Freedom Won 15kWh lithium battery is a high-performance 52 V LiFePO₄ battery delivering 15 kWh total capacity (≈12 kWh usable at 80 % depth of discharge). Tailored for residential solar and energy storage installations, this unit features a nominal 52 V system (suitable for 48 V inverter systems), advanced thermal & electrical protections via its integrated BMS, CAN-bus / RJ45 communications, and a robust aluminium enclosure. With long life (>16 years), high cycle count and full 10-year warranty, it offers safe, efficient and scalable energy storage for home or light commercial use.
Freedom Won 15kWh lithium battery Key Features
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15 kWh nominal energy, 12 kWh usable at 80 % DoD.
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Nominal voltage: 52 V (minimum 47 V, maximum 56 V) for compatibility with 48 V systems.
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High discharge capability: up to 24 kW peak, 15 kW continuous.
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High charge rate: up to 15 kW max / corresponds to 300 A at nominal voltage.
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Integrated BMS protection: over-current, over/under voltage, temperature, weak cell detection, SOC control.
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Scalable via CAN-bus / RJ45 interface; compatible with parallel battery systems.
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Sleek aluminium indoor enclosure (745 × 490 × 290 mm), weighs ~130 kg.
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Long service life: >16 years expected, backed by 10-year warranty or 4,000 cycles at 80 % DoD.
Technical Data Table
| Parameter | Specification |
|---|---|
| Total Energy Capacity | 15 kWh |
| Usable Energy (80 % DoD) | 12 kWh |
| Nominal Voltage | 52 V (min 47 V / max 56 V) |
| Current Capacity | 300 Ah |
| Max/Continuous Discharge Current | 480 A / 300 A |
| Max/Continuous Discharge Power | 24 kW / 15 kW |
| Max/Continuous Charge Current | 300 A / |
| Max/Continuous Charge Power | 15 kW / |
| Max Recommended Inverter (Continuous) | 15 kVA |
| Dimensions (H × W × D) | 745 × 490 × 290 mm |
| Weight | 130 kg |
| Warranty | 10 years or 4,000 cycles (80 % DoD) |
| Expected Service Life | >16 years at 80 % DoD |
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