Product Details
3.2V 280Ah Rechargeable Lithium Iron Phosphate Energy Storage
Battery
- Exceptional cycle life: Supports 8000 cycles with 70% capacity retention, ensuring
long-term reliability for energy storage systems.
- Wide temperature adaptability: Operates efficiently in extreme conditions, with a discharge
temperature range of -30℃ to 60℃, suitable for diverse climates.
- Low self-discharge: ≤2% per month, maintaining capacity effectively during extended
storage periods.
- High safety: Built with lithium iron phosphate chemistry, featuring robust
resistance to overcharge, over-discharge, and short circuits when
paired with a proper Battery Management System (BMS).
- Stable performance: Delivers consistent voltage and current output, ideal for
maintaining power supply in energy storage applications.
| Parameter | Details |
|---|
| Nominal Voltage | 3.2V |
| Nominal Capacity | 280.0Ah (tested at 25±2℃ under standard charge/discharge mode) |
| Maximum Charge Current | 1.0C (continuous, at 25±2℃; varies with temperature, see Operating
Temperature Range) |
| Maximum Discharge Current | 1.0C (continuous, at 25±2℃; varies with temperature, see Operating
Temperature Range) |
| Standard Charge Voltage | 3.65V (max per cell, at 25±2℃) |
| Discharge Cut-off Voltage | 2.50V (0℃<T≤60℃); 2.00V (-20℃≤T≤0℃) |
| Internal Resistance (1KHz) | ≤0.25mΩ (fresh cell) |
| Weight | 5.56±0.3Kg |
| Dimensions | Thickness: 71.8±0.5mm (under 300±50Kgf pressure, 5%-40% SOC);
Width: 174.2±0.8mm; Height: 207.1±0.8mm |
| Self-discharge | ≤2% per month (after 3 months of shipment, stored at 25±2℃ with 40%
SOC) |
| Insulation Performance | Insulation resistance ≥1GΩ or insulation current ≤20mA (tested at
300±50Kgf pressure with 500±10V/1500±50V voltage) |
| Condition | Performance |
|---|
| High-temperature storage: 45±2℃, 100% SOC, 300±50Kgf preload for 30
days | ≥95% residual capacity |
| Cycle life: 25±2℃, 0.5C/0.5P charge/discharge, 300±50Kgf initial
pressure | 8000 cycles with ≥70% capacity retention (≥196Ah) |
The Energy Storage Battery exhibits stable discharge performance
across different temperatures:
- At 45℃: Discharge energy ≥896Wh (tested at 0.5P, 2.5V~3.65V).
- At 5℃: Discharge energy ≥716.8Wh (tested at 0.5P, 2.5V~3.65V).
Optimal performance is achieved within the 20~30℃ range.
| Type | Temperature Range | Maximum Charge Current (C) by Temperature* | Maximum Discharge Current (C) by Temperature* |
|---|
| Charging | 0℃~60℃ | 0℃/60℃: 0C; 2~5℃: 0.12C; 7~12℃: 0.30C; 15℃: 0.5C; 20~45℃: 1.0C;
50℃: 0.5C; 55℃: 0.5C | - |
| Discharging | -30℃~60℃ | - | -30℃: 0.2C; 5℃: 0.3C; 10℃: 0.5C; 15℃: 0.8C; 20~45℃: 1.0C; 50℃:
0.5C; 55℃: 0.5C; 60℃: 0C |
*Note: The charging/discharging rate between 55-60℃ follows a
linear relationship; other temperature ranges refer to the minimum
temperature rate.
Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
- Long-lasting durability: 8000 cycles with 70% capacity retention reduces replacement
frequency, making it ideal for large-scale Energy Storage Battery
systems.
- Broad temperature tolerance: Functions reliably in extreme cold (-30℃) and heat (60℃),
suitable for outdoor and industrial environments.
- Low self-discharge: Maintains capacity for extended periods, minimizing maintenance
needs.
- Enhanced safety: Requires a BMS to monitor voltage, current, and temperature,
preventing hazardous conditions.
- High energy density: Optimized design for efficient energy storage in limited spaces.
- Grid-scale energy storage systems
- Off-grid power solutions
- Backup power supplies for industrial facilities
- Renewable energy storage (solar, wind)
- Commercial energy management systems
A versatile Energy Storage Battery for stable and sustainable power
storage.
- Avoid short-circuiting the positive and negative terminals, as this
may cause overheating or fire.
- Do not overcharge (voltage >3.65V) or over-discharge (voltage
<2.00V), as this can permanently damage the battery.
- Prohibit reverse charging or exposure to mechanical shock,
collision, or excessive pressure.
- Use a qualified Battery Management System (BMS) to monitor and
control voltage, current, and temperature.
- Do not mix batteries with different part numbers in the same
system.
- Charging is prohibited below 0℃ or above 60℃; discharging is not
allowed beyond -30℃ or 60℃.
- Short-term storage (1 month): Temperature -30℃~45℃, SOC 25%~40%,
humidity ≤85%RH (no condensation).
- Long-term storage (6 months): Temperature -20℃~35℃, SOC 25%~40%.
- For storage exceeding 30 days, perform a full charge-discharge
every 3 months to maintain capacity.
- The battery must be used in accordance with this specification.
Improper use may result in performance issues or safety risks, and
no liability will be assumed for such cases.
- Specifications and performance parameters are subject to change
without prior notice. Users should confirm the latest details
before use.
- This document is for reference only; actual performance depends on
usage conditions.
Company Profile
Our Mission: Original Innovation, Power the Future!
As a high-tech enterprise specializing in the R&D and
manufacturing of lithium-ion batteries, sodium-ion batteries, and
solid-state batteries. Founded in 2020 in Shenzhen, China’s
innovation hub, we are driven by our core philosophy of "Original
Innovation & Development" , delivering sustainable,
high-performance energy solutions for global applications,
including consumer electronics, smart devices, electric vehicles,
and energy storage systems.
With dozens of proprietary patents, the accreditation of Guangdong
Provincial Eco-Friendly Lithium Battery Engineering Research
Center, and strategic collaborations with leading institutions like
National University of Singapore, Wuhan University, and Shenzhen
University, OiD continuously pushes the boundaries of battery
technology. Our products power critical infrastructure, including
high-speed rail energy storage, residential solar systems, and
defense projects, accelerating the global transition to clean
energy.
Key Strengths
- Original Innovation
- Core technologies in Li/Na-ion and solid-state batteries, backed by
inventions, utility models, and design patents.
- Joint R&D centers with top universities (e.g., Wuhan
University), enabling rapid commercialization of cutting-edge
research.
- End-to-End Energy Solutions
- 500+ customizable battery models for consumer electronics, EVs, and grid-scale storage.
- Superior performance: high energy density, fast charging, extended
cycle life, and extreme-temperature resilience
- Sustainability Commitment
- Eco-conscious materials (e.g., cobalt-free cathodes, solid
electrolytes) and processes to minimize environmental impact.
- Global Reach
- R&D Hubs: Shenzhen, Wuhan (university partnerships)
- Manufacturing: Automated production lines in Shenzhen
- Markets: Asia, Europe, North America
