To enhance heat dissipation up to 200W. The maximum peak output is current 15A. Overcurrent protection: Yes (the output current exceeds (15A) current maximum sample protection only). Type: Non-isolated step-down module (BUCK).
eBay
XY6020LS DC6-70V Adjustable Color Screen Step Down Stabilized Power Supply 20A 1200W CNC Constant Voltage Current Buck Converter
Aliexpress UK
DC36V/48V To DC24V 20A 480W Step-Down Power Supply Converter Regulator Module Feature: 100% brand new and high quality. Waterproof, Shockproof Design. Aluminum Outer Case material, long term stable and reliable. Thin, small size, high efficiency and easy to install. Purpose : Car alarms, radio, intercom, electric motors, audio, navigation, surveillance, LED car display, air conditioning, fans,solar energy, DVD, LED lights, motors, pumps, and industrial electrical equipment, etc. Input wire color : (+)Red, (-)Black. Output wire color: (+)Yellow, (-)Black. Note: Please be remind to make sure wiring carefully & correctly. No wiring reverse short-circuit protection for this device. .
eBay
Mini DC 24V to 12V Power Converter 10A IP68 Protection Auto Buck Regulator Step-Down Voltage Power Supply Module For Car LED
Aliexpress UK
Plug type: CN standard plug. Maximum output:500W(suitable for electrical appliances under380W). Small size and light weight, ideal for traveling to anywhere, very convenient.
eBay
High Efficiency Output DC-DC 25V to 3.3V/5V/9V/12V 8A Buck Step Down Converter Board Module Voltage Regulator PCB Board
Aliexpress UK
The maximum load power is 100W. you need to check the switchs' place at the bottom of the adapter as follows 1x Power Converter. If you are not use it pls plug it out! Sound & Vision. Very portable and convenient to use.
eBay
1200W/1500W DC-DC buck converter adjustable step-down power module DC15V-90V to DC2.5V-72V 30A/50A constant voltage power 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
USB Step Up/Down Buck Boost Converter Power Supply Voltage Regulator Module Adjustable Potentiometer LED DC-DC 5V to DC 1-24V
Aliexpress UK
Improve the cooling function of 200W. Module 1. Output current: normal 10A, MAX15A. Aluminum shell size: 70 x 38 x 31 mm/27.5 "x15" x12“. i1.1365Kri3Kri3uk" style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; height: 11754.6px; position: absolute; top: 0px; visibility: hidden; width: 1000.49px; z-index: -1;">.
eBay
48V-96V to 12V DC Voltage Converter Stable Waterproof Step-Down Efficient Output Power Supply Transformer
Aliexpress UK
24V to 12V Step Down 120W DC Voltage Converter Regulator Supply Waterproof 10A
eBay
Mini560 Step Down 5V 5A DC-DC Converter Voltage Regulator Buck Stabilized Power Supply Module
Aliexpress UK
Small size and light weight, ideal for traveling to anywhere, very convenient. Plug type: CN standard plug. Maximum output:500W(suitable for electrical appliances under380W).
eBay
DC-DC Mini 560 Step Down DC-DC Converter Output 3.3V 5V 9V 12V 5A Mini560 Voltage Regulator Buck Stabilized Power Supply Module
Aliexpress UK