Bluetti B300K Expansion Battery 2764Wh for AC200 AC300 AC500

The Bluetti B300K Expansion Battery (MPN B300K) is the ideal solution for flexibly expanding your power supply. With a capacity of 2,764.8Wh, the B300K provides sufficient energy for a wide range of applications and easily adapts to your energy needs.

Thanks to its durable LiFePO4 technology and prismatic cells, the B300K delivers reliable performance in every situation. The integrated AI BMS technology ensures optimal protection and high efficiency. In addition, pass-through charging support allows simultaneous charging and discharging, so you can access a stable power source at any time.

Highlights - B300K expansion battery

• Enormous capacity of 2,764.8Wh
• Modular and expandable
• Extended service life with automotive-grade LiFePO4 battery
• 4-year worry-free warranty
• Wall mounting possible

Integrated USB-A port

Thanks to the integrated USB-A port, the B300K allows DC devices to be charged directly via USB. A combination with a power station is required for AC charging.

Compatibility

The B300K expansion battery is compatible with the AC200L, AC200MAX, AC300, and AC500 power stations. Together, they ensure fast charging times and simultaneous power supply to multiple devices, ideal for everyday use and outdoor activities. A separately available P090D to P150D cable is required to connect to the AC500.

Total capacity:

• AC200Max 1-1 .5 days: 7,577.6Wh max.
• AC200PL 1-1 .5 days: 7833.6Wh max.
• AC300 2-phase system 2 days: 22,118.4Wh max.
• AC500 2-phase system 3 days: 33,177.6Wh max.

When connected to the AC300 or AC500, the B300K charges to 80% in just 45 minutes. This fast charging time is particularly advantageous when you need to complete important work, activities, or emergencies without major interruptions.

Installation

The battery is easy to install, both for use at home and in motorhomes, and its efficient heat management ensures smooth operation even during intensive use thanks to heat dissipation.

Discharge

The B300K has an energy reserve that prevents over-discharging. This extends the battery's service life and ensures long-term performance.

Technical data

• Battery capacity: 2,764.8 Wh
• Battery type: LiFePO4
• Life cycles: 4000+ cycles
• max. charging current: 60A
• max. discharge current: 70A
• 2x expansion port: 58.4 VDC max., 90 A max.
• USB-A: 12W max., 5V / 2.4A
• Charging temperature: 0°C - +40°C
• Discharge temperature: -20°C to +40°C
• relative humidity: 5% to 95%
• Dimensions: 525 x 327 x 209 mm
• Weight: 29.5 kg

Scope of delivery:

1x Bluetti B300K expansion battery
1x P090A battery expansion cable