Overview
The Bluetti B300K Expansion Battery & USB/12VDC Power Station offers 2,764.8Wh capacity with over 4,000 life cycles, making it ideal for daily power needs or reliable backup during outages. Its automotive-grade LiFePO₄ battery provides extended lifespan and enhanced safety.
Core Features
Seamless Compatibility
Effortlessly integrates with Apex 300 power stations and other compatible models.
Maximize Your Power
Expand up to 58kWh when connected with Apex 300 for diverse energy needs.
Standalone Power Source
Charge essential devices anytime with the convenient USB-A port.
Power Expansion for Every Situation
The B300K adapts to your life, whether safeguarding your home during outages or powering off-grid adventures. Stack multiple B300K batteries or mix with B300 and B300S models for a customized energy solution.
Requires P150D to P090D cable for connection with AC500.
Great Compatibility
Integrates with AC200L, AC200MAX, AC300, and AC500 power stations, providing flexible energy scaling.
A P090D to P150D cable is required for AC500 connection (sold separately).
Built to Protect, Designed to Last
Features square LiFePO₄ batteries, AI-BMS technology, robust aluminum casing, advanced wireless components, and efficient cooling fan for reliable performance.
Fast Charging
When paired with AC300 or AC500, the battery charges up to 80% in just 45 minutes, minimizing interruptions to work, activities, or emergencies.
Standalone Power Source Performance
USB-A port allows charging smartphones, tablets, or fans, ensuring power availability wherever life takes you.
Battery Information
| Capacity | 2,764.8Wh (51.2V, 54Ah) |
| Type | LiFePO4 (Lithium Iron Phosphate) |
| Life Cycles | 4,000+ cycles to 80% capacity |
Output
| USB-A Port | 12W Max., 5V / 2.4A |
General
| Weight | 29.5kg |
| Dimensions (L × W × D) | 525 × 327 × 209mm |
| Charging Temperature | 0°C to 40°C |
| Discharging Temperature | -20°C to 40°C |
| Storage Temperature | Up to 1 month: -20°C to 40°C Up to 6 months: -20°C to 25°C |
| Working Humidity | 5% to 95% RH |
| Charging Current | 60A Max |
| Discharging Current | 70A Max |
| Expansion Ports | 2 × 58.4VDC Max., 90A Max |
What's Included
- B300K Expansion Battery
- Battery Expansion Cable (CA90 Short Cable)
- User Manual
- Barcode: 84166
- Supplier Code: B300K