BLUETTI B300K Expansion Battery Lithium Iron Phosphate Expansion Battery

Compatible with: AC200L, AC200MAX, AC300, AC500, Apex300 

Manufacturer Part Number: B300K

Buy the AC500 + B300K Combo

Unlock powerful backup and off-grid energy with the BLUETTI B300K Expansion Battery. Offering 2,764.8Wh of durable LiFePO4 storage (4,000+ cycles), it pairs seamlessly with BLUETTI AC200L, AC200MAX, AC300, and AC500 power stations. Stack multiple units for up to 16,588Wh capacity. Built for longevity and flexibility, the B300K even features a USB-A port for quick device charging.

Key Features & Benefits:

• Massive 2,764.8Wh LiFePO4 Capacity: Provides substantial energy storage for extended power backup, off-grid living, and various high-demand applications.
• Exceptional Durability (4,000+ Life Cycles): Built with automotive-grade LiFePO4 battery cells for superior longevity and consistent performance over thousands of charge cycles.
• Seamless BLUETTI Integration: Compatible with BLUETTI AC200L, AC200MAX, AC300, and AC500 power stations for scalable energy solutions.
• Flexible Expansion: Easily stack multiple B300K units or mix with other compatible BLUETTI battery packs (like B230, B300, B300S) to customize your total power capacity.
• Built-in USB-A Output: Functions as a standalone power bank with a 12W USB-A port for charging small devices directly.
• Robust & Safe Design: Features square LiFePO4 batteries, advanced AI-BMS (Battery Management System) technology, and a durable aluminum casing with an efficient cooling fan for enhanced safety and reliability.
• Rapid Charging Capable: When paired with AC300 or AC500, the B300K can charge up to 80% in just 45 minutes (with an appropriate 30A charging cable).
• Wide Operating Temperature Range: Designed to perform in diverse climates, with discharge temperatures from -20°C to 40°C (-4°F to 104°F).
• 3+1 Year Extended Warranty: Enjoy peace of mind with BLUETTI's comprehensive warranty.

Ideal for:

• Home Backup Power: Keep essential appliances running during power outages.
• RV & Van Life: Extend your off-grid adventures with abundant portable power.
• Outdoor & Camping: Power all your gear, from lights to mini-fridges.
• Worksite Power: Run tools and equipment where grid power isn't available.
• Emergency Preparedness: A vital component for disaster readiness kits.

Expand your energy horizons with the BLUETTI B300K Expansion Battery. Invest in reliable, scalable, and long-lasting power today!

About BLUETTI:

BLUETTI builds next-generation energy solutions for off-grid power, home backup, and mobile applications—trusted globally for their advanced battery technology, safety, and performance.

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As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers. Our promise is to get you the fairest price from the best brands that offer warranties you can count on. We are updating our inventory daily with solar components that offer the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.

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