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
15 kWh nominal energy, 12 kWh usable at 80 % DoD.
Nominal voltage: 52 V (minimum 47 V, maximum 56 V) for compatibility with 48 V systems.
High discharge capability: up to 24 kW peak, 15 kW continuous.
High charge rate: up to 15 kW max / corresponds to 300 A at nominal voltage.
Integrated BMS protection: over-current, over/under voltage, temperature, weak cell detection, SOC control.
Scalable via CAN-bus / RJ45 interface; compatible with parallel battery systems.
Sleek aluminium indoor enclosure (745 × 490 × 290 mm), weighs ~130 kg.
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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