BLUETTI B300K Expansion Battery 3072Wh LiFePO4 for AC500 - Grey P-B300K1-EU-GY-20

Power outages and off-grid adventures demand more than a single power station can provide. The BLUETTI B300K Expansion Battery adds 3072Wh of LiFePO4 capacity to your AC500 system, keeping essential appliances running longer without recharging.

Who is it for

Homeowners seeking backup power for refrigerators, medical devices, or home offices during outages, and outdoor enthusiasts who need extended energy for camping, RVs, or remote work sites. It pairs directly with the BLUETTI AC500 power station.

Main features

• 3072Wh capacity (51.2V, 60Ah) with LiFePO4 cells for 3,500+ cycles to 80% capacity.
• Multiple outputs: 1x USB-C 100W, 1x USB-A 18W, 1x 12V/10A car port, 1x 24V/10A aviation port for AC500 connection.
• Wide operating temperature range from -20°C to 40°C.
• Built-in BMS with over-voltage, low-voltage, over-current, short-circuit, and over-temperature protection.
• Durable PC+ABS and aluminum alloy enclosure.

Specifications

• Battery capacity: 3072Wh
• Nominal voltage: 51.2V
• Cell type: LiFePO4
• Life cycles: 3,500+ to 80% capacity
• USB-C output: 100W max
• USB-A output: 18W max
• Car port output: 12V/10A
• Aviation output: 24V/10A
• Max DC input: 12-150V, 10A (500W max)
• Operating temperature: -20°C to 40°C
• Management system: BMS, over-voltage, low-voltage, over-current, short-circuit, over-temp protection
• Compatibility: BLUETTI AC500 (primary), AC300 via D050S
• Enclosure material: PC+ABS, aluminum alloy

Tips

For maximum runtime, connect multiple B300K units to your AC500. Keep the battery in a dry, ventilated area and avoid prolonged exposure to extreme temperatures to extend its lifespan.