BLUETTI B300K Expansion Battery | Apex 300 Compatible | Scalable Backup Power | LiFePO₄
Reliable, high-capacity energy for Apex 300 systems. The BLUETTI B300K is a 2,764.8Wh LiFePO₄ expansion battery designed to extend your Apex 300 Power Station. With automotive-grade cells and 6,000+ life cycles, it delivers safe, long-lasting, and dependable power for home backup, RV use, or off-grid adventures. Stack multiple units to customize your system for partial-home, whole-home, or extended off-grid backup.
Key Features
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High-Capacity Modular Storage (2,764.8Wh): Perfectly complements the Apex 300, extending runtime for essential devices during outages.
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Apex 300-Optimized LiFePO₄ Technology: Automotive-grade cells provide long lifespan, enhanced safety, and thermal stability over thousands of cycles.
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Seamless Apex 300 Compatibility: Integrates with Apex 300 for stable communication, fast charging, and reliable system performance.
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Scalable Energy Expansion: Stack multiple B300K units or combine with B300/B300S batteries to scale up to 33,177.6Wh.
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Fast Charging & Standalone Power: Charges up to 80% in 45 minutes with Apex 300. USB-A port allows independent device charging.
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Built to Last & Protect: Square LiFePO₄ cells, AI-BMS technology, aluminum casing, wireless internal components, and efficient cooling ensure long-term reliability.
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3+1 Year Warranty: Extended coverage provides 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 B300K for Apex 300?
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Extend Your Runtime: Add 2,764.8Wh for longer power during storms, outages, or off-grid adventures.
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Flexible & Scalable: Stack or mix with other B-series batteries to grow your system as energy needs increase.
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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 Reliable: Rapid charging, robust safety features, and long-life LiFePO₄ chemistry ensure dependable energy anytime.
What’s Included
- 1 × BLUETTI B300K Expansion Battery
- 1 × CA90 Battery Connection Cable
- 1 × User Manual & Warranty Documentation
