Celestron Smart Power and Dew Control 2x The Celestron Smart Power and Dew Controller 2x combines automatic dew-heater control and 12 V power distribution in one unit. It keeps optics dew-free while tidying the cables on your mount.
Manufacturer model: Celestron Smart Power and Dew Controller 2x · Specifications checked against manufacturer data on 2026-11-03
The Celestron Smart Power and Dew Controller 2x combines automatic dew-heater control and 12 V power distribution in one unit. It keeps optics dew-free while tidying the cables on your mount.
Two RCA dew-heater ports each have a matching thermistor port, so the controller can regulate heater output from measured temperature. You can control it from CPWI on a computer or from a compatible Celestron hand controller via the AUX ports.
The controller accepts 12 V DC and delivers up to 10 A (120 W) in total. It also provides a fixed 12 V output rated at 7 A.
| Input | 12 V DC; barrel input up to 10 A |
|---|---|
| Total maximum | 10 A / 120 W |
| Dew-heater ports | 2 × RCA |
| Thermistor ports | 2 × 2.5 mm audio |
| Fixed 12 V outputs | 1 × 5.5 × 2.1 mm, 7 A maximum |
| AUX ports | 2 |
| PC interface | USB 2.0 Type B |
| Control | CPWI or compatible Celestron hand controller |
| Dimensions | 139.7 × 114.3 × 82.55 mm |
| Weight | 544 g |
Celestron Smart Power and Dew Controller 2x
2x version, not 4x. Per-channel dew current limit not published.
| Input voltage v DC | 12 |
|---|---|
| Total max | 10 A / 120 W |
| Dew heater ports | 2 x RCA |
| Thermistor ports | 2 x 2.5 mm audio |
| Fixed 12v outputs | 1 x 5.5 x 2.1 mm, 7 A |
| Aux ports | 2 |
| PC interface | USB 2.0 Type B |