# COLDPOWER

COLDPOWER is a 9-volt battery to USB power adapter from Coinkite for powering COLDCARD and other low-power USB devices without a USB data connection.

## Key facts
- Product: COLDPOWER 9-volt battery to USB adapter
- Best for: Bitcoin self-custody users who want no-data USB power for COLDCARD workflows
- Output: 5 volts, 500 mA max current
- Data path: no USB data path
- Maker: Coinkite
- Buy: https://store.coinkite.com/store/cldpwr

## Main page
- https://usbcoldpower.com/