Bluetti B300S Expansion Battery – 3072Wh LiFePO₄ | Compatible with Bluetti AC500 Power Station

Short Description

The Bluetti B300S Expansion Battery is a high-capacity 3072Wh LiFePO₄ battery module designed exclusively for the Bluetti AC500 Power Station. It offers extended runtime, long cycle life, and smart connectivity—providing safe, reliable, and sustainable backup power for home, off-grid, or mobile energy systems.

Key Features

• Massive 3072Wh Capacity: Expand your AC500 system’s storage to meet heavy-duty energy needs.

• Advanced LiFePO₄ Chemistry: Delivers exceptional safety, stability, and over 3,500 life cycles to 80% capacity.

• Plug-and-Play Expansion: Easily connects to the AC500 via included battery communication cable.

• Flexible Power Output: Includes USB-C (100W), USB-A (18W), and 12V DC ports for direct device charging.

• Smart Temperature Control: Features built-in self-heating for efficient performance in cold environments.

• Dual Charging Support: Recharge via AC500 inverter, solar panels, or AC adapter (500W Max).

• Intelligent Battery Management System (BMS): Protects against overcharge, over-discharge, short-circuit, and temperature fluctuations.

• Stackable Design: Connect up to six B300S modules to achieve a total capacity of 18,432Wh.

• Durable & Portable: Rugged construction with convenient handles for easy handling and setup.

Long Description

The Bluetti B300S Expansion Battery (3072Wh) is the powerhouse companion for the Bluetti AC500 Power Station, delivering scalable, efficient, and long-lasting energy storage. Built with premium LiFePO₄ cells, it guarantees superior safety and performance, providing over a decade of dependable service with 3,500+ charge cycles.

Its modular design allows you to expand your AC500’s total capacity up to 18.4kWh by connecting multiple B300S batteries—perfect for powering homes, off-grid setups, or business backup systems. The B300S also features smart temperature control with an integrated heating function, ensuring reliable performance even in cold climates.

With multiple DC output options (USB-C, USB-A, and 12V car port), the B300S can also function as a standalone power source for charging devices directly. Combined with the Bluetti App, users can monitor battery health, charge status, and power usage in real time via WiFi or Bluetooth connectivity.

The B300S is engineered for versatility, durability, and total energy independence—making it the ideal extension for any Bluetti AC500 energy system.

Applications

• Home energy backup expansion

• Off-grid and solar power systems

• RVs, campers, and outdoor adventures

• Emergency and disaster power support

• Commercial and workshop use

Specifications (Typical)

• Model: Bluetti B300S

• Battery Type: LiFePO₄ (Lithium Iron Phosphate)

• Battery Capacity: 3072Wh

• Cycle Life: 3,500+ cycles to 80% capacity

• DC Output Ports:

  • 1 × USB-C (100W PD)

  • 1 × USB-A (18W)

  • 1 × 12V/10A Car Port

• Charging Input: Up to 500W (via AC500 or T500 Adapter)

• Temperature Range:

  • Operating: −20°C to +40°C

  • Storage: −10°C to +45°C

• Compatibility: Bluetti AC500 Power Station

• Dimensions: 520 × 320 × 266 mm

• Weight: 36.1 kg

• Warranty: 4 Years