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BLUETTI B300K Expansion Battery

BLUETTI B300K Expansion Battery

SKU: PB-300K-UN-GY-BL-010

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Price: $1,199.00
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List Price: $1,299.00
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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

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