Lithium Battery Boost Module Adjustable Output 4.2V to 28V 1A Charging

Li-ion Boost Module with Adjustable Output 4.2V to 28V and 1A Charging

Adjustable Voltage Regulator Module 4.2V-6.5V Input 4.2V-28V Output 1A Max

Adjustable DC Boost Converter Module 4.2V to 28V Output 1A Max Current

DC Boost Converter Module for Li-ion Batteries Adjustable Voltage Output

1PC Adjustable Boost Converter Module 4.2V-6.5V Input 4.2V-28V Output 23.4x18mm

10pcs DC-DC Boost Converter Board Adjustable Input 2V-24V to 5V-28V Output

DC-DC 12V Converter 15-40V Input Output Current Options 1A 2A 3A 4A 5A