BLUETTI B500 Expansion Battery

Name: BLUETTI B500 Expansion Battery
Brand: Bluetti
SKU: B500 Expansion Battery
Price: 3498.99 USD
Availability: InStock

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Bluetti

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B500 Expansion Battery

$3,498.99

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BLUETTI B500 Expansion Battery

Scalable, Long-Life Energy Storage for EP800 / EP900 — Future-Ready Capacity Expansion for Whole-Home Backup

The BLUETTI B500 is a high-capacity expansion battery designed exclusively for the EP800 and EP900 Energy Storage Systems. With 4,960Wh of additional LiFePO₄ storage per unit, the B500 extends your home backup runtime by up to a full day—offering flexible scalability, long-term reliability, and peace of mind as your energy needs grow.

Key Features

Seamless Compatibility with EP800 / EP900: Designed to integrate effortlessly with BLUETTI EP800 and EP900 systems for smooth capacity expansion.
4,960Wh Capacity per Battery: Each B500 adds substantial energy storage, extending home backup duration and supporting higher daily power demands.
Industry-Leading LiFePO₄ Battery Technology: Delivers superior safety, thermal stability, and long lifespan for dependable long-term energy storage.
Cold-Weather Self-Heating Design: Built-in self-heating ensures reliable operation and charging performance even in low-temperature environments.
Scalable, Modular Expansion: Add batteries as needed to adapt to new appliances, growing households, or extended outage protection.
Hassle-Free 10-Year Warranty: Backed by an industry-leading warranty for long-term confidence and protection.

Why Choose the BLUETTI B500?

Resilient & Future-Proof: Expand your energy storage seamlessly as your power needs evolve, without replacing your existing system.
Customized Energy Freedom: Build a tailored backup solution for both grid-tied and off-grid scenarios—power through outages with confidence.
Safer & Longer-Lasting: LiFePO₄ chemistry and advanced thermal management provide enhanced safety and extended service life.
Cost-Effective Over Time: Modular expansion improves efficiency and reduces long-term energy costs by scaling only when needed.

Applications

Whole-Home Backup Expansion
Grid-Tied & Off-Grid Energy Storage
Extended Outage Protection
Growing Households & New Appliances
Future-Ready Home Energy Systems

What’s Included

1 × BLUETTI B500 Expansion Battery
1 × Connection Cables
1 × User Manual & Warranty Documentation

Specifications

Parameter	Details
Compatibility & Scalability
Compatibility	Works with BLUETTI EP800 & EP900
Scalability	2–4 × B500 battery packs
Battery
Battery Type	Lithium Iron Phosphate (LiFePO₄ / LFP)
Rated Capacity	4,960Wh
Depth of Discharge (DoD)	90%
Physical Specifications
Dimensions (L × W × H)	25.0 × 12.8 × 13.3 in (636 × 325 × 338 mm)
Net Weight	127.87 lbs (58 kg)
Installation	Floor-mounted or wall-mounted Indoor or outdoor
Noise Level	< 25 dB
Protection Grade	NEMA 4X / IP65
Environmental
Operating Temperature – Charging	32°F–104°F (0°C–40°C)
Operating Temperature – Discharging	-4°F–104°F (-20°C–40°C)
Grid-Connected Operation	-4°F–104°F (-20°C–40°C)
Operating Humidity	5%–95%
Operating Altitude	≤ 6,561 ft (2,000 m)
Certifications & Warranty
Certifications	CB, CE, FCC, ICES, IP65, PSE, RCM, UKCA, UL1973, UL9540A, UN38.3-2022
Warranty	10 years

Understanding Your Power Needs

Power Calculation Guide

Sizing Metric	Formula & Example
Energy Consumption (Wh)	Formula: Watts × Hours Example: 60W × 4 hrs = 240 Wh
Battery Capacity (Ah)	Formula: Watt-hours ÷ System Voltage (V) Example: 240 Wh ÷ 12V = 20 Ah
Inverter Size (W)	Formula: Total Watts × 1.25 (safety margin) Example: 300W × 1.25 = 375W → Use 400W inverter
Total Load Power (W)	Formula: Sum of all appliance watts used simultaneously Example: Light (10W) + Fan (75W) = 85W
Runtime (hrs) of Battery	Formula: (Battery Ah × Voltage) ÷ Total Load (W) Example: (100Ah × 12V) ÷ 240W = 5 hrs

Find Your Power Match

Need / Application	System Recommendation
Basic lighting + phone charging	Recommended Battery: 50Ah – 100Ah (12V) Inverter Size: 100W – 200W Notes: For small backup setups
Home office (laptop, fan, TV)	Recommended Battery: 150Ah – 200Ah (12V or 24V) Inverter Size: 500W – 1000W Notes: For moderate usage with 4–6 hours of backup
Home backup (fridge, lights)	Recommended Battery: 200Ah+ (24V or 48V recommended) Inverter Size: 1000W – 1500W Notes: Ideal for longer backups or heavier loads
Business / shop power backup	Recommended Battery: 300Ah+ (48V system) Inverter Size: 2000W – 3000W Notes: Suitable for commercial setups or extended power outages

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Built for Energy Independence: Whether powering a cabin, prepping for emergencies, or going off-grid, our products are chosen for performance, reliability, and sustainability.

BLUETTI B500 Expansion Battery

$3,498.99

BLUETTI B500 Expansion Battery

Bluetti

B500 Expansion Battery

#1 Authorized Bluetti Distributor

Free Shipping + No Sales Tax

Hassle-Free Returns & Exchanges

Talk To A Real Person

BLUETTI B500 Expansion Battery

Key Features

Why Choose the BLUETTI B500?

Applications

What’s Included

BLUETTI B500 Expansion Battery

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