Best Power Entry Modules of 2025

The DollaTek Boost Converter offers a convenient solution for power management. When the load current is less than 50mA, the output automatically turns off, saving energy. You can easily control the power display and 5V output with a simple short press, enhancing user experience. Additionally, the module supports an external key connection, allowing for flexible operation. The device also features a welding position for USB-A, making manual installation straightforward and accessible for DIY projects.

The DollaTek 1117-3.3 Regulator is a versatile power supply module that steps down voltages from 4.75V-12V to a stable 3.3V output, making it ideal for various electronic projects. With a current output of 0.8A, it efficiently powers devices like Arduino boards and low-power MCUs. The simple dual-panel design and easy two-pin connections ensure a hassle-free setup for your projects. Additionally, the built-in overheat shutdown circuit protects your devices from overload and overheating, giving you peace of mind during operation.

The JZK HLK-PM01 Power Supply is a versatile module that converts AC 220V to a stable 5V DC output, making it ideal for various smart home applications. It operates within a broad input voltage range of 90 to 264V AC, ensuring compatibility with different power sources. With a low output ripple and noise, it provides a clean power supply, enhancing the performance of your connected devices. Additionally, it features overload and short circuit protection, offering peace of mind as you utilise your electronic devices safely.

The DollaTek Mini Power Module is a non-isolated step-down module that provides efficient power conversion. With an input voltage range of DC 4.75V to 23V and an adjustable output voltage from DC 1.0V to 17V, it allows you to tailor the voltage to your specific needs. This module is capable of handling a rated output current of 1.8A, which is useful for various applications without overheating. Additionally, it features synchronous rectification for improved efficiency and a low output ripple of just 30mV, ensuring stable power supply for your devices.

The JZK XL4015 Converter is a highly efficient adjustable buck module designed for various applications. With an input voltage range of 4V to 38V and an adjustable output voltage from 1.25V to 36V, you can easily tailor the power supply to your needs. The module features a maximum output current of 5A, ideal for driving high-power devices. Additionally, it has built-in protections against short circuits and overheating, ensuring safe operation during use.

The Caredy Battery Switch is an efficient solution for emergency battery management. It automatically connects to the main power supply when available and switches to the battery when the main power is lost. This feature ensures uninterrupted power to your devices. With a control voltage range of DC 12V to 48V and a load current of 10A, it identifies the voltage automatically, providing convenience and reliability. The easy wiring design with screw terminals makes installation safe and straightforward, allowing you to set it up with ease.

The AOICRIE AS1117 Module offers a reliable solution for powering your electronic projects. With an input voltage of DC4.5-7V and a stable output of DC3.3V, this module is designed to meet the needs of various microcontrollers, such as Arduino and ESP. You can depend on its AS1117-3.3 LDO chip for consistent low-voltage power supply during your experiments. However, be cautious not to exceed the specified operating voltage or reverse polarity, as this could easily damage the module.

The Youmile Charge Discharge Module is an efficient solution for charging and discharging 18650 lithium batteries. It operates with a recommended charging voltage of DC 5V and can handle a charging current of up to 2.1A. With its impressive discharge efficiency of up to 96%, you can rely on it for optimal performance. Furthermore, the module features essential protection functions such as over-current and short circuit protection, ensuring safety during use. This makes it a versatile choice for various applications, from solar panel charging to powering household devices.

The DollaTek Power Supply Converter offers an efficient solution for your power needs. With its synchronous rectification scheme, you can expect high current output and excellent efficiency, making it ideal for various applications. The unit features a DC plug and terminals for easy usage, allowing you to set it up without hassle. Additionally, the built-in USB port includes a fast-charge identification chip, ensuring compatibility with both Android and iPhone devices, so you can charge your gadgets swiftly and conveniently.

The Hailege MP1495 Module is an efficient DC-DC step down converter, allowing you to adjust output voltage from 1.25V to 5V. This feature is particularly useful if you need to power various devices that require different voltage levels, providing flexibility in your projects. With an input range of DC5-16V and a maximum output current of 3A, it ensures reliable performance for your electronics. It simplifies your power management tasks by offering multiple voltage options in one compact module, making it an ideal choice for hobbyists and professionals alike.