Portable Electric Supply B300K
Expansion Battery +2764.8Wh

+2764.8Wh Portable Electric Supply Expansion Battery for Bluetti Apex 300

Easily boost the autonomy of your Bluetti power station with the +2764.8Wh Portable Electric Supply. Compact, robust, and designed for the Apex 300, it extends your off-grid sessions without interruption.

The perfect companion for the B300K on extended road trips: pair with 2x 350W solar panels to power all your needs without compromise.

The Apex 300 portable battery generator accepts the B300K extension, doubling your field autonomy.

What is a Portable Electric Supply Expansion Battery?

A portable electric supply expansion battery increases the electrical capacity of a power station like the Apex 300. It connects quickly, without tools, to provide more hours of power, even without access to the grid.

Perfect for camping or remote areas, this backup battery ensures extended autonomy for all your devices.

Technical Specifications

Capacity and Performance

• Capacity: 2,764.8 Wh (51.2 V / 54 Ah) — ideal for extending daily use.
• Technology: LiFePO4 battery.
• Lifespan: Over 4,000 cycles at 80% capacity.

Connections and Outputs of the Portable Electric Supply

• USB-A: 1 port 5 V / 2.4 A (12 W max), perfect for phones or lamps.
• Extension Ports: 2 × 58.4 VDC, 90 A max — designed for connection with the Apex 300.

Reliability and Durability

• Lifespan: Up to 10 years with normal use.
• Charging Temperature: 0 °C to 40 °C.
• Discharge Temperature: -20 °C to 40 °C.
• Operating Humidity: 5% to 95% RH — suitable for humid or dusty environments.

Design and Portability

• Weight: 29.5 kg, compact and easy to carry for its capacity.
• Dimensions: 525 × 327 × 209 mm.
• Charging Current: Up to 60 A max.
• Discharge Current: Up to 70 A max.

Description of the Portable Electric Supply

Boost the power of your Bluetti Apex 300 power station with this portable electric supply expansion battery. It’s designed for those needing extra autonomy, whether camping, in a van, or in an off-grid cabin.

Ideal Solution for Camping and Overlanding

It easily extends the energy needed for your rooftop tents, fridges, lights, tools, or pumps. Take it along for long road trips without compromising comfort.

Perfect for Vans and Remote Cabins

Combined with the Apex 300, this additional portable battery generator ensures multi-day autonomy. Ideal for staying connected and powered, even in remote areas.

Simple and Instant Connection

Connect it in seconds to your power station via the designated ports. No complex setup or tools required. Its connection with the Apex 300 is easy and secure.

Reliable, Durable, and Cost-Effective

With LiFePO4 technology and over 4,000 guaranteed charge and discharge cycles, it will support you for years while withstanding weather challenges.

Order now the +2764.8Wh Portable Electric Supply and give your Apex 300 the autonomy it deserves for all your adventures!