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Bluetti B500 Expansion Battery – 4,960Wh Capacity, Lifepo₄ Technology, Seamless Integration with EP800 & EP900 Systems
Expand your home’s energy storage with the Bluetti B500 Expansion Battery, designed to integrate effortlessly with the Bluetti EP800 and EP900 systems. Whether you’re preparing for unexpected outages or seeking to reduce your reliance on the grid, the B500 provides reliable, long-lasting power for peace of mind and energy independence.
With cutting-edge LiFePO₄ technology, the B500 ensures superior safety, extended lifespan, and dependable performance—even in the harshest environments. Combined with BLUETTI's 10-year hassle-free warranty and lifetime customer support, this expansion battery is built to last, keeping your home powered for years to come.
Key Features:
4,960Wh Capacity for Prolonged Backup: Provide up to 4,960Wh of backup power to run essential devices and appliances during outages or reduce your dependence on the grid. Keep the lights on, the fridge running, and your electronics charged longer.
Seamless Integration with EP800 & EP900 Systems: Expand your existing Bluetti energy setup with no hassle. The B500 is designed for easy connection to the EP800 and EP900 systems, offering a simple, plug-and-play experience for increased home energy storage.
Reliable LiFePO₄ Battery Technology: Built with industry-leading LiFePO₄ technology, the B500 offers unmatched safety, better thermal stability, and up to 3,500+ charge cycles. You’ll enjoy long-term performance with fewer replacements needed.
Cold-Weather Resilience with Self-Heating: The B500 features self-heating capabilities to ensure reliable operation in cold temperatures. No matter the weather, you can count on this expansion battery to provide power year-round.
What’s Included:
1 × Bluetti B500 Expansion Battery
Specifications
Product Specification
Scalable
Works with EP800 and EP900; 2~4 B500 Battery Packs
Battery Type
Lithium Iron Phosphate Cells (LiFePO4/LFP)
Rated Capacity
4,960Wh
Dimensions (LWH)
25.0 × 12.8 × 13.3 inch / 636 × 325 × 338mm
Net Weight
127.87lbs / 58kg
Protection Grade
NEMA 4X / IP65
Noise
<25dB
Operating Temperature
Charging: 32℉-104℉; Charging (Inverter connects to the grid): -4℉-104℉; Discharging: -4℉-104℉
Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products with full manufacturer warranties.
Fast, Reliable Shipping: All items ship from our U.S. warehouses with quick and dependable freight options to keep your project on track.
30-Day Hassle-Free Returns: Change your mind? No worries — enjoy a simple 30-day return process for peace of mind.
Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just real people who know off-grid power systems.
Expert Energy Guidance: Our solar and backup energy specialists are ready to help you with design, planning, product questions, and installation tips.
USA-Based Service: Our team proudly operates here in the United States, providing local, knowledgeable, and friendly support.
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Built for Energy Independence: Whether you’re powering a cabin, prepping for emergencies, or going off-grid, our products are selected for performance, reliability, and sustainable operation.