12.8V 314Ah LiFePO4 Battery
LEADMAX 314Ah lithium battery delivers class-leading capacity and runtime for demanding energy applications. Designed for high-load use, it provides over 4 kWh of usable energy in a compact, reinforced module.
The metal enclosure offers excellent mechanical strength, while the integrated display allows real-time monitoring of voltage, remaining capacity, and operating status.
This battery is well suited for off-grid systems, special-purpose vehicles, mobile construction sites, and residential energy storage. Its form factor is optimized for under-seat installation in Ducato and similar vehicles, making it a practical choice where space and reliability matter.
Technical Specifications
| Nominal Voltage | 12.8 V |
|---|---|
| Nominal Capacity | 314 Ah |
| Nominal Energy | 4019 Wh |
| Internal Resistance | ≤ 30 mΩ @ 50% SOC |
| Self-Discharge | < 3% per month |
| Cell Chemistry | LiFePO₄ |
| Recommended Charge Current | 50 A |
| Maximum Charge Current | 200 A |
| Recommended Charge Voltage | 14.6 V |
| Charge BMS Cut-off | < 15.4 V (0.5–1.5 s) |
| Cell Balancing Activation | < 14.4 V |
| Continuous Discharge Current | 150 A |
| Peak Discharge Current | 200 A |
| Overcurrent BMS Cut-off | 210 A (±5 A) |
| Low Voltage Disconnect (LVD) | 11 V |
| Discharge BMS Cut-off Voltage | 10.4 V |
| Discharge | -20°C to +60°C |
| Charge | 0°C to +45°C |
| Storage | -5°C to +35°C |
| High Temperature BMS Cut-off | 75°C |
| Dimensions (L × W × H) | 270 × 305 × 190 mm |
| Weight | 30 kg |
| Terminals | H8 (torque 9–11 Nm) |
| Enclosure Material | Metal |
| Display | Integrated |
Product Advantages
314Ah in a single 12V battery minimizes parallel connections and improves system reliability.
Delivers 5–10× the lifespan of conventional lead-acid batteries.
Much lighter than equivalent lead-acid battery banks, easing installation and load constraints.
Up to 95% charge/discharge efficiency with minimal energy loss.
Excellent thermal stability for reliable operation in demanding environments.
Explore Leadmax
Lithium Battery Manufacturing Excellence
Factory Direct Manufacturer
Scalable Production Capacit
OEM & ODM Customization
Quality & Compliance
- Grade A LiFePO4 cells
- 100% functional testing
- Aging & performance verification
- UN38.3 / MSDS available
- CE & IEC options on request
Contact Leadmax
Have questions or need a custom battery solution? The Leadmax team is here to help. We’ll get back to you within 24 hours.
