---
product_id: 49786661
title: "12V Socket, 2.1A USB & Mini Voltmeter"
brand: "blue sea systems"
price: "41813 kr"
currency: ISK
in_stock: null
reviews_count: 11
url: https://www.desertcart.is/products/49786661-12v-socket-2-1a-usb-and-mini-voltmeter
store_origin: IS
region: Iceland
---

# Voltage Monitoring LED Indicator USB Connectivity 12V Socket, 2.1A USB & Mini Voltmeter

**Brand:** blue sea systems
**Price:** 41813 kr
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Up Your Adventure!

## Quick Answers

- **What is this?** 12V Socket, 2.1A USB & Mini Voltmeter by blue sea systems
- **How much does it cost?** 41813 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/49786661-12v-socket-2-1a-usb-and-mini-voltmeter)

## Best For

- blue sea systems enthusiasts

## Why This Product

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

## Key Features

- • **Voltage Vigilance:** Real-time voltage monitoring for peace of mind.
- • **Empower Your Power:** Stay connected with USB charging capabilities.
- • **Seamless Integration:** Designed for easy installation in any marine or automotive setup.
- • **Affordable Excellence:** High-quality components without breaking the bank.
- • **Illuminate Your Setup:** LED indicators for effortless status checks.

## Overview

The Blue Sea Systems Panel SCK USB & Volt (D) is a versatile and affordable power management solution, featuring USB connectivity, real-time voltage monitoring, and LED indicators, making it an essential addition for any marine or automotive enthusiast.

## Description

Blue Sea SystemsPanel SCK USB & Volt (D)

## Features

- AFFORDABLE PARTS

## Images

![12V Socket, 2.1A USB & Mini Voltmeter - Image 1](https://m.media-amazon.com/images/I/81lrJZ9GdrL.jpg)
![12V Socket, 2.1A USB & Mini Voltmeter - Image 2](https://m.media-amazon.com/images/I/81rpFV9Mm0L.jpg)
![12V Socket, 2.1A USB & Mini Voltmeter - Image 3](https://m.media-amazon.com/images/I/41Otcq+-ecL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Not worried charge will run down.
  

*by R***R on Reviewed in the United States 🇺🇸 on June 7, 2023*

Replaced the failed 12V outlet type with this double USB 2.0 style. Now we can charge two devices at one time if need be. Crew is happy.

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    My sample is quite good
  

*by E***E on Reviewed in the United States 🇺🇸 on March 13, 2016*

First, the unit I received appears to be exactly as listed.  It is not a 12V power jack with a USB power adapter stuck in it.  The USB ports and power converter itself  is a black conformal coated module within the cylinder you see and mount.  For marine environment use this coating is important as there is no other good way to moisture proof electronic circuits short of hermetically sealing them and using water proof input and output connectors.  So except for the exposed connector contacts on the unit, salt air should not have much negative effect on long term reliability.I bought this to power the Bluetooth to RS232 adapter on my race car's Megasquirt ECU and the Nexus10 tablet that I use for the instrument cluster on the same car.  The Nexus would not charge at above 500ma with this power port until I shorted the data pins together on one of the USB jacks as described by Mr Borosky. I have had to do this on a number of USB power ports to get more than 500ma.  There is a recent USB charge port power spec that calls for devices connected to the charge port to simply increase current draw until the USB voltage drops under 5V in order to find and use the most amperage such a charge port can supply, but I dont own any that do this yet, but I have a couple Android devices that detect the shorted data pins.I power this USB power port (and thus the Nexus and Bluetooth adapter) separately from the ignition ON switch in  the race car to reduce the time needed to have fully functional instruments upon engine startup.  Because starter current demand during engine cranking will drop available battery voltage, and I use the smallest (and lightest) battery I can afford that will start the car,  I wanted to know how well this power port would ride thru voltage sags during this time.  I found the port will remain fully functional at input voltages down to 6V and the USB port outputs remain a steady 5V until the input voltage drops to close to 5V.  Based on observing regulator switching noise on the power input, it appears the port drops out of switched regulation and into what must be linear regulation below about 7.5V because the switching noise on the input power wire completely disappears (and the green LED goes off, but the regulated 5V output continues unaffected until the input drops below 6V.  This performance is more than adequate as my system voltage on the car does not drop below 9V during cranking if my battery has a decent charge.  It also appears pretty robust in my view since some similar I have seen shut down at 9V and the outputs drop to zero volts.Because I have a number of unshielded analog sensor signals connected to the ECU and am using Bluetooth to connect the ECU with the Nexus/instrument cluster I was concerned about generated electrical noise from the unit, either radiated from the unit into the air or from the 5V outputs or 12V input.  I found no discernable noise on the 5V outputs as seen on a 350MHz o'scope or radiated into air based on a handheld 140M-900MHz amateur radio transceiver set to scan that range (actually multiple bands in that range with some frequencies that are not tuneable).  The 12V power input exhibits a 300KHz triangle wave with some 1MHz short duration ringing syncronized to the triangle peaks.  The 300KHz triangle wave is under .2V p-p and the 1MHz ringing is under .4V p-p.  Under some combinations of input voltage (7.5-15V) and load (0 to 1A tested) the ringing and triangle wave decreases or disappear entirely.  At least one reviewer wrote that his sample was producing  enough noise on the 5V outputs that the radiated noise interfered with reception on his marine radio. Based on how mine behaves, I would have to guess his was defective or a different product than the one I have.  I found that a medium sized clip-on ferrite with the power wire passing thru and a 6800uf 25V electrolytic between the power port input terminals eradicated this from the 12V wire back to the power switch.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good quality
  

*by A***R on Reviewed in the United States 🇺🇸 on May 11, 2023*

Added to my 2022 SR taco rear console

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.is/products/49786661-12v-socket-2-1a-usb-and-mini-voltmeter](https://www.desertcart.is/products/49786661-12v-socket-2-1a-usb-and-mini-voltmeter)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-01*