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Anker SOLIX BP3800 Expansion Battery | For SOLIX F3800 & F3800 Plus
SKU: A1790111-85 | SALE | Back Ordered
- Regular price
- $2,199.00
- Sale price
- $2,199.00
- Regular price
-
$2,499.00
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Anker SOLIX BP3800 Expansion Battery
The Anker SOLIX BP3800 Expansion Battery is designed to seamlessly integrate with the Anker SOLIX F3800 Portable Power Station, providing an additional 3,840Wh of energy capacity. This expansion allows users to scale their power system to meet extended energy demands, making it ideal for home backup, off-grid living, outdoor adventures, and emergency preparedness.
With long-lasting LiFePO4 battery technology, a rugged build for durability, and smart safety features, the BP3800 ensures reliable and efficient energy storage for extended use.

Anker SOLIX BP3800 Expansion Battery Features
High Energy Capacity
- Expands your SOLIX F3800 system with an additional 3,840Wh of power storage.
- Supports multiple expansion batteries, increasing total capacity up to 26,880Wh.
Long-Lasting LiFePO4 Battery
- Built with LiFePO4 (LFP) battery cells, offering over 3,000 cycles to 80% capacity.
- 10+ year lifespan, ensuring extended power reliability.
Seamless Plug-and-Play Integration
- Designed exclusively for the SOLIX F3800, allowing easy connection without complex setup.
- Compatible with home backup systems, RVs, and off-grid solar setups.
Advanced Safety Features
- Smart temperature monitoring prevents overheating and extends battery life.
- Unibody drop-proof design protects against bumps, drops, UV light, and fire hazards.
Weather-Resistant and Durable
- Built with high-strength materials to withstand harsh outdoor conditions.
- Shock-resistant and dustproof, making it ideal for rugged environments.
Anker SOLIX BP3800 Expansion Battery Applications
Extended Home Backup
- Provides additional power during outages, keeping essential appliances running longer.
- Expands storage for lights, refrigerators, medical devices, and security systems.
Off-Grid Living
- Enhances energy storage for off-grid homes and solar systems, ensuring a reliable power supply for daily activities.
- Reduces dependence on generators and the grid.
Outdoor Adventures & RVs
- Perfect for extended camping trips, RVs, and mobile workstations, ensuring continuous power for electronics, appliances, and tools.
- Works with solar panels for sustainable, on-the-go power.
Emergency Preparedness
- Offers peace of mind with a large backup power reserve during natural disasters, blackouts, or emergencies.
- Ensures communication, medical devices, and lighting remain powered.
Business & Professional Use
- Provides critical backup power for mobile offices, construction sites, and remote work.
- Keeps tools and heavy-duty equipment running efficiently.

What's Included
Everything you need is included with your product.
- 1 x Anker SOLIX BP3800 Expansion Battery
- 1 x Battery-to-Host Cable
- 1 x User Manual
- 5-year Warranty
Warranty
- 5-Year Warranty – Ensures reliable support for long-term use and dependable performance.
Anker SOLIX BP3800 Expansion Battery Specifications
| Specification | Details |
| Capacity | 51.2Vdc 75Ah / 3840Wh |
| Expansion Battery Port Input | 75A Max |
| Expansion Battery Port Output | 170A Max |
| Discharging Temperature | -4°F - 104°F | -20°C - 40°C |
| Charging Temperature | 32°F - 104°F | 0°C - 40°C |
| Dimensions | 15.5 × 14.0 × 10.3 in | 39.3 × 35.5 × 26.2 cm |
| Net Weight | 33 kg | 72 lb |
Frequently Asked Questions
How many BP3800 batteries can I connect to my SOLIX F3800?
You can connect up to six BP3800 expansion batteries, increasing the total storage to 26,880Wh.
Can the BP3800 be used without the SOLIX F3800?
No, the BP3800 is designed exclusively for the SOLIX F3800 Portable Power Station and cannot function as a standalone unit.
Is the BP3800 battery compatible with solar charging?
Yes, when connected to the SOLIX F3800, the BP3800 can be charged using solar panels through the F3800’s MC4 solar charging port.
How long does it take to charge the BP3800 battery?
Charging times vary based on input power. When connected to the SOLIX F3800, full recharge times are:
- Solar Charging: ~6-8 hours (using 1,200W solar input)
- AC Wall Outlet: ~2-3 hours (direct F3800 connection)
Can the BP3800 be used for home backup power?
Yes, when connected to the SOLIX F3800, the BP3800 extends home backup capabilities, allowing longer runtime for critical appliances like refrigerators, CPAP machines, and security systems.
Is the BP3800 battery safe to use indoors?
Yes, the LiFePO4 battery chemistry is safe for indoor use, with no toxic fumes or risk of explosion.
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