Freedom Won 40kWh Lithium Battery is a commercial-grade 52 V (nominal) LiFePO₄ energy storage system with 40 kWh total capacity and 32 kWh usable at 80% depth of discharge (DoD). Designed for business, large residential or light industrial solar systems, it offers high discharge/charge capability, advanced battery management system (BMS) protection and a durable indoor-rated aluminium enclosure. With compatibility for 48 V inverter systems and strong cycle life performance, it presents a reliable solution for heavy-duty energy storage and backup power applications.
Freedom Won 40kWh Lithium Battery Key Features
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40 kWh total capacity, 32 kWh usable at 80% DoD
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52 V nominal voltage (min 47 V, max 56 V) – suited for 48 V inverter systems
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High continuous discharge: 30 kW; peak discharge: 38 kW
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Max/continuous charge capability: 30 kW
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Robust protection: integrated BMS with over-current, under/over-voltage, temperature, weak cell detection, minimum SoC control
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CAN-bus / RJ45 interface for system monitoring & communication
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Indoor-rated aluminium enclosure, IP20 protection for wall or floor mounting in sheltered environment
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Long expected service life: >16 years at 80% DoD; supported by 10-year warranty
Technical Data Table
| Parameter | Specification |
|---|---|
| Total Energy Capacity | 40 kWh |
| Usable Energy (80% DoD) | 32 kWh |
| Usable Energy (90% DoD) | 36 kWh |
| Current Capacity | 800 Ah |
| Max & Continuous Charge Current | 600 A |
| Max & Continuous Charge Power | 30 kW |
| Max Discharge Current | 750 A (max) / 600 A (cont) |
| Max & Continuous Discharge Power | 38 kW / 30 kW |
| Nominal Voltage | 52 V (Min 47 V – Max 56 V) |
| Max Recommended Inverter Rating | 25 kVA continuous |
| Short Circuit Current | 15 kA |
| Dimensions (H × W × D) | 1300 × 522 × 370 mm |
| Weight | 326 kg |
| Enclosure | Aluminium, indoor use, rated IP20 |
| Warranty | 10 years or 6,000 cycles @ 80% DoD |
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