BLUETTI 2× B300K Expansion Batteries (2,764.8Wh Each) | Apex 300 Compatible | Scalable Backup Power | LiFePO₄
Double the backup. Perfect for Apex 300 systems. The BLUETTI 2× B300K bundle delivers a combined 5,529.6Wh of energy to expand the Apex 300 Power Station. Designed specifically for Apex 300 users, each battery provides 2,764.8Wh of high-capacity, automotive-grade LiFePO₄ power with 6,000+ life cycles, ensuring reliable, safe, and long-lasting energy for home backup, RV use, or off-grid adventures. Easily stack or pair these batteries to customize your Apex 300 system, giving you scalable power for partial-home, whole-home, or extended off-grid backup.
Key Features
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High-Capacity Modular Storage (2×2,764.8Wh = 5,529.6Wh): Perfectly tailored for the Apex 300, these two batteries double your runtime and keep essential devices and appliances powered during outages.
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Apex 300–Optimized LiFePO₄ Battery Technology: Advanced automotive-grade cells deliver long lifespan, enhanced safety, and thermal stability, ensuring consistent performance over thousands of cycles.
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Seamless Apex 300 Compatibility: Specifically designed to integrate with the Apex 300, delivering stable communication, fast charging, and reliable system performance.
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Scalable Energy Expansion: Stack multiple B300K units, or combine with B300 and B300S batteries to scale your Apex 300 system up to 33,177.6Wh, creating a flexible, future-proof energy solution.
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Fast Charging & Standalone Power: Charge up to 80% in 45 minutes when paired with Apex 300. USB-A port allows independent charging for phones, tablets, or other essential devices.
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Built to Last & Protect: Features square LiFePO₄ cells, AI-BMS technology, robust aluminum casing, wireless internal components, and an efficient cooling system for long-term reliability and safety.
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3+1 Year Warranty: Extended coverage ensures peace of mind for your Apex 300 expansion setup.
Applications
- Home Backup & Emergency Power with Apex 300
- RV & Van Life Power Expansion
- Off-Grid Cabins, Studios, & Outdoor Living
- Disaster Preparedness & Extended Outages
- Scalable Modular Energy Systems
Why Choose the BLUETTI 2× B300K for Apex 300?
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Double the Runtime for Apex 300: Expand your Apex 300 system with a combined 5,529.6Wh, keeping essentials powered longer during storms, outages, or off-grid adventures.
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Customizable & Scalable: Stack or mix with other B-series batteries for a flexible setup that grows with your energy needs.
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Standalone & Integrated Use: Works as an expansion for Apex 300 or independently powers devices via USB-A ports.
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Fast, Safe, and Long-Lasting: Rapid charging, robust safety features, and long-life LiFePO₄ chemistry ensure reliable energy when you need it most.
What’s Included
- 2 × BLUETTI B300K Expansion Batteries (2,764.8Wh Each)
- 2 × CA90* Battery Connection Cable
- 2 × User Manual & Warranty Documentation
- Optimized for Apex 300 systems. P090D to P150D cable required for AC500 connection (sold separately).
