This is a non-isolated DC regulated power converter module with long service life. It supports over current, short circuit, over temperature protection. Designed with two heat sinks for better heat dissipation.
eBay
DC-DC 400W DC 10V-60V High-power Step Down Buck Converter Constant Voltage Constant Current Adjustable Power Supply Module
Aliexpress UK
Item Type: 24V to 12V Converter. High Performance: Adopts synchronous rectification technology, has high conversion efficiency and stable performance; The input should be at least 3V higher than output.
eBay
Step-down Transformer 220V To 110V 110V To 220V Optional Voltage Converter 50W Automatically Protect Electrical Equipment Tools
Aliexpress UK
The UK Plug to US Socket Voltage Step Down Converter by Mercury is a reliable electrical adapter designed for use in the UK region. This converter takes 220-240V AC and steps it down to 110-120V AC, making it compatible with US sockets. The sleek black colour and compact design make it easy to travel with, providing a convenient solution for powering your devices while abroad. This accessory is essential for ensuring that your electronics are compatible with the voltage requirements of different regions.
eBay
10A DC-DC 4-32V to 1.2-32V Step Down Module Solar Charger Constant Voltage Current Adjustable Buck Converter LED Driver
Aliexpress UK
Small plug-in converter allowing UK power mains devices 220 - 230Vac units to be powered from a 110Vac main outlet.
eBay
12V/24V/48V to 5V DC Power Converter 3A 5A 10A 15A 20A 30A 40A 50A Buck Regulator Step Down Voltage Supply Module For Car
Aliexpress UK
Suitable for Makita 18V Lithium Batteries：BL1815 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 etc. Efficiency: 97% (half load); 95% (full load). Output Current: 15A(MAX).
eBay
DC-DC 400W 15A Step Down Buck Converter DC 10V-60V To 0-45V Constant Voltage Constant Current Adjustable Power Supply Module
Aliexpress UK
The maximum power used by the appliance is 200W. Do not use it with high powered appliances such as hair dryers, electric iron etc. Waveform Distortion: <0.1%. Ideal for fax machine, fan, air machine, computer, water dispenser, phone/tablet etc.
eBay
10A DC-DC 4-32V to 1.2-32V Step Down Module Solar Charger Constant Voltage Current Adjustable Buck Converter LED Driver
Aliexpress UK
What is this?The DC converter can provide your device with protection against over voltage, overload, over current, over heating, short circuit, etc. It is widely used in multi-functional devices such as cars, ships, trucks, motors, solar panels, LED light strips, screen displays, etc.What will I get?Input voltage:12V/24V(8-36V)Output voltage: 6VOutput current: 6AOutput power:36WProtection Grade: IP67Size: 66 x 58 x 23mm/2.6 x 2.3 x 0.9 inch( L*W*H）Package contains: 1pcs x DC Power ConverterAre there any advantages of the product?The DC converter has a high conversion rate, over current, over voltage, short circuit, over temperature protection, strong anti-interference ability, stable and reliable, strong anti-interference ability, and a conversion rate of up to 96%.
eBay
High Efficiency Output 3.3V 5V 9V 12V 5A mini560 Step Down DC-DC Converter Voltage Regulator Buck Stabilized Power Supply Module
Aliexpress UK
Output power: 72W. - Compact converter in tough aluminum casing with pre-drilled mounting holes. Output current: 3A. - Practical and portable solution to your power problems.
eBay
24V 36V 48V 60V to 12V 1A-5A Buck DC DC Power Converter 60V-12V Step-down Voltage Regulator Transformer Car Truck Boat Supply
Aliexpress UK