BLUETTI B300 Expansion Battery 3072 Wh | Official European Distributor

The BLUETTI B300 expansion battery offers a substantial 3,072 Wh capacity, designed to deliver reliable performance with over 3,500 cycles of life using high-quality LiFePO4 cells, maintaining up to 80% of its original capacity. It is compatible with BLUETTI AC200MAX, AC200P, and AC300, enabling you to double, triple, or even quadruple the total system capacity.

The B300 charges quickly with up to 200 W solar input via the integrated MPPT, and supports charging via AC, car, and lead-acid batteries (D050S required for car and lead-acid charging). It features versatile output ports including 100 W USB-C, 12 V / 10 A car port, and 18 W USB-A to power devices like smartphones, laptops, fans, and refrigerators.

Ideal for both home use and camping, the B300 serves as a dependable backup power source and power bank. Whether for family gatherings or outdoor adventures, the BLUETTI B300 ensures reliable and long-lasting power.

General

• Weight: 36.1 kg
• Dimensions: 52 x 32 x 26.6 cm
• Recommended Operating Temperature: -20 - 40 °C
• Certification: UL2743, UKCA, RCM, PSE, FCC, CE
• Warranty: 24 months

Battery Info

• Capacity: 3072 Wh
• Chemical Components: Lithium iron phosphate (LiFePO4)
• Charge Cycles: 3500 cycles at 80% capacity; 6000 cycles at 50% capacity
• Control System: BMS, over-voltage protection, short-circuit protection

Output Ports

• USB-A Output: 18 W
• USB-C Output: PD3.0 100 W
• Car Port: 12 V / 10 A

Inputs

• AC: 500 W Max
• Solar Input: 200 W (12 - 60 V), Max 10 A
• AC + Solar Input: 700 W
• Car Input: 12 / 24 V, 8.2 A

Charging Times

• AC Adapter: 6.6 - 7.1 hours
• Solar Panels (200 W): 16 - 17 hours
• Solar Panels (AC+): 4.7 - 5.2 hours
• 24 V Car Adapter: 17 - 18 hours