Output range: 1.3v ~35V. Input range: 3.8v ~32V. Input current: 3A (maximum), no load 18mA (5V input, 8V output, no load less than 18mA). Module nature: non-isolated. The built-in 4A high efficiency MOSFET switch tube, so that the efficiency up to 94%;.
eBay
XL7015 DC-DC Dc converter Step-down module 5V-80V Wide voltage input 7005A LM2596
Aliexpress UK
3000W 12V/24V 360AH/180AH 1h 03min. 1500W 12V/24V 200AH/100AH 1h 10min. For example, for loads near 700w, it's better to choose inverter with continuous power more than 800w. For example, if you run an 800W heater for 2 hours, how many AH batteries should be used?.
eBay
SM 3.5A DC-DC Converter Module Buck Step-Down Voltage Regulator Board 4.5V-27V to 3V 3.3V 3.7V 5V 6V 7.5 9V 12V DD2712sa
Aliexpress UK
Maximum output: 300W(suitable for electrical appliances under 220W). The maximum power of 300W is limited to electrical appliances within 220W (excluding electrical appliances with motor codes). Plea se check the Switch Place at the bottom of the adapter before using it, otherwise you may make a mistake and destroy the product!
eBay
DC-DC DC 5-40V to 3V 3.3V 3.7V 5V 6V 7.5V 9V 12V 1A Buck Step Down Converter Module Voltage Regulator Board without Pin
Aliexpress UK
3-12V 5A 60W. Adjustable Power Adapter. DC 3-12V(Adjustable). Output current AC 100-240V 50/60HZ. 8Pcs DC Connector as photo show. We do our best to resolve any issue. We will do everything we can to give you a satisfying solution.
eBay
35W/80W DC DC Buck Boost Converter CC CV Adjustable DC Voltage Regulator Power Supply Step Down Stabilized Module 6-36V 5-30V
Aliexpress UK
Use as a normal buck modules with over-current protection capabilities. This module is more than 5A in use, to enhance heat dissipation. 1 x DC Buck Converter. Built in thermal shutdown function, current limit function, output short protection function.
eBay
DC-DC 12V to 5V 3A 15W Car Power Converter Micro USB Step Down Voltage Power Supply Output Adapter with Reverse Protection
Aliexpress UK
In addition, the DC / DC converter has a USB port for charging smartphones, etc. Short circuit protection. Output current: 3A (max 5A needed cooling). Warm tip ：.
eBay
XY6020L Numerical Control DC 6-70V Step Down Stabilized Power Supply Constant Voltage Current Buck Converter Module 20A/1200W
Aliexpress UK
In addition, the DC / DC converter has a USB port for charging smartphones, etc. Output current: 3A (max 5A needed cooling). Short circuit protection. Wenn Sie mit Ihrem Kauf nicht 100% zufrieden sind, können Sie das Produkt zurückgeben und eine vollständige Rückerstattung erhalten oder das Produkt gegen ein anderes austauschen, sei es ähnlich oder nicht.
eBay
DC DC Buck Boost Converter 40W/90W Stabilized Voltage Power Supply Step-Down Module Adjustable Regulated Laboratory Power Supply
Aliexpress UK
Maximum output current: 2A. The peak current output current is no more than 2A.
eBay
XH-M401 DC-DC Step Down Buck Converter Power Supply Module 8A 200W XL4016E1 PWM Adjustable 4-40V To 1.25-36V Voltage Regulator
Aliexpress UK