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    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro

    Brand: FOSSiBOT 8Answered Questions Item Code:524673
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    $ 1679.93 $2399.99 30% OFF
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    After Coupon: $1567.86
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    (EU Stock) FOSSiBOT FB3840 Extra Battery Pack for F3600 Pro Portable Power Station

    27 May, 2025~30 Jun, 2025

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    Highlights

    Exceptional 3840Wh LiFePO4 Battery

    The FOSSiBOT FB3840 expansion battery boasts a high-capacity 3840Wh LiFePO4 battery, ensuring stable and safe operation with an impressive lifespan of 6500+ charge/discharge cycles. Perfect for extending the runtime of your F3600 Pro portable power station.

    Solar Charge & AC Charge

    Enjoy the flexibility of charging your FB3840 expansion battery either via 200W solar power or through a standard AC outlet. This dual-charging capability makes it ideal for both off-grid adventures and home use.

    Rapid and Convenient Power Delivery

    The FB3840 expansion battery is equipped with fast charging ports, including an 18W USB-A and a 100W Type-C output, allowing you to charge your devices quickly and efficiently. 

    Seamless Compatibility with FOSSiBOT F3600 Pro

    Designed specifically for the FOSSiBOT F3600 Pro portable power station, this smart battery pack seamlessly integrates to enhance your existing power supply. Expand your power capabilities effortlessly.

    Upgrade Your Power Experience

    Transform your F3600 Pro into a powerhouse with the FB3840 expansion battery. This upgrade increases your overall power capacity, making it a must-have for extended camping trips, emergency preparedness, or any scenario requiring reliable backup power.

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    FOSSiBOT FB3840 Smart Battery Pack
    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    Compatible With FOSSiBOT F3600 Pro

    Each FB3840 unit provides an additional 3840Wh of capacity. Connecting one FB3840 unit doubles the total capacity to 7680Wh, and connecting two units triples it to 11520Wh. This ensures days of power for essential appliances with the FOSSBOT F3600 Pro.

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    Dual-Charging Expandable Battery: Solar & AC Options

    FB3840 expansion battery can be recharged by a 200W solar panel or by car. When connected to the FOSSiBOT F3600 Pro, it can utilize all of the F3600 Pro charging methods.

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro

    2200W AC + 2000W Solar Charge For F3600 Pro + FB3840

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro

    2000W Solar Charge For F3600 Pro + FB3840

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    Versatile DC Output Power

    FB3840 comes with a 18W USB-A and a 100W type-C output port, allowing you to power your smartphones, laptops, fans, USB LED lights, and so on.

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    Longer Power Supply, Lower Energy Bills

    Paired with the FOSSiBOT F3600 Pro, the FB3840 battery pack significantly reduces your energy bills and extends power availability for your needs.

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    Safe LiFePO4 Battery with 6500+ Charge Cycles

    FB3840 expansion battery adopts the same EV-grade LiFePO4 battery with BMS protection. Safe and super long battery life for more than 10 years use.

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
    Freedom to Charge Anywhere: Portable Power for Your Devices

    The FOSSiBOT FB3840 delivers portable power to you anytime, anywhere. Whenever you need it, the FB3840 is ready to serve.

    FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro

    Specification

    General Brand: FOSSiBOT
    Type: Extra Battery Pack
    Model: FB3840
    Color: Gray + Black
    Specification Battery Capacity: 3840Wh LiFePO4, Max. 11250Wh Expansion
    Output: 18W USB-A, 100W Type-C
    Charging Methods: Solar Charge, AC Charge
    Applicable Model: for FOSSiBOT F3600 Pro
    Weight & Size Product Weight: 37.8kg
    Package Weight: 40kg
    Package Size(L x W x H): 69.4x40.4x58.7cm
    Package Contents 1 x FB3840 Extra Battery Pack
    1 x Parallel Cable
    1 x Leather Sheath
    1 x User Manual

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          Questions & Answers

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          FOSSiBOT F3600 Pro FAQ: Everything You Need to Know Open
          How Long Will The FOSSiBOT F3600 Pro Power My Home Appliances? Open
          How to Connect and Use F3600 Pro APP Open
          FOSSiBOT FB3840 Expansion Battery, 3840Wh LiFePO4 Battery Pack for F3600 Pro
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