Selected participants pay €139 · Receive €70 back after verification
288WhLiFePO4
Dual 140WUSB-C
1h 14mFull charge
Up to 100hFan runtime
2.7kgLightweight
Free & Fast DeliveryShipped from Local German Warehouse
Secure checkoutProtected payment
LiFePO4 battery3,000+ cycles
Launch supportFOSSiBOT customer care
Aug 10
Tester Program Launch
Aug 15
Registration Closed
Aug 18
Tester Shipment
Sep 3
Early Bird €139
Sep 15
Official Release €159
Participation Rules
1. How the Product Tester Program works
Buy FDC300 for €139 by August 15 and choose whether to join the Product Tester Program at checkout.
Join the program, after receiving FDC300, publish one honest and clearly disclosed experience on an eligible platform. Submit the public link and one screenshot to FOSSiBOT. Keep the content public for at least 7 days. Once verified, we will refund €70 to your original payment method—bringing your effective price to €69.
2. What qualifies for the €70 refund?
Your content must:
Be published on Facebook, Instagram, Reddit or YouTube.
Be publicly accessible during the verification period.
Include an original photo or a video of at least 20 seconds.
Show at least one real FDC300 use case.
Include your honest personal experience.
Clearly disclose your participation in the FOSSiBOT Product Tester Program.
Include
#FOSSiBOT#FDC300#FDC300Tester
Remain public for at least 7 consecutive days.
Choose one eligible platform. Submit once. We verify the public link after 7 days.
3. What does not qualify?
The following content is not eligible:
Content that is private, deleted or unavailable during verification.
Instagram or Facebook Stories submitted without a permanent Feed post or Reel.
Content copied entirely from FOSSiBOT product pages or other users.
Posts containing no original product photo, video or personal experience.
Posts without a clear disclosure of the refund arrangement.
Reddit posts that violate subreddit rules or are removed as promotional spam.
False, misleading or unverified product claims.
Multiple submissions for the same order.
If a required disclosure, hashtag or tag is missing, we will contact you once and provide 48 hours to update the content.
4. Disclosure copy you can use
#Ad — I’m taking part in the FOSSiBOT FDC300 Product Tester Program. I purchased the product for €139 and may receive a €70 refund after completing the program requirements. This is my honest experience.
YouTube additional requirements: For YouTube videos and Shorts, include the disclosure in the description and enable the “paid promotion” setting. We also recommend showing or stating the disclosure at the beginning of the video.
5. Not sure what to share?
Tell us how FDC300 fits into your real day. You may cover:
Where and how you used FDC300.
Which devices you powered or charged.
Your experience with the dual 140W USB-C ports.
How the fold-away fan performed.
How you used the hidden phone stand.
Portability, weight and storage.
What you liked.
What could be improved.
Who you think the product is suitable for.
Be honest: You do not need to recommend the product or give a positive rating. Honest advantages, limitations and suggestions are all welcome.
*FOSSiBOT reserves the right of final interpretation of this program.
THE CATEGORY GAP
When a power bank is not enough—and a power station is too much.
FDC300 keeps laptops, cameras, drones, phones and DC gear powered without the excess bulk of a traditional AC power station.
288WhLiFePO₄ energy
2 × 140WPD 3.0 USB-C
2.7kgOne-hand portability
260WMaximum Input
PERSONAL COMFORT BUILT IN
Your golden half-meter breeze zone.
Pull up the fan for gentle airflow right where you sit. Choose three speeds or Natural Wind mode, then keep your phone visible in the hidden top holder.
01
Up to 100 hours
Long personal-fan runtime for work, rest and nights outdoors.
02
Whisper-soft close-range comfort
Designed for your personal space. Stay cool, right where it matters, even in the heat.
03
One less gadget to pack
Power, airflow and a phone stand come together in a clutter-free setup.
COFFEE-TIME CHARGING
A true 100% charge in 1 hour 14 minutes.
Up to 260W combined input charges you fully, not just to 80%. Recharge via USB-C, compatible solar, or your vehicle.
Dual 140W two-way USB-C
The ports that power your laptop can also recharge FDC300.
Solar and car ready
XT60 input supports up to 120W compatible solar or vehicle charging.
Charge and discharge together
Keep compatible gear running while FDC300 is being replenished.
Multiple Flexible Charging Solutions - Reliable Outdoor Power at Any Location
Flexible charging via USB-C, vehicle charger and solar panels, ensuring dependable power in all outdoor environments.
*Based on theoretical calculation.
USB-C Charging
2 x 140W USB-C charging (200W Max)0-100% in 1h 36 mins*
1 x 140W USB-C charging0-100% in 2h 17 mins*
Solar Charging
120W Max0-100% in 2h 40 min*
Car Charging
120W Max0-100% in 2h 40 min*
MADE FOR REAL DAYS OUTDOORS
One compact hub. Three ways to live lighter.
Your desk, anywhere.
Power a laptop and phone, keep your second screen in view and add close-range airflow.
Stay for the last shot.
Recharge cameras and drone batteries between locations without returning to base.
More comfort, less gear.
Power lights and devices, then use the fold-away fan around camp or on the road.
Less lifting, more living. Designed for the trail, not the gym.
100-PERSON EXPERIENCE PROGRAM
Be among the first to put FDC300 to work.
Selected participants purchase FDC300 for €139, share a clearly disclosed and honest experience on an eligible platform, and keep it public for at least seven days. After verification, FOSSiBOT refunds €70.
FDC300 is a compact DC portable power station. It offers considerably more stored energy and more capable output options than a typical power bank, while avoiding the bulk of a traditional AC power station.
Does FDC300 have an AC outlet?
No. FDC300 is designed for efficient DC devices using USB-C, USB-A and compatible 12V equipment. It is not intended for AC appliances such as kettles, hair dryers or household coffee machines.
Can both 140W USB-C ports be used at the same time?
Yes, compatible devices can be connected simultaneously. Actual power distribution depends on connected devices, charging protocols, battery level, cable capability and temperature.
What is the fan designed for?
The top-mounted three-speed fan is a personal comfort fan for close-range airflow. It folds away into the body when not in use. It should not be described as the product’ internal cooling system.
How does the phone stand work?
Raise the fan and place a compatible phone in the integrated top groove while FDC300 is resting on a stable, level surface. Remove the phone and fold the fan away before moving the unit.
How can I recharge FDC300?
FDC300 supports high-power USB-C charging and compatible solar or vehicle charging through the XT60 input. Charging accessories and maximum input vary by setup.
Can I take FDC300 on a passenger aircraft?
No. Its 288Wh battery exceeds the usual 160Wh passenger-aircraft battery limit.
Can FDC300 charge devices while it is being recharged?
Yes. FDC300 supports simultaneous charging and discharging. Available output may vary with input power, battery state, connected devices and temperature.
Is a 140W wall charger included?
The current proposed package contains FDC300, one USB-C to USB-C cable and the user manual.
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