---
product_id: 675561046
title: "3PCS YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Universal Emergency Converter JY-850"
brand: "dweii"
price: "€ 31.14"
currency: EUR
in_stock: true
reviews_count: 5
category: "Dweii"
url: https://www.desertcart.gr/products/675561046-3pcs-yx850-power-failure-automatic-switching-standby-battery-lithium-battery
store_origin: GR
region: Greece
---

# 5V-48V universal voltage range Automatic power source switching 10A high current capacity 3PCS YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Universal Emergency Converter JY-850

**Brand:** dweii
**Price:** € 31.14
**Availability:** ✅ In Stock

## Summary

> 🔋 Never lose power, always stay connected!

## Quick Answers

- **What is this?** 3PCS YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Universal Emergency Converter JY-850 by dweii
- **How much does it cost?** € 31.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/675561046-3pcs-yx850-power-failure-automatic-switching-standby-battery-lithium-battery)

## Best For

- dweii enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Reliability:** Highly rated with 4.8 stars, powering incubators, laptops, and networks
- • **Compact & Convenient:** Compact 61x30x18mm size with screw terminals for easy installation
- • **Robust Current Handling:** Handles up to 10A ensuring stable power for critical devices
- • **Universal Compatibility:** Supports DC 5V to 48V systems for versatile emergency use
- • **Seamless Power Continuity:** Instant automatic switch to battery backup under 1 second downtime

## Overview

The 3PCS YX850 is a compact, universal automatic switching module designed for DC 5V-48V systems. It instantly switches to battery power within less than a second during outages, supporting up to 10A current. Ideal for critical devices like incubators, laptops, and network equipment, it ensures uninterrupted power supply with easy screw terminal installation and a trusted 4.8-star user rating.

## Description

Specification:Item Type: Power off automatic switch moduleProduct Model: YX850Application Area: DC 5V-48VProduct Charging: 10AProduct Size: Length: Approx.61mm x 30mm x 18mm / 2.4 x 1.2 x 0.7in (LxWxH)Installation Size: Approx. 23mm / 0.9in ( 2 x Ф3MM)Note:1, Voltages of power source, battery and load should be the same. 2, When it switches, there will be a temporary power failure for about less than 1 second.Package： 3PCS YX850 Power failure automatic switching standby battery lithium battery module DC5V-48V universal emergency converter

## Features

- ❃❃As a universal type, this is the power-off automatic switch module for 5V-48V battery.Designed with screw terminals for convenient wire connection
- ❃❃When the DC terminal is not powered, the battery is automatically switched to supply power to the load.
- ❃❃This controller is used for emergency battery switching; when there is power on main power source terminal, it will connect to main power source as power supply; otherwise, it will automatically switch to battery
- ❃❃Widely used for controlling power supply of incubator, laptop, network to achieve uninterrupted power supply
- ❃❃3PCS 5V-48V 10A Power Failure Automatic Switching Standby Battery Lithium Battery Module YX850 Universal Emergency Converter

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DGXWWG2F |
| Best Sellers Rank | #36,256 in Electronics ( See Top 100 in Electronics ) #471 in International Power Adapters |
| Brand | DWEII |
| Color | 3PCS |
| Colour | 3PCS |
| Customer Reviews | 4.8 out of 5 stars 16 Reviews |
| Input Voltage | 5 Volts |
| Input voltage | 5 Volts |
| Item Weight | 1 Ounces |
| Item weight | 1 Ounces |
| Manufacturer | DWEII |
| Model Number | YX850 |
| Output Voltage | 12 Volts (DC) |
| Output voltage | 12 Volts (DC) |
| Plug Type | Type A |
| Plug type | Type A |
| UPC | 687117759016 |

## Product Details

- **Brand:** DWEII
- **Colour:** 3PCS
- **Item weight:** 1 Ounces
- **Input voltage:** 5 Volts
- **Output voltage:** 12 Volts (DC)

## Images

![3PCS YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module 5V-48V Universal Emergency Converter JY-850 - Image 1](https://m.media-amazon.com/images/I/71Gfc7EftcL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***N on 5 May 2025*



### ⭐⭐⭐⭐ Review
*by J***E on 20 May 2025*



### ⭐⭐⭐⭐⭐ Review
*by T***R on 23 November 2024*



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**Shop now:** [https://www.desertcart.gr/products/675561046-3pcs-yx850-power-failure-automatic-switching-standby-battery-lithium-battery](https://www.desertcart.gr/products/675561046-3pcs-yx850-power-failure-automatic-switching-standby-battery-lithium-battery)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-07-14*