FAQ

Product & Design

  • How thick is it?
    Just 0.18" (4.5mm) — thin enough to disappear into a cardholder pouch or billfold pocket. Full size: 3.3" × 2.2" × 0.18".
  • Will it fully charge my phone?
    On most modern smartphones, expect ~30–50% back — enough for maps, calls, and getting home. On smaller devices (AirPods, older phones) it can get you close to a full charge. It's built as your emergency layer, not a replacement for your wall charger.
  • Is it premium?
    Laser-etched stainless steel body, 2.1 oz — built to feel as solid as it looks.

How It Works

  • How much charge do I get?
    2300mAh at 1.5A output — roughly 30–50% on modern smartphones (varies by model and your starting battery level).
  • How long does it hold its charge on the shelf
  • we recommend topping it up once a month so it's always ready.
  • How do I recharge the card itself?
    likely via the same built-in cable (plug it into any USB port or wall adapter to top it up, then flip it around to charge your phone). Don't publish until confirmed.

Compatibility & Power

  • Does it work with iPhone and Android?
    Yes — built-in USB-C, Lightning, and Micro USB cables are all on the card, so it charges iPhone, Android, or any USB device without carrying extra cords.
  • Can I take it on a plane?
    Yes — TSA-approved, well under the 100Wh carry-on limit (2300mAh ≈ 8.5Wh). Keep it in your carry-on — never checked luggage.
  • Is it safe to use?
    Built with standard battery protections (overcharge / short-circuit safeguards). 

Preorder & Support

  • Can I cancel?
    Anytime before shipping — one click, full refund. After delivery: covered by our 30-day guarantee.