Pocket Powerbox (in short PPB) is suitable for the “grab and go” astrophotographer who does not want too much automation. Device can provide 10Amps of power, a sufficient number of 12V Outputs, Two Dew Heater Channels, A DSLR power output and an environmental sensor to monitor humidity and temperature.
The Pocket Powerbox provides:
4 x 12V DC Power outlets for your equipment
10 Amps of total power
DSLR 8V Output (Can be switched ON/OFF)
2 Channels PWM Dew Heaters – RCA Outputs
Humidity and Temperature Sensor (included)
Auto Tune Dew Heaters
Reverse Polarity Protection
USB / PC Controlled
Lightweight and extremely compact enclosure
https://pegasusastro.com/products/pocket-powerbox/
This is a new unused item - bought it for a project but changed direction
260 AUD - free post from NZ