---
product_id: 791148043
title: "LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla"
brand: "akobearla"
price: "€ 1.08"
currency: EUR
in_stock: false
url: https://www.desertcart.fi/products/791148043-lm2596s-dc-dc-voltage-regulator-step-down-4-5v-40v
store_origin: FI
region: Finland
---

# 3A max output current 92% high conversion efficiency 1.25V-35V adjustable output LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla

**Brand:** akobearla
**Price:** € 1.08
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power up smartly, stay cool, and never miss a beat!

## Quick Answers

- **What is this?** LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla by akobearla
- **How much does it cost?** € 1.08 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/791148043-lm2596s-dc-dc-voltage-regulator-step-down-4-5v-40v)

## Best For

- akobearla enthusiasts

## Why This Product

- Trusted akobearla brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Stay Cool Under Pressure:** Integrated heat sink and thickened circuit boards ensure low temperature operation even above 2.5A output current.
- • **Efficiency That Saves Energy:** Up to 92% conversion efficiency means less wasted power and longer device life.
- • **Power Your Projects with Precision:** Continuously adjustable output voltage from 1.25V to 35V lets you tailor power exactly to your device’s needs.
- • **Versatile Multi-Device Compatibility:** Perfect for car power supplies, electronic equipment, and voltage testing with a wide input range of 3.2V to 40V.
- • **Robust Build for Reliable Performance:** High-quality Sanyo solid capacitors and high-Q inductors deliver stable, noise-free power.

## Overview

The Akobearla LM2596S DC-DC step-down voltage regulator module offers a highly efficient (up to 92%) and adjustable output voltage from 1.25V to 35V with a maximum current of 3A. Featuring a built-in heat sink and premium components like Sanyo solid capacitors, it ensures stable, low-temperature operation even under heavy loads. Ideal for powering and testing a variety of electronic devices, this compact module supports input voltages from 3.2V to 40V and comes in a convenient pack of four.

## Description

Parameter:  Weight: 13.2g/pc Dimmension: 43(L) x 21(W) x 14(H)mm (16.93 x 8.27 x 51.51inches) IN+ input positive, IN- output negative OUT+ output positive, OUT- output negative Dimensions: 45 (L) 20 (w) 14 (H) mm (with potentiometer) Input Voltage range: DC 3.2V ~ 36V (Max below 35DCV, input voltage must be higher 1.5V than output voltage, can’t boost) Output Voltage range: DC 1.25V ~ 34V (Max below 32DCV) voltage continuous  adjustable,high-efficiency maximum output current of 3A Conversion efficiency: 92% (the highest) Working Temperature: - 40 ℃ to + 85 ℃ Measured12V input, 5Voutputcurrent is 1Aload regulation rate of less than1% Note:  1.this is the step-down module, the input voltage must be higher than the output voltage 2.Pls don’t reflect in connect the circuit on input/output, or it might burn off Voltage Adjustable:  Connect the power (3-40V) ,adjust the blue potentiometer knobs, (anti-clockwise rotation step-down) and monitor the output voltage with a multi meter to reach the required voltage. Application: 1.Car stable voltage power supply, only need to connect the module to the car cigarette lighter power supply, you can adjust any output voltage  bewteen 1.25V~30V by Adjusting the potentiometer for charging for your mobile phone, MP3, MP4, PSP,etc and many devices, simple and convenient. 2.Power supply for the electronic equipment, you can adjust the voltage 3-35V what you need with this module according to electronic equipment, easy and convenient. 3.Voltage Testing for system work, you can debug a variety of voltage test of system working with this module, easy and convenient. Package included: 4 x DC-DC step-down buck module

## Features

- We add a heat sink on Voltage Regulator, low temperature when working at output current over 2.5A (Or output power over 10W)
- Buck Converter: All sanyo solid capacitors, the 36u thicken circuit boards, high-q inductance with output value of high -power LED indicator
- Voltage Regulator Output: DC 1.5V to 35V voltage continuously adjustable, high-efficiency (up to 92%) maximum output current at 3A
- Buck Vonverter Input: DC 3.2V to 40V (input voltage must be higher 1.25V than output voltage, can’t boost)
- Dense vias, good heat dissipation, excellent electromagnetic compatibility with the X7R high Q high frequency bypass capacitor at the input and output

## Product Details

- **Brand:** AKOBEARLA
- **Current Rating:** 2.5 Amps, 3 Amps
- **Manufacturer:** Bdney

## Images

![LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla - Image 1](https://m.media-amazon.com/images/I/61HvGAcNbNL.jpg)
![LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla - Image 2](https://m.media-amazon.com/images/I/61xXDYeYKBL.jpg)
![LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla - Image 3](https://m.media-amazon.com/images/I/41FNIcN44TL.jpg)
![LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla - Image 4](https://m.media-amazon.com/images/I/41fJpixE-LL.jpg)
![LM2596S DC-DC Voltage Regulator step-down 4.5V-40V power supply module 3A Adjustable Pack of 4 by Akobearla - Image 5](https://m.media-amazon.com/images/I/4170agtIHJL.jpg)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-15*