock availability. - What payment methods do you accept?
We accept PayPal, bank transfer, Visa, Mastercard, American Express, and more. - Why do some cells have slight scuff marks?
Minor scuff marks are normal due to factory inspections, testing, and matching processes. This does not affect battery performance or quality.
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