Bluetti B300K Power Station Expansion Battery (2764.8Wh)

The Bluetti B300K Expansion Battery (2764.8Wh) is a high-capacity, modular energy storage add-on that significantly increases the runtime and versatility of your compatible BLUETTI portable power stations. With a substantial 2764.8Wh capacity, the B300K is ideal for home backup power, off-grid living, caravanning, camping, workshops and emergency preparedness, providing dependable energy storage whenever you need it.

Built using premium automotive-grade LiFePO₄ (Lithium Iron Phosphate) battery technology, the B300K delivers exceptional durability, safety and long-term performance. Intelligent AI Battery Management System (AI-BMS) technology continuously monitors battery performance to protect against overcharging, over-discharging, overheating and other potential faults, while the robust aluminium housing, integrated cooling system and wireless components ensure dependable operation in more demanding environments.

The B300K not only functions as an expansion battery but also as a convenient standalone power source. An integrated 12W USB-A output allows you to charge smartphones, tablets, portable fans and other USB-powered devices directly from the battery. The battery can be monitored and updated through the Bluetti App when connected to a compatible power station, allowing users to view battery status and install firmware updates with ease.

What's In The Box: 1x B300K Expansion Battery, P090A Battery Expansion Cable (800mm) & Documentation.

Compatibility: B300K can be used with the Bluetti AC300, AC500, AC200MAX and AC200L.

• 2764.8Wh battery capacity: Expands the runtime of compatible BLUETTI power stations
• LiFePO₄ battery technology: Delivers enhanced safety & over 4,000 charge cycles
• Expandable energy storage: Scale up to 16,588.8Wh with a compatible AC500 system
• AI Battery Management System: Protects the battery for safe, reliable everyday use
• Fast charging support: Reaches 80% charge in around 45 minutes with AC300 or AC500*
• Standalone USB-A output: Charge phones, tablets & other USB devices directly from the battery
• Robust aluminium housing: Built for long-lasting durability & reliable performance
• Modular battery design: Stack multiple batteries to suit your growing power requirements
• BLUETTI App compatible: Monitor battery status & firmware through a connected power station*
• Dimensions (L x W x H): 525mm x 327mm x 209mm | Net Weight (Approx.): 29.5kg

Technical Specifications:

• Model: B300K
• Battery Capacity: 2764.8Wh (51.2V, 54Ah)
• Battery Type: LiFePO₄ (LFP)
• 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
• Maximum Charging Current: 60A
• Maximum Discharging Current: 70A
• Expansion Ports: 2x Expansion Ports (58.4V DC Max., 90A Max.)
• USB-A Output: 5V / 2.4A (12W Max.)

*When connected to a compatible BLUETTI power station.

Code: P-B300K-EU-GY-BL-010

About Bluetti

Bluetti

Bluetti provides a range of smart home electrical products, including Portable Power Stations, Solar Generator Kits, and more, that ensure constant and reliable energy for households.

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