BLUETTI AC300 + B300K Home Battery Backup – 3,000W Inverter, 2,764Wh LiFePO₄

The BLUETTI AC300 + B300K Home Battery Backup is a modular, expandable energy storage solution built for whole-home backup, off-grid power, and renewable energy integration. Featuring a 3,000W pure sine wave inverter (6,000W surge) and a 2,764Wh LiFePO₄ expansion battery, this system delivers reliable power with industry-leading cycle life and efficiency.

Designed for flexibility, the AC300 supports up to 22,118Wh capacity by pairing with multiple B300K or B300 expansion batteries. For large-scale backup, two AC300 units can be paired with a Fusion Box (P030A) to provide 240V split-phase output, making it suitable for heavy-duty appliances like air conditioners, heat pumps, and EV chargers.

Key Features

– High Power Output – 3,000W continuous pure sine wave inverter with 6,000W surge capacity.
– Expandable Storage – Pair with up to 4× B300K or B300 batteries (22,118Wh max).
– Split-Phase Ready – Two AC300 units deliver 240V for whole-home backup.
– Fast Recharge Options – 3,000W AC, 2,400W solar, dual AC (2,300W), or AC + solar for 5,400W combined input.
– Advanced Battery Chemistry – LiFePO₄ cells with 4,000+ cycles to 80% capacity.
– Versatile Ports – AC, DC, RV outlet, USB-C (100W), USB-A, wireless charging pads.
– Seamless UPS Protection – <20ms switching time keeps essentials running during outages.
– Smart App Control – Monitor and manage via BLUETTI App (WiFi & Bluetooth).
– Peak Load Shifting – Store power during off-peak hours, reduce energy costs.

Specifications

AC300 Power Station
– AC Output: 3,000W (6,000W surge)
– Solar Input: 2,400W (VOC 12–150VDC)
– Max Input: 5,400W (AC + Solar)
– Dimensions: 20.5 × 12.5 × 14.1 in (52 × 32 × 35.8 cm)
– Weight: 47.6 lbs (21.6 kg)
– App: WiFi & Bluetooth
– Warranty: 4 Years

B300K Expansion Battery
– Capacity: 2,764Wh (51.2V, 54Ah)
– Battery Type: LiFePO₄
– Life Cycles: 4,000+ to 80% capacity
– Outputs: USB-A 12W max
– Dimensions: 20.67 × 12.87 × 8.23 in (525 × 327 × 209 mm)
– Weight: 65 lbs (29.5 kg)

Included in Package

– BLUETTI AC300 Power Station
– BLUETTI B300K Expansion Battery
– Expansion & Charging Cables
– User Manuals

User Manuals
– AC300 Portable Power Station Manual (PDF)
– B300K Expansion Battery Manual (PDF)

Warranty
The BLUETTI AC300 + B300K is backed by a 4-year manufacturer’s limited warranty for home backup systems. Portable stations and accessories carry warranties ranging from 24 to 72 months, depending on the product category. Warranty coverage requires proof of purchase from an authorized retailer.