Short Description
The B300K is a high-capacity LiFePO₄ expansion battery designed to supercharge your power ecosystem. With 2,764.8Wh of capacity, long cycle life, and broad compatibility, it’s the building block for multi-day backup and off-grid independence. Works seamlessly with the Apex 300 and other high-capacity stations.
Teaching Note
The B300K is the “fuel tank” of your power setup. Each unit adds nearly 2.8 kWh of runtime, and you can stack up to 6 units per Apex 300, scaling to over 16.6 kWh per system — or even higher with multiple stations.
| Spec Details | |
|---|---|
| Battery Capacity | 2,764.8Wh (51.2V / 54Ah) |
| Battery Type | LiFePO₄ (Lithium Iron Phosphate) |
| Cycle Life | 6,000+ cycles (to 80% capacity) |
| USB-A Port | 12W max, 5V / 2.4A |
| Expansion Ports | 2×, 58.4VDC max, 90A |
| Charging Current | Max 60A |
| Discharging Current | Max 70A |
| Weight | 29.5 kg (65 lbs) |
| Size | 20.67 × 12.87 × 8.23 in (52.5 × 32.7 × 20.9 cm) |
| Working Humidity | 5%–95% RH |
| Charging Temp. | 0°C to 40°C (32°F to 104°F) |
| Discharging Temp. | –20°C to 40°C (–4°F to 104°F) |
| Storage Temp. | –20°C to 25°C (up to 6 months) |
| Certifications | FCC, UL, CE, etc. |
| Warranty | 3+1 Years |