The original power adapter for the Canaan Avalon Nano 3 and 3S is a specialized high-wattage power supply unit (PSU). Unlike standard laptop chargers, this adapter is designed to handle the continuous high-draw demands of ASIC mining while doubling as a power source for the device’s heating function.
Below are the technical specifications for the official 140W version (included in the “Full Set”):
Technical Specifications
Model Compatibility: Avalon Nano 3, Avalon Nano 3S
Max Power Output: 140W
Output Voltage: 28V DC
Input Voltage: 100-240V AC (Global compatibility)
Frequency: 50/60 Hz
Connector Type: USB-C (High-current rated)
Key Features
Variable Power Support: While the standard adapter is 140W, the Nano 3 device can also operate with 65W or 100W PD (Power Delivery) adapters, though it will automatically down-clock its hashrate to match the lower power ceiling.
Safety Protections:
Over-voltage protection (OVP)
Over-current protection (OCP)
Short-circuit protection (SCP)
Design: Often features a semi-transparent or sleek industrial “circuit board” aesthetic to match the Nano series design language.
Versatility: Due to its USB-C termination and high wattage, it can technically be used to power high-end laptops (like a MacBook Pro), provided the laptop supports the 28V power profile.
Usage Recommendation
If you are looking for a replacement, ensure the adapter specifically supports 28V output. Many standard 100W or 140W phone/laptop chargers only go up to 20V; using an under-specced adapter will limit the Nano 3’s performance or prevent it from starting the mining process entirely.
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