SeedSigner+ Smartcard Battery Edition
€ 139.99 € 149.99Price range: € 139.99 through € 149.99
The battery-powered SeedSigner+ smartcard gives you the exact same trusted experience as the regular version, just without the cable.
Powered by 3x AAA batteries, you can use it anywhere without needing a USB connection. Pop the batteries in and you’re ready to go. Take them out, and the device turns off completely, simple as that.
We also offer an updated version with allows both battery and USB power input.
Why choose the Battery Edition?
- No cables needed
Use your SeedSigner+ wherever you want - Same familiar experience
Works exactly like the standard SeedSigner+ - Up to 8 hours runtime
On fresh AAA batteries during normal use - Easy battery access
Quickly swap batteries via the rear compartment
SeedSigner+ smartcard Features:
-
2.8″ IPS 240×320 display for clear, vibrant visuals
- Full card and SIM card smartcard slot
-
DPAD Controls for easy navigation
Included in DIY package:
- 2.8″ IPS 240×320 SeedSigner+ smartcard hat with battery connector
- Custom made battery PCB board with power cable
- SeedSigner+ smartcard Battery edition enclosure
- Spring loaded MicroSD extension
- Raspberry Pi Zero 1.3 with soldered header
- ZeroCam
- PVC smartcard
- 8Gb MicroSD card
Included in assembled package:
- Assembled SeedSigner+ smartcard battery edition
- PVC smartcard
- 8Gb MicroSD card
If you’re looking for the enclosure only, check out our Seedsigner enclosures
For every unit sold, we will donate 10$ to the SeedSigner development fund to support their work and include a free SeedSigner keychain!

















