BLUETTI B300K Expansion Battery
BLUETTI B300K Expansion Battery
SKU: PB-300K-UN-GY-BL-010
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- Price: $1,199.00
- Regular price
- List Price: $1,299.00
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- Price: $1,199.00
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Description
Sold Out - Recommend B300K2 - SKU P-B300K2-UN-GY-BL-010
Power Up Without Limits — Wherever Life Takes You
The Bluetti B300K Expansion Battery delivers unmatched flexibility and power—at home or off-grid. Whether you're riding out a blackout or exploring the outdoors, this high-capacity battery ensures you stay connected and in control. Stack it, pair it, or use it solo—the choice is yours.
Features & Benefits:
Massive 2,764.8Wh Capacity
Handle daily power demands or emergency outages with ease.
Modular Power Expansion
Stack multiple Bluetti B300K Expansion Battery units or mix with B300/B300S models for a fully customized energy solution.
Automotive-Grade LiFePO₄ Battery
Built to last with 4,000+ life cycles and advanced safety for long-term peace of mind.
Seamless Compatibility
Effortlessly connects with BLUETTI AC200L, AC200MAX, AC300, and AC500 power stations. (Note: AC500 connection requires a P150D to P090D cable.)
Scalable Energy Storage
Expand your setup to an incredible 33,177.6Wh when paired with the AC500—ideal for home backup or mobile living.
Reliable Warranty Coverage
Backed by a 3+1 year warranty for extra confidence and support.
Standalone Charging Options
Use the USB-A port to power essentials even without a power station—perfect for grab-and-go energy needs.
Specifications
Bluetti B300K Expansion Battery – Technical Specifications
Category | Specification |
---|---|
Model | B300K |
Battery Capacity | 2,764.8Wh (51.2V, 54Ah) |
Battery Type | LiFePO₄ (Lithium Iron Phosphate) |
Life Cycles | 4,000+ cycles to 80% capacity |
Output
Port Type | Specification |
---|---|
USB-A Port | 12W Max., 5V / 2.4A |
Capacity | 2,764.8Wh |
General Info
Item | Specification |
---|---|
Weight | 29.5kg (65.04lbs) |
Dimensions (L × W × H) | 52.5 × 32.7 × 20.9cm (20.67 × 12.87 × 8.23in) |
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 decrease outside temperature range) |
Discharging Current | 70A Max. |
Expansion Ports | 2 × Ports – 58.4VDC Max., 90A Max. |
Warranty | 3+1 Years |




