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Old 09-21-2015, 01:08 PM   #1
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12 volt appliances (merged from 3 threads)

EDIT: The site team has merged three similar threads, all asking about 12 volt items from the same member. Any similar threads about 12 volt items should be limited to this one thread in order for members to better follow and offer advice.

Has anyone found a men's electric shaver that is powered by 12 volts? Also, has anyone installed one of these in their RV? How much trouble was it? Small 12-Volt Receptacle - Prime Products 08-5015 - Power Plugs & Receptacles - Camping World
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Old 09-21-2015, 01:14 PM   #2
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Installing an outlet like that should not be an issue. Allot of automotive stores and Walmart have 12V outlets that you can install. The one I installed has two USB outlets so i don't have to remember the adapters to charge my devices. I am not sure why you would need a 12V shaver. A small inverter would be able to charge a shaver, my shaver will go almost 2 weeks without recharging.
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Old 09-21-2015, 01:15 PM   #3
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There are many 12v razors on the market.
A google search brought up a vareity.
Here is just one...
http://www.amazon.com/Lowpricenice-U.../dp/B00LZLPNY6

The 12v receptacle isn't hard to install. You just need to be sure you have adequate, fused 12v power to tap into where you are installing or the ability to run the wiring necessary.
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Old 09-21-2015, 02:04 PM   #4
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I use a battery operated shaver, just charge it up when hooked up and shaver last for right many days


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Old 09-21-2015, 02:17 PM   #5
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Quote:
Originally Posted by spock123 View Post
I use a battery operated shaver, just charge it up when hooked up and shaver last for right many days


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That's what I was thinking, since any battery powered shaver is actually DC voltage. However, I guess if you were without 120 volt power for a long time, then you might not be able to recharge the battery(ies) the normal way....by using the 120 volt AC/DC charger..... but still should be able to use a small plug-in inverter to do the job.
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Old 09-21-2015, 03:55 PM   #6
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I can sometimes go for 3 weeks without charging my shaver. That's why I brought it for dry camping. I will crank up one of my Honda's and the shaver charges in a jiffy, I can't go for three weeks without cranking up a Honda


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Old 09-24-2015, 05:02 PM   #7
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12 volt computer

Has anyone found a computer that operates as a 12 volt system so you don't have to invert 120 volts to 12 volts?
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Old 09-24-2015, 05:11 PM   #8
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Most laptop computers have a 12 volt DC "Cigar Lighter" adapter available as an accessory. There are several companies that make them.

What model are you looking for?
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Old 09-24-2015, 05:32 PM   #9
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The problem with that is it is really a 120 volt computer system that you have to invert to 12 volts so it drains the house battery 10 times as fast as a 12 volt computer would.
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Old 09-24-2015, 06:50 PM   #10
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So, Jerry. That had me scratching my balding head.
I got out my HP Pavilion DV7 laptop and took a look.

The battery is an 11.1 volt 100 Watt Hour Extended Run Li-ion battery (Model number HSTNN-LB2W) and it runs the laptop just fine not plugged in.

The Transformer that charges it (and runs the computer) outputs 18.5 volts DC at 6.5 amps (120 Watts) to charge that battery AND run the computer at the same time. The AC load at 100-240 volts (rms) is 2 amps or 240 watts at 120 volts to produce that stable DC voltage output.

Thus a 12 volt cigar plug hooked to a source of DC (Converter or Battery) capable of delivering 120 Watts (10 amps) connected to a plug of the correct polarity should (will) run my Laptop just fine with no inverter or Transformer loss.

In fact here is a source for the correct car charger for my laptop. It boosts the 12 volts to 18.5 volts and only uses a measly 3.5 amps or 65 Watts for 21 bucks. HP Compaq Pavilion DV7-2177CL Car charger - HP Compaq Pavilion DV7-2177CL Laptop Car charger, HP Compaq Pavilion DV7-2177CL Car charger Price Online in US

Now it will take forever to charge my Li-ion 400 Watt Hour battery, but it will in no way destroy my camper's house battery at 3.5 amps.

There is nothing in ANY computer (laptop or desktop) that uses 120 volts except the main power supply. All components use either 5 volts, inverted 12 volts (-12 VDC), 12 volts DC or some combination (like hard drives and CD-ROMs that use +5 and +12 VDC - 5 volts for the control board and 12 volts for the motor drive).

Some newer power supplies ad 3.3 volts DC for the newer low power processors:
http://makezine.com/projects/compute...upply-adapter/
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