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BLUETTI B300K2 Expansion Battery | 2764.8Wh | Battery For Apex 300
$949.00
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Description
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Why Buy From Us
The BLUETTI B300K2 Expansion Battery is designed to extend the energy capacity of compatible BLUETTI power stations, including the AC300, AC500, and APEX 300 models. It provides an additional 2,764.8Wh of storage, supporting a wide range of energy needs from daily use to backup power during outages.
With its integrated USB-A output, the unit can also function independently to charge small devices such as smartphones, tablets, and other USB-powered equipment. The stackable design allows for flexible system expansion, enabling users to scale their energy setup according to their requirements.
The battery uses LiFePO₄ (Lithium Iron Phosphate) technology, offering long cycle life and stable performance. Its durable construction and built-in battery management system support safe and reliable operation across different environments.
Important compatibility notes:
- To connect to AC500, P150D to P090D cable and CA90 short cable are required
- To connect to AC300, P090A long cable and CA90 short cable are required
- These cables are no longer manufactured and are not available for purchase
Features
- Provides 2,764.8Wh additional energy capacity for compatible systems
- Compatible with AC300, AC500, and APEX 300 power stations
- Integrated USB-A port for direct device charging
- LiFePO₄ battery chemistry with over 4,000 charge cycles
- Stackable design for scalable energy storage solutions
- Built-in battery management system for operational safety
- Durable aluminum casing for improved reliability
- Supports expansion up to 33,177.6Wh when used with AC50
Specifications
- Model: B300K2
- Battery Capacity: 2,764.8Wh (51.2V, 54Ah)
- Battery Type: LiFePO₄ (Lithium Iron Phosphate)
- Cycle Life: 4,000+ cycles (to 80% capacity)
- USB-A Output: 12W Max., 5V / 2.4A
- Total Capacity: 2,764.8Wh
- Weight: 29.5kg (65.04lbs)
- Dimensions (L×W×H): 52.5 × 32.7 × 20.9 cm (20.67 × 12.87 × 8.23 in)
- Charging Temperature: 0°C to 40°C (32°F to 104°F)
- Discharging Temperature: -20°C to 40°C (-4°F to 104°F)
- Storage Temperature: Up to 1 month: -20°C to 40°C (-4°F to 104°F) Up to 6
- months: -20°C to 25°C (-4°F to 77°F)
- Working Humidity: 5% to 95% RH
- Charging Current: 60A Max (may reduce outside optimal temperatures)
- Discharging Current: 70A Max
- Expansion Ports: 2 × Ports, 58.4VDC Max., 90A Max
- Compatibility: AC300, AC500, APEX 300
Manuals
User Manual included - Click here to download
Warranty
3-year manufacturer warranty covering defects in materials and workmanship
Key Specs
- Capacity: 2764.8Wh
- Battery Chemistry: LiFePO4
- Compatible Systems: AC300, AC500, APEX 300
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