DC Power Supply Variable 30V 5A Adjustable DC Regulated 18W USB

Used for precise charging and battery testing. It provides controllable charging current and cutoff voltage for various battery packs (e.g., Li-ion, lead-acid) and can test battery capacity and performance. A practical device for battery management, model competitions, and more.

A capable assistant for labs and educational settings! This adjustable DC regulated power supply offers clean output, precise adjustment, and supports CV/CC modes. Perfect for product testing, experiment verification, and teaching in university electronics labs and R&D departments—safe and reliable.

This is DC power supply provides safe, fast 9V/2A USB charging for your mobile devices, making it a reliable companion for travel, office, or car use. Its compact design and adjustable DC output also make it an excellent choice for small circuit debugging, charger testing, and DIY portable projects.

The professional choice for repair experts! Ideal for repairing and testing devices like laptops, routers, and small appliances. Adjustable voltage/current simulates various power states for quick fault diagnosis, an essential benchtop tool for repair shops and technical service centers.

Provides precise and stable DC power for your electronics projects, PCB testing, and component development. it meets the power and debugging needs of various devices from microcontrollers to small motors, making it an ideal desktop companion for hobbyists and engineers.

The power core for makers and DIY projects. Whether powering LED strips, Arduino projects, or testing custom circuits, its flexible adjustability and stable output provide solid support for your ideas, ensuring a smoother innovation process.

EARNMEE – Powering Your Future
EARNMEE – Top-quality solar charge controllers, inverters & power supplies.Quality You Can Trust!
DC Power Supply Variable 30V 5A Adjustable DC Regulated 18W USB
30V 5A Adjustable Lab Bench Power Supply
Student to Engineer Starter Bundle
=1 % ripple, full protection kit, test leads included—ready out of the box.Scene: Freshman lab: linear-amp project on Monday, LiFePO4 charger on Wednesday, senior-year motor controller on Friday. Overload LED teaches current limits before magic smoke appears; black/red binding posts accept banana, fork, or bare wire—one supply graduates with you.
30V 5A Adjustable Lab Bench Power Supply 18W USB
Fast-Charge & Fast-Prototyping Hub
The built-in 18W USB fast charging port lets you power your mobile devices simultaneously, making it a versatile centerpiece for your lab or workshop
30V 5A Adjustable DC Power Supply
Memory & Lock—Pick Up Where You Left Off
Recall last V/A, keypad lock, physical ON/OFF—no more “oops” moments.Scene: Field-service call to a 24 V industrial sensor loop: switch on, previous 22.10 V/0.180 A re-appears instantly, locked so overalls can’t bump it. Finish the job, power down, toss the 0.8 kg brick in the tool bag—settings saved for tomorrow’s calibration round.
DC Power Supply Variable 30V 5A Adjustable
Lab-Grade Precision, Pocket-Size Footprint
195×102×80 mm, 0.8 kg bench supply that slides between oscilloscope and laptop.Scene: Dorm-room drone repair or café-table Arduino debug—0.01 V / 0.001 A resolution keeps servo drivers or GPS modules inside spec while classmates wonder where the bulky gear went. CV/CC modes auto-switch, so you can dial 3.3 V for an ESP32 or 8.4 V for a Li-ion pack without fear of overshoot.

Used for precise charging and battery testing. It provides controllable charging current and cutoff voltage for various battery packs (e.g., Li-ion, lead-acid) and can test battery capacity and performance. A practical device for battery management, model competitions, and more.

A capable assistant for labs and educational settings! This adjustable DC regulated power supply offers clean output, precise adjustment, and supports CV/CC modes. Perfect for product testing, experiment verification, and teaching in university electronics labs and R&D departments—safe and reliable.

This is DC power supply provides safe, fast 9V/2A USB charging for your mobile devices, making it a reliable companion for travel, office, or car use. Its compact design and adjustable DC output also make it an excellent choice for small circuit debugging, charger testing, and DIY portable projects.

The professional choice for repair experts! Ideal for repairing and testing devices like laptops, routers, and small appliances. Adjustable voltage/current simulates various power states for quick fault diagnosis, an essential benchtop tool for repair shops and technical service centers.

Provides precise and stable DC power for your electronics projects, PCB testing, and component development. it meets the power and debugging needs of various devices from microcontrollers to small motors, making it an ideal desktop companion for hobbyists and engineers.

The power core for makers and DIY projects. Whether powering LED strips, Arduino projects, or testing custom circuits, its flexible adjustability and stable output provide solid support for your ideas, ensuring a smoother innovation process.
EARNMEE – Powering Your Future
EARNMEE – Top-quality solar charge controllers, inverters & power supplies.Quality You Can Trust!










































