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12v PD supply power cable ( Compatible with 12v Celestron telescopes)
This power cable enables safe delivery of 12 volts from a compatible USB-C power source to your 12V Celestron telescope, ensuring optimal performance by negotiating the required voltage through a smart chip. It's ideal for those using PD chargers or power banks that support 12V output, providing reliable power without data transfer capabilities. Ensure your power source has adequate wattage to meet your device's needs.
Features
12V Power Delivery (PD) cable works by using a small, built-in "smart chip" to negotiate a specific voltage with a compatible USB-C power source, such as a PD charger or power bank. This communication process allows the cable to safely request and receive 12 volts, rather than the standard 5 volts supplied by older USB connections.
How the Process Works
- Connection: When the USB-C end of the cable is plugged into a PD-capable power source, an initial 5V is supplied.
- Negotiation: The smart chip inside the cable communicates with the power source's own internal chip. It essentially sends a message saying, "Hey, I need 12 volts". This is part of the USB PD protocol, which allows for it to supply 12V.
- Power Delivery: Once the voltage is confirmed, the power flows through the cable (typically ending in a DC barrel jack) to power the 12V device, such as a router, small monitor, or security camera
Key Requirements
- PD-Capable Source: The power bank or charger you use must explicitly support a 12V output profile. If it only supports other voltages (e.g., 5V and 15V but not 12V), the cable will request the closest lower voltage (9V or 5V), which may not work for your device.
- Sufficient Wattage: The power source's total wattage must be greater than the power required by the connected 12V device. A typical cable supports around 3A at 12V (36W max), but options up to 60W or higher exist.
- No Data Transfer: These specific 12V power-only cables typically do not support data transfer.