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BLUETTI

BLUETTI B500 Expansion Battery for EP800/EP900 - 4,960Wh

BLUETTI B500 Expansion Battery for EP800/EP900 - 4,960Wh

Regular price $3,999.00 USD
Regular price Sale price $3,999.00 USD
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Product Overview

Important Compatibility Notice: Requires a compatible BLUETTI EP800 or EP900 system. The B500 is not a standalone power station and cannot power household equipment by itself.

This listing is for one B500 battery pack. A compatible EP800 or EP900 system uses 2–4 B500 battery packs, depending on the system configuration.

The BLUETTI B500 is a 4,960Wh LiFePO4 expansion battery designed exclusively for BLUETTI EP800 and EP900 home energy-storage systems. It increases the storage capacity of a compatible installed system for home backup and energy-storage applications.

Key Features

  • 4,960Wh rated battery capacity
  • LiFePO4 lithium iron phosphate battery chemistry
  • Designed exclusively for BLUETTI EP800 and EP900 systems
  • Supports configurations using 2–4 B500 battery packs
  • Maximum system battery capacity of 19.84kWh with four B500 packs
  • NEMA 4X and IP65 protection rating
  • Floor-mounted or wall-mounted installation
  • Designed for indoor or outdoor installation where permitted
  • 90% depth of discharge

Best For / Intended Use

  • Expanding an existing BLUETTI EP800 home energy system
  • Expanding an existing BLUETTI EP900 home energy system
  • Compatible grid-connected or off-grid home backup installations
  • Customers adding storage capacity to a professionally installed BLUETTI system

Technical Specifications

Model B500
Rated Capacity 4,960Wh
Battery Chemistry LiFePO4 lithium iron phosphate
Compatible Systems BLUETTI EP800 and EP900 only
Battery Packs per System 2–4 B500 battery packs
Maximum Battery Capacity 19.84kWh with four B500 battery packs
Depth of Discharge 90%
Protection Rating NEMA 4X / IP65
Noise Level Less than 25dB
Dimensions 25.0 × 12.8 × 13.3 inches (636 × 325 × 338mm)
Net Weight Approximately 127.87 lb (58kg)
Standard Charging Temperature 32°F to 104°F (0°C to 40°C)
Charging Temperature with Inverter Connected to Grid -4°F to 104°F (-20°C to 40°C)
Discharging Temperature -4°F to 104°F (-20°C to 40°C)
Working Humidity 5%–95%
Maximum Working Altitude 6,561 feet (2,000 meters)
Installation Floor or wall mounted; indoor or outdoor
Manufacturer-Listed Certifications CB, CE, FCC, ICES, PSE, RCM, UKCA, UL 1973, UL 9540A, and UN 38.3-2022

Setup and Compatibility

The B500 works only with BLUETTI EP800 and EP900 home energy-storage systems. It is not compatible with the BLUETTI B230, B300, B300S, other expansion-battery families, or third-party inverters.

The B500 cannot connect directly to a home's existing main electrical panel and cannot operate by itself. A compatible EP800 or EP900 inverter and the required system components are necessary.

The system requires grounding and professional installation. Installation, electrical connections, mounting, commissioning, and system changes must be completed according to BLUETTI instructions and applicable electrical requirements.

Shipping and Delivery

This item ships directly from our fulfillment partner or manufacturer.

Freight charges are calculated at checkout.

Estimated Delivery:

  • Processing: 1–2 business days
  • Delivery: 5–10 business days depending on location

Oversized or high-value items may require additional handling or scheduled delivery.

Tracking information will be provided once your order ships.

See our Shipping Policy for full details.

Warranty and Returns

Warranty service and returns are subject to the applicable manufacturer terms and RoboSmartDepot's current Warranty and Refund policies. Review those policies before ordering.

Safety, Compliance, and Important Notes

  • This product contains a high-capacity lithium battery.
  • Professional installation by a qualified or licensed electrician is required.
  • Grounding is required for safe and proper operation.
  • Use only with compatible BLUETTI EP800 or EP900 equipment.
  • Do not connect the B500 to a third-party inverter or another BLUETTI battery family.
  • Do not install, connect, operate, or store equipment that appears damaged.
  • Follow all BLUETTI installation, operation, storage, and maintenance instructions.
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