It should be 24V DC, not be AC 24V or lower/higher than 24V DC. Check Current Check the max current your device will draw. Check Port Check the power input port of your device. Inner core polarity should be"+", exterior polarity should be" - ".
eBay
24V 3A Switching Power Supply Source 3A DC 220V To 24V Adapter Power for Transformer 220V To 24 Volt Universal Switch Charger
Aliexpress UK
Designed to convert 100~240V AC to 24V DC, this adapter is ideal for a wide range of devices requiring a 5.5 2.1mm interface. 2 x Premium BELKIN Ninety 90 Degree 4K Angled HDMI Adapter Male to Female GOLD.
eBay
24 V 24 Volt Universal Power Supply Adapter AC DC 24V 2A Adaptor Switching 5.5*2.1mm
Aliexpress UK
Type: AC/DC Adapter. Colour : Black. Condition: Good Working Condition. 100% Authentic. Hassle Free.
eBay
AC/DC Power Adapter 12V 1A 2A 3A 5A 6A 8A 10A Universal Charger EU US UK AU Plug Adapter 220V to 5/12/24 volt Power Supply
Aliexpress UK
AD24 / AD-24ES DC 9V / 9 V Volt Adapter Power Supply for Brother Label Maker
eBay
Adjustable AC DC Power Supply 220V To 12V 15V 16V 18V 19V 20V 24V Adapter 12 15 16 18 20 24 V Volt Universal Adaptor 4.5A 4A
Aliexpress UK
WARNING - This Adaptor is not suitable for appliances requiring a current of more than 1000ma. Is the amperage of this adaptor compatible with your appliance?. If you are purchasing a DC adaptor does the polarity of this adaptor (positive or negative centre) match that of your appliance?.
eBay
Adjustable Power Supply Adapter Converter DC 3V 5V 9V 12V 24V 36V 2A 220V To 3 9 12 24 36 V Volt Power Adapter 2A SMPS Source
Aliexpress UK
WARNING - This Adaptor is not suitable for appliances requiring a current of more than 5000ma. Is the amperage of this adaptor compatible with your appliance?. If you are purchasing a DC adaptor does the polarity of this adaptor (positive or negative centre) match that of your appliance?.
eBay
Power Supply DC 5V 12V 24V 1A 2A 3A 5A 6A Power Supply Adapter DC 5 12 24 V Volt With EU US UK Plug Lighting Led Strip Lamp
Aliexpress UK
Model : LQ2. Type: Power Adapter. Features : Portable, Wall Mountable. Colour : Black. Condition: Good Working Condition. 100% Authentic. Product Details.
eBay
USB C Converter Mini 12V-24V to 5V 3A Out Car Phone Charger Adapter DC DC Step Down Power Converter 12 Volt to 5 Volt micro
Aliexpress UK
Application: 24V LED Strip Light LED Driver / CCTV Security System. Output: DC 24V 3A, Input: AC 100-240V 50/60Hz, DC interface size: 5.5mm x 2.5mm (and compatible with 5.5mm x 2.1mm). It is suitable for 24V LED Strip Light LED Driver / CCTV Security System.
eBay
Switching Power Supply Adapter 5V 12V 24V 1A with DC Plug AC 220V 110V TO 5 12 24 Volt Driver LED Lighting Transformer Source
Aliexpress UK