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home > Bluetti B300K 2,764.8Wh 48V Portable Expansion Battery > Bluetti B300K 2,764.8Wh 48V Portable Expansion Battery

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Bluetti B300K 2,764.8Wh 48V Portable Expansion BatteryVersatile Power for Every Need The B300K is your ultimate energy companion, providing seamless power whether you're securing your home during outages or embarking on an off grid adventure. Its modular design allows you to stack multiple B300K batteries or combine them with B300 and B300S models for a tailored energy solution. Stay powered up wherever life takes you, with confidence and ease. *Requires P150D to P090D cable for connection with AC500.

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The Bluetti B300K 2,764.8Wh 48V Portable Expansion Battery’s modular design and 12W USB-A port are shown powering a light, phone, and laptop, with mountains in the background.

Versatile Power for Every Need

The B300K is your ultimate energy companion, providing seamless power whether you're securing your home during outages or embarking on an off-grid adventure. Its modular design allows you to stack multiple B300K batteries or combine them with B300 and B300S models for a tailored energy solution. Stay powered up wherever life takes you, with confidence and ease. *Requires P150D to P090D cable for connection with AC500.

Flexible Compatibility for Expanding Power

Unlock limitless possibilities with the B300K, which integrates effortlessly with AC200L, AC200MAX, AC300, and AC500* power stations. Whether you're scaling up your home power system or prepping for outdoor adventures, this battery adapts to your growing energy needs. *P090D to P150D cable sold separately for AC500 connections.

Three Bluetti stacks are shown side by side, each featuring the AC500 with either B300 (3,072Wh), B300K (2,764.8Wh), or B300S modules below, illustrating a modular energy solution with their Wh capacities clearly labeled. Three Bluetti power stations with Bluetti B300K 2,764.8Wh 48V Portable Expansion Batteries appear on a light blue background, highlighting modular design with total capacities of 11,059.2Wh, 22,118.4Wh, and 11,673.6Wh for flexible energy needs.

Engineered for Safety and Durability

The B300K is built to last, featuring square LiFePO₄ batteries, advanced AI-BMS technology, and a sturdy aluminum casing. Combined with cutting-edge wireless components and a high-efficiency cooling fan, this battery ensures long-term reliability and peace of mind in any scenario.

Rapid Charging, Anytime

Paired with the AC300 or AC500, the B300K charges to 80% in just 45 minutes, so you can focus on what matters most without delays. Whether you're at home or on the move, quick power is always at your fingertips.

A Power Hub with Standalone Performance

More than just an accessory, the B300K serves as a reliable power hub with a built-in USB-A port for charging devices like smartphones, tablets, or fans. Whether you're making an urgent call, sharing memories, or staying cool in your tent, the B300K ensures you're always connected and powered up wherever your journey leads.

Collage featuring Bluetti power stations with modular B300K—2,764.8Wh 48V expansion battery—for flexible energy: up to 33,177.6Wh max, fast 45-min charge, 4,000+ cycles, LiFePO₄ cells, 3-year warranty & mix-and-match compatibility.

Specifications

Model	B300K
Battery Capacity	2,764.8Wh (51.2V, 54Ah)
Battery Type	LiFePO₄ (Lithium Iron Phosphate)
Life Cycles	4,000+ (80%)
USB-A Port	12W Max., 5V / 2.4A
Capacity	2,764.8Wh
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. (Current may decrease outside specified temperatures)
Discharging Current	70A Max.
2 × Expansion Port	58.4VDC Max., 90A Max.
Warranty	3+1 Years
Compatibility	AC200L, AC200MAX, AC300, AC500

Diagram showing the Bluetti B300K 2,764.8Wh 48V Expansion Battery connecting to AC300, AC200L, AC200Max, and AC500 using P090A, P090D, P090A-P090D, and PO50A cables for flexible energy solutions.

What's in the Box

Items included: one Bluetti B300K 2,764.8Wh 48V Portable Expansion Battery, one coiled Battery Expansion Cable (P090A) with connectors, and one white User Manual—all from Bluetti.

Additional Documentation

Bluetti B300K Expansion Battery User Manual

Bluetti B300K 2,764.8Wh 48V Portable Expansion Battery

Name: Bluetti B300K 2,764.8Wh 48V Portable Expansion Battery
Brand: www.msgmotorrad.de
SKU: 15323465373
Price: 624.50 USD
Availability: InStock
Rating: 4.5301 (1711 reviews)