IP68 Waterproof：This converter adopted heat conduction organic silica gel filling and sealing technology, waterproof, anti-shock, anti-humidity and dust-proof. Which make it can be used outdoors withstanding heavy rains or bad weathers.
eBay
DC-DC 12V 24V 36V 48V 60V to 5V 5A 8A 10A Step Down Voltage Power Converter 48V to 5V 10A 50W Buck Module
Aliexpress UK
Switching frequency: 47~63KHZ. DC 9V Version DC 5V Version Overcurrent protection, short circuit protection, temperature protection. Full load output ripple: Vpp <400mV. DC 3.3V Version DC 24V Version.
eBay
LM2596S DC-DC Buck Converter Module 24V/12V to 5V 5A Step down Voltage Regulator Adjustable Power Supply Board with USB Port
Aliexpress UK
Short circuit and overload protection. or Negative. We maintain the excellent service standards.
eBay
18V-90V to 12V 13.8V 5A 10A 15A 20A 30A DC-DC Converter Step Down 24V 48V 60V 72V Voltage Reducer Buck Module for Cars ROHS CE
Aliexpress UK
IP68 Waterproof：This converter adopted heat conduction organic silica gel filling and sealing technology, waterproof, anti-shock, anti-humidity and dust-proof. Which make it can be used outdoors withstanding heavy rains or bad weathers.
eBay
12V24V to 9V 7.5V 6V 5V 4.2V 3.7V 3V 3.3V 5A 12V to 9V 24V to 9V transformer step-down module DC DC Power Converter CE RoHS
Aliexpress UK
Tower Point. Smoking Pipe. Energy Generator. Hair & Head Jewellery. Parts of Bicycle. 【Excellent performance】 The car power converter has good load capacity, performance 100% stable, constant current and constant pressure.
eBay
Mini560 DC-DC Buck Converter 5A Step Down Power Module 4.5-36V to 3.3V/5V/9V/12V Fixed Voltage Regulator for Arduino ESP32 BMS
Aliexpress UK
IP68 ：This converter adopted heat conduction organic silica gel filling and sealing technology,, anti-shock, anti-humidity and -proof. Which make it can be used outdoors withstanding heavy rains or bad weathers.
eBay
High Efficiency Mini560 Output 3.3V 5V 9V 12V 5A Step Down DC-DC Converter Voltage Regulator Buck Stabilized Power Supply Module
Aliexpress UK
This high-performance handheld inverter easily converts 12V DC to 220V AC, compatible with digital devices and appliances under 500W (except inductive/motor loads). Type: Power Inverter. 1 × Inverter.
eBay
8-90V 12V 24V 48V 60V 72V 90V to 5V 5A DC DC Step Down Converter 25W Type-C USB Micro Buck Power Supply Mobile Phone Charging
Aliexpress UK
Output Current:500mA. Output Current:1.5A. Output Current:2A. Output Current:3A. Output Current:4A. Output Current:5A. With shell, can effectively waterproof, growth of service life;. Garden & Patio.
eBay
GYVRM 12V to 24V DC DC Step Up 1A 2A 3A 4A 5A Non Isolated Boost Power Converter 12 Volts to 24 Volts Voltage Regulator
Aliexpress UK