MT3608 DC-DC Upward Converter 2A Adjustable Amplifier Module Voltage Regulator Board Input Voltage 2V-24V to 5V-28V Output Voltage (with USB Connection)

Reliably increases the voltage to the desired output power: the maximum output current: 2A (1A is recommended for a long time); the input voltage: 2V - 24V, the maximum output voltage: 28V; efficiency: max. 93%
MT3608 has undervoltage lock, current limiting and thermal overload protection to prevent damage in the event of an output overload
Excellent and easy to DIY: easy to solder, easy to adjust. Works as it should, widely used for storage batteries, power transformers, DIY adjustable controlled power supply, industrial equipment, 5V, 9V, 12V, 28V output etc