Bluetti Apex300 + B500K Battery Pack

BLUETTI APEX 300 + B500K HOME BATTERY BACKUP SYSTEM

The Next Generation of Modular High-Voltage Power

The BLUETTI Apex 300 paired with the B500K expansion battery represents the cutting edge of 2026 residential and mobile energy storage. Unlike its predecessors, the Apex 300 is a “hybrid” head unit: it features a high-density internal 2,764.8Wh battery while maintaining the modular expandability that BLUETTI is famous for. This combination with the 5,120Wh B500K unit delivers a massive 7,884.8Wh of initial storage. Engineered with a revolutionary split-phase inverter, it can output both 120V and 240V simultaneously without a separate fusion box, making it the most versatile unit for powering heavy-duty appliances, whole-home backups, or advanced RV setups.

Key Features

• Internal + Modular Hybrid Design: The Apex 300 is functional out of the box with its built-in capacity, but the addition of the B500K more than triples your runtime. It is the first system designed to grow effortlessly from a portable unit to a 100kWh whole-home fortress.

• Built-in 240V Split Phase: No more extra boxes. The Apex 300 features a native NEMA 14-50R port, allowing you to run high-voltage items like well pumps, dryers, or EV chargers directly from a single station.

• Massive 3,840W Output: With a continuous 3,840W output and a 7,680W “Lifting Power” mode, the Apex 300 handles high-surge appliances with ease, while the 12kW bypass capacity allows it to manage heavy grid-tied loads effortlessly.

• Next-Gen B500K Storage: The B500K battery is a high-density 5,120Wh LiFePO4 block. It is rated for an incredible 6,000+ cycles, meaning it can provide daily power for over 15 years while maintaining 80% of its original health.

• Ultra-Fast 3,840W Turbo Charging: Utilizing “TurboBoost” technology, the combined system can charge from 0% to 80% in just 45 minutes, ensuring you are ready for the next storm or travel leg in record time.

• Superior Solar Intake: The system features dual MPPT controllers accepting up to 2,400W of solar. With the optional SolarX 4K accessory, this can be boosted to a market-leading 6,400W, enabling complete energy independence.

• MIL-STD-810G Durability: The Apex series is built to endure, featuring military-grade shock and vibration resistance, making it as reliable on a rugged overlanding trip as it is in your garage.

Technical Specifications