Freedom Won 1.28kWh lithium battery is a high-performance LiFePO₄ lithium battery designed for deep-cycle, long-life energy storage. Delivering 1.28 kWh of reliable power, it’s an ideal upgrade from lead-acid batteries for solar, off-grid, RV, marine, and backup power systems. With over 2,000 life cycles, advanced Battery Management System (BMS) protection, and lightweight ABS housing, it ensures safety, durability, and efficiency. The FW12-100 offers stable power output, low self-discharge, and excellent energy density — perfect for modern renewable and backup applications.
Key Features
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12.8 V nominal voltage, 100 Ah / 1.28 kWh capacity
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Long cycle life – over 2,000 cycles at 100 % DoD
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Advanced BMS for protection against overcharge, overdischarge, and short circuit
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High continuous discharge current (100 A) and 200 A surge output
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Lightweight, maintenance-free design with IP56 protection rating
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High energy efficiency (≥96 %) and low self-discharge (<3 %/month)
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Safe and eco-friendly LiFePO₄ chemistry
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Suitable for solar systems, RVs, boats, UPS, and telecom backup
Technical Data Table
| Parameter | Specification |
|---|---|
| Nominal Voltage | 12.8 V DC |
| Nominal Capacity | 100 Ah |
| Energy | 1.28 kWh |
| Internal Resistance | ≤ 20 mΩ |
| Cycle Life | > 2,000 cycles @ 100 % DoD |
| Charge Voltage | 14.0 – 14.6 V |
| Max Charge Current | 50 A |
| Continuous Discharge Current | 100 A |
| Peak Discharge Current | 200 A (3 s) |
| Cut-off Voltage | 8.0 V |
| Operating Temperature (Discharge) | −20 °C – 60 °C |
| Operating Temperature (Charge) | 0 °C – 45 °C |
| Self-Discharge | < 3 % per month |
| Protection | BMS – Overcharge, Overdischarge, Overcurrent, Short Circuit |
| Casing | ABS, IP56 |
| Dimensions (L×W×H) | 327 × 172 × 218 mm |
| Weight | 13.5 kg |
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