First 100 customers · online

How to get your first 100 customers for a paper-thin flexible rechargeable battery card

To win your first 100 customers for a paper-thin flexible rechargeable battery card, go where gadget, EDC and eco-tech early adopters already hunt for novel hardware instead of burning cash on ads. The highest-fit communities are EDC and wallet-gear subreddits (r/EDC, r/EverydayCarry, r/Wallets) and gadget-discovery spaces (r/gadgets, r/INEEEEDIT, Product Hunt), plus crowdfunding-backer and eco-tech audiences who reward thin, clever, sustainable tech. This product sells on the 'wait, a battery that's thin as a card?' reaction — a crisp demo plus a Kickstarter and the right niche threads can seed your first 100.

The 13 communities, ranked by fit

#CommunityWhy it fitsEngageSelf-promo
1r/EDC and r/EverydayCarry
reddit · 1.5M+ members
EDC enthusiasts obsess over slim, pocketable, useful gear — a card-thin rechargeable battery is a perfect fit. Show it in a real carry/wallet setup rather than pitching, and let demand pull people to your link.9/10strict
2r/gadgets
reddit · 20M+ members
A massive audience hungry for genuinely novel hardware; a paper-thin battery has the 'how is that possible' hook that earns upvotes and discussion, building awareness fast when shared as a cool find.8/10strict
3Product Hunt
directory · Millions of early adopters
Built for launching novel tech to early adopters and press; a strong launch of a flexible paper battery captures gadget-loving buyers, backlinks and reviewer attention without ad spend.8/10permissive
4Kickstarter / Indiegogo (backer audience)
directory · Millions of hardware backers
Crowdfunding is the natural home for a novel hardware first run; backers fund thin, clever, eco-friendly gadgets pre-launch, validating demand and delivering your first 100+ customers at once.9/10permissive
5r/INEEEEDIT and r/somethingimade (novelty discovery)
reddit · 1M+ members
Communities built around discovering want-it-now objects; a paper-thin battery is exactly the kind of 'I need this' product that takes off and converts to early sales here.7/10moderate
6r/wallets and slim-wallet / minimalist-carry communities
reddit · Hundreds of thousands of members
People optimizing what fits in a slim wallet will love a card-sized power source for phones and earbuds; a precise, needs-based fit for the minimalist-carry crowd.8/10moderate
7TikTok & Reels gadget / 'cool tech finds' niche
instagram · Tens of millions of viewers
A flexible battery you can bend like paper is irresistible short-form content; the gadget-finds niche rewards a punchy demo with viral reach and direct link/DM purchases.8/10permissive
8Gadget-review & 'cool tech on the internet' channels
youtube · Hundreds of thousands of subscribers
Tech reviewers need fresh, surprising products to feature; seeding units to gadget channels gets credible demos in front of buyers with built-in trust and affiliate incentive.7/10permissive
9r/preppers and r/CampingGear (lightweight-power interest)
reddit · Hundreds of thousands of members
Preppers and ultralight campers value compact, lightweight power and backups; a thin, packable battery card is a practical, needs-based sell beyond pure novelty.6/10moderate
10Gadget-lover & 'TikTok made me buy it' Facebook groups
facebook group · 50K-300K members
Groups that exist to share viral tech finds; a compelling clip plus link is exactly the content these members upvote and buy from.6/10moderate
11Cool-gadget / eco-tech product-discovery newsletters
newsletter · Tens of thousands of subscribers
Gadget and sustainability newsletters feature novel products to engaged buyers; a placement or seeded review targets early-adopter and eco-minded purchasers efficiently.6/10permissive
12r/ZeroWaste and r/sustainability (eco-tech angle)
reddit · Hundreds of thousands of members
Eco-minded audiences are interested in greener battery tech; useful for the sustainability story and credibility, though overt promotion isn't tolerated — lead with the eco angle, not a pitch.5/10strict
13Hardware / EDC enthusiast forums (e.g. EDCForums)
forum · Tens of thousands of members
Dedicated gear forums where members discuss and review carry tech; helpful participation and a credible demo build authority and early word-of-mouth among committed enthusiasts.5/10moderate

FAQ

Where do gadget, EDC and eco-tech fans gather online?

In EDC and slim-wallet subreddits like r/EDC, r/EverydayCarry and r/Wallets, in gadget-discovery spaces like r/gadgets, r/INEEEEDIT and Product Hunt, on crowdfunding platforms, and in TikTok/Reels 'cool tech finds' niches. Eco communities like r/ZeroWaste add a sustainability-minded audience.

What's the fastest way to get the first 100 customers for a paper battery card?

Lead with the 'thin as a card, bends like paper' demo. Run a Kickstarter or Indiegogo to fund the first batch and capture 100+ backers at once, launch on Product Hunt, post the demo into r/EDC, r/gadgets and gadget TikTok, and seed a few tech reviewers to drive credible early sales.

Do I need an ad budget?

No. Crowdfunding, Product Hunt and organic gadget/EDC communities a founder with zero audience can use for free do the heavy lifting. A surprising demo plus a launch and a few seeded reviews are enough to start.

How do I make a novel battery feel trustworthy to buy?

Show real demos (charging a phone, bending the card), be transparent about capacity, charge cycles and safety, and use crowdfunding updates plus seeded reviewer videos as social proof. For an unfamiliar tech, credible third-party demos and clear specs convert skeptics into backers.