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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.

High Energy Capacity
Long-Lasting LiFePO4 Battery
Seamless Plug-and-Play Integration
Advanced Safety Features
Weather-Resistant and Durable

Extended Home Backup
Off-Grid Living
Outdoor Adventures & RVs
Emergency Preparedness
Business & Professional Use


Everything you need is included with your product.
| 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 |
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:
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.
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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