Usually yes, as long as you pick the right variant. A 12V DC fan itself does not care about the country. What matters is the power unit that converts mains to 12V, and the plug that connects it to the wall.
Singapore power basics
- Mains voltage is 230V, 50Hz.
- Wall sockets and plugs are Type G, the three-pin plug also used in the UK.
- Plugs and adaptors sold for use in Singapore are expected to meet local safety requirements. Look for the SAFETY Mark on regulated products. Enterprise Singapore explains the scheme at consumerproductsafety.gov.sg.
Reading the listing
The featured listing shows AC options of 110V, 115V, 220V and 230V. These refer to the mains input the power unit is built for. For Singapore, the 220V or 230V option is the one to consider. A 110V/115V unit is intended for lower-voltage countries and should not be plugged into 230V mains.
The product photo shows a flat two-pin plug of the kind used in North America. It will not fit a Singapore socket. Check whether the listing offers a UK-style plug option, and confirm with the seller what you will receive.
What about plug adapters?
A plug-top adapter that changes the pin shape can work, but it should be a quality item that is suitable for Singapore and rated for the load. Avoid cheap unbranded adapters, do not stack adapters, and never cut a plug off and re-wire it unless you are qualified. A fan and its power unit draw little power, but a loose or poorly made adapter is still a risk.
Check the power unit label
When the unit arrives, read the label. It should show the input voltage range (such as 100-240V or 220-240V), the output (12V DC) and the current rating. If the input does not cover 230V, do not use it in Singapore.
If in doubt
Ask the seller for the exact input range and plug type, or consult a licensed electrician. We cannot see your setup, and this guide is general information only.