BLUETTI B300K, Compatible with AC500 Expansion Battery

BLUETTI B300K Expansion Battery: 2764.8Wh LiFePO₄ — For AC500

Modular power storage solution, fully compatible with the AC500 system, designed to extend usage time and provide scalable backup power.

⚠️ IMPORTANT NOTE:

• ✅ P090D-P150D cable included for direct connection to AC500.
• ✖️ P090A cable is only for AC200/AC300 systems (sold separately).
• Can work as a standalone battery with the built-in USB-A port.

Key Advantages

• High Capacity : 2764.8Wh (51.2V/54Ah)
• LiFePO₄ Technology: over 4,000 cycles (up to 80% capacity)
• Compatibility: AC500 system
• Maximum Expansion: 16.59kWh (6×B300K with AC500)
• Independent Output: USB-A 12W port (5V/2.4A)

Technical Specifications

Electrical Specifications

• Charging Current : max. 60A
• Discharging Current : max. 70A
• Expansion Ports : 2× (58.4V⎓90A)
• Fast Charging : 80% in 45 min (with AC500)

Physical & Environment

• Dimensions : 525 × 327 × 209 mm
• Weight : 29.5 kg
• Charging Temperature : 0°C to 40°C
• Discharging Temperature : -20°C to 40°C

Compatibility & Cabling

Model Included Cable Required Cable AC500 ✅ P090D-P150D -

Package Contents

• B300K Expansion Battery
• P090D-P150D Cable ×1
• Technical Documentation
• Warranty Card (3+1 years with registration)