FOSSiBOT FB3840 Expansion Batteries

Wholesale FOSSiBOT FB3840 Expansion Batteries for bulk orders at RuggedMaster. 3,840Wh LiFePO₄ Batteries for Enhanced Safety and 6,500+ Life Cycles. Compatible with F3600 Pro for a maximum of 11,520Wh capacity. (F3600 Pro+2*FB3840)

FOSSiBOT FB3840 Features and Configuration

3,840Wh LiFePO₄ Batteries for Enhanced Safety and 6,500+ Life Cycles.

Compatible with F3600 Pro for a maximum of 11,520Wh capacity. (F3600 Pro+2*FB3840)

Features with a 100W USB-C and a 18W USB-A ports,you can use the FB3840 as a portable power station.

The FB3840 expansion battery enables it to recharge quickly through solar power at a 200W maximum loading scale.

Intelligent Battery Management System (BMS)

5-Year Hassle-Free Warranty

FOSSiBOT FB3840 Technical Overview

Capacity: 3,840Wh

Type: LiFePO4

Rated Life Cycle: 6500+ Cycles to 50% Original Capacity

Shelf-life: Recharge to 80% Every 3-6 Months

Management System: BMS

USB-A: 1xQC3.0 18W

USB-C: 1x100W Max.

XT60: 1x200W Max.

Weight: 37.8kg / 83.33lbs

Dimensions (L × W × D): 60.90 x 32.10 x 47.55 cm

Operating Temperature: 0-40℃ (32-104℉)

Discharging Temperature: -15-40℃ (-4-104℉)

Storage Temperature: -15-40℃ (-4-104℉)

Certification: FCC,CE,PSE,RoHS,UN38.3,MSDS

Warranty: 2+3 Years

User Manual: FOSSIBOT FB3840 EXPANSION BATTERY USER MANUAL Download Now

FOSSiBOT FB3840 Frequently Asked Questions

Q1: Which FOSSiBOT power stations can work with FB3840? A: A: The FB3840 extended battery is only compatible with the F3600Pro.

Q2: Can I use FOSSiBOT FB3840 expansion battery alone? A: A:Yes. It comes with a 100W USB-C and a QC3.0 18W USB-A, providing power for phones, laptops, car refrigerators, etc.

Q3: How many FB3840 can I connect to F3600Pro? A: A:F3600Pro: Up to 2 FB3840 for 7,680Wh capacity.

Q4: Does FB3840 support App control? A: A:Connect it to the F3600Pro, pair them with App, and you can control the system at any time from anywhere.

Q5: Can I use FB3840 alone as a UPS? A: A:No.

Q6: What is the maximum input solar charging power of the FOSSiBOT FB3840? A: A: 200W Max.

Q8: Can I use third-party solar panels to charge the FOSSiBOT FB3840? A: A: Yes, if the solar panels’ specs fall in 1) Total Voltage: 11.5-50V 2) Total Power: 200W Max. 3) Include MC4 connectors.

Q9: Can it charge and discharge at the same time? A: A: NO.

Q10: Is FB3840 waterproof? A: A: No. Also, please do NOT store it in a humid environment for a long time.

Q11: Is it possible to replace the built-in battery? A: A: No. If the battery pack is faulty or even dead, please contact FOSSiBOT Customer Service.

FOSSiBOT FB3840 Bulk Orders

Choose FOSSiBOT FB3840 by comparing the confirmed configuration above with your purchasing requirements. The product photos show the available finishes and different views of the product. Check the operating system, connection requirements, battery and charging information where listed, and the dimensions in the Specs tab before arranging a bulk order.

For a wholesale inquiry, specify the model, requested quantity, preferred color and delivery destination. Confirm the required charging equipment and package contents for your market before ordering. Confirm regional power connections and the rated output of the equipment you intend to power. Compare battery capacity, charging inputs and output ports with the required runtime and connection types. Check compatibility before connecting expansion batteries or solar panels. The rated capacity and output power describe different aspects of the system and should both be considered.