Anker SOLIX BP3800 Expansion Battery | 51.2V 75Ah | 3,840Wh LFP | For SOLIX F3800 Power Station

The Anker SOLIX BP3800 Expansion Battery is a high-capacity, lithium iron phosphate (LFP) module designed to seamlessly extend the storage capabilities of the Anker SOLIX F3800 Portable Power Station. With over 3,000 cycles and 3.84kWh of dependable energy, this rugged expansion battery delivers lasting performance for off-grid living, home backup, and high-demand applications.

High-Capacity LFP Storage

Built with long-lasting Lithium Iron Phosphate (LFP) cells, the BP3800 delivers 3,840Wh of energy and over 3,000 charge cycles, ensuring a reliable 10+ year lifespan.

Seamless System Integration

Designed specifically for the Anker SOLIX F3800, this unit expands your storage with plug-and-play simplicity, no additional configuration required.

Built for Demanding Conditions

Outdoor-ready with a wide -20°C to 40°C (-4°F to 104°F) discharge range, plus rugged construction for everyday use or emergency scenarios.

Backed by a 5-Year Warranty

Enjoy peace of mind with Anker’s 5-year hassle-free warranty, built on a reputation of quality and performance.

Technical Specifications

Electrical

• Cell Capacity: 51.2V DC, 75Ah / 3,840Wh

• Expansion Port Input: 75A Max

• Expansion Port Output: 170A Max

Environmental Ratings

• Discharge Temp: -4°F to 104°F / -20°C to 40°C

• Charge Temp: 32°F to 104°F / 0°C to 40°C

Physical Dimensions

• Size: 15.5 × 14.0 × 10.3 in / 39.3 × 35.5 × 26.2 cm

• Net Weight: 33 kg / 72 lb

Certifications & Warranty

• Battery Chemistry: Lithium Iron Phosphate (LFP)

• Life Cycles: 3,000+ (to 80% capacity)

• Warranty: 5-Year Limited