Kinh Nghiệm Hướng dẫn 19V máy tính charger to 12V 2022

Bạn đang tìm kiếm từ khóa 19V máy tính charger to 12V được Cập Nhật vào lúc : 2022-12-24 18:08:20 . Với phương châm chia sẻ Kinh Nghiệm về trong nội dung bài viết một cách Chi Tiết Mới Nhất. Nếu sau khi Read Post vẫn ko hiểu thì hoàn toàn có thể lại phản hồi ở cuối bài để Tác giả lý giải và hướng dẫn lại nha.

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I use my máy tính a lot, for work, editing photos, internet and most often for producing music. For this reason, I need a reliable máy tính charger in my van. Something I can use daily that doesnt kill the vans leisure batteries.

Poweringmy máy tính in my van.

I also wanted a máy tính charger that runs without the use of my inverter, so needed one that runs directly off 12V, using the cigarette lighter socket. I certainly can use my 1000W inverter, and plug my original máy tính charger into it, but this is overkill and not very energy efficient, so I started looking into powering a máy tính from a car battery (or leisure batteries in my case).

My requirements were:

    12V to 19V máy tính charger (for my Acer Aspire máy tính)Plugs directly into a cigarette lighter socket (I have multiple in my van)Energy efficientBut still powerful enough to charge my máy tính quicklyQuality it needed to power my máy tính without it interfering with my audio equipment

I started digging, reading many forums, and even learning about DC-DC converters to get a better understanding what it was that I needed. After a lot of research, I found aUniversal 12V máy tính charger (Amazon).

This charger certainly seemed like it fit the bill. It looked well built, had 90W of power output (more than enough for most laptops), plugs straight into a cigarette lighter socket and even has 2 USB sockets to power tablets, phones or whatever other 5V USB device you might have. So I took the plunge and bought it off Amazon.

Ive had it for a couple of months now, and use it every single day. I must say that Im very impressed. I can now power my máy tính straight from my leisure batteries without the use of my inverter, which is more energy efficient and a lot more convenient.

A note about inverters:

Inverters change 12V DC to 220vAC (110V in some countries), and do this in one of two ways. 1 is modified sine wave (MSW), which is not the same as mains power in your home, and 2 is pure sine wave (PSW) which is the clean type of AC power, similar to what you have home.

Unfortunately, the cheap inverters are almost always modified sine wave inverters, and this is a problem when it comes to laptops. In some cases, a cheap MSW inverter will cause your máy tính screen to flicker when plugged in, which pretty much renders your máy tính useless, so these arent a practical solution for laptops.

A pure sine wave inverter works just fine with laptops, but even so, inverters arent very efficient for charging laptops. An inverter steps up your 12V to 220V (or 110V), and then the máy tính charger will step the powerback down to 18.5V, 19V, 20V etc.depending on your máy tính.

In each of these steps, theres a power loss. Also, if you leave your inverter switched on, even when its not charging your máy tính, it is still draining power from your battery.

So even though I have a 1000W pure sine inverter in my van, still wanted something that was efficient (and convenient) for charging my máy tính.

Lets take a look the 12v máy tính charger that I have:

The ZOZO 12V Universal Laptop Charger is well built and suitable for most máy tính brands.

This charger comes with 14 tips and a data sheet to help you locate the correct connection and voltage for your device. All you need to do is find the voltage and current on your original charger, and cross reference this along with your laptops brand to the data sheet. Once you have the correct tip, connect it to the end of the cable and plug in.

Technical info

Input: 11V DC 15V DC
Output: 18.5V/ 19V/ 19.5/ 20V DC
USB output: 5V 2.1A, 5V 1A

Tip details and compatible brands:TipVoltage & CurrentSizeCompatible BrandsM115V, 4A/5A/6A6.3*3.0mmTOSHIBAM316V, 4A6.5*4.5*1.35mmSONY, FUJITSUM418.5V, 3.5A/4.9A4.8*1.7mmHPM519V, 2.37A/3.42A/4.74A5.5*2.5mmTOSHIBA, ASUSM619V, 3.16A/4.74A5.0*3.0mm with pinSAMSUNGM819.5V, 2A/3.9A/4.7A6.5*4.4mm with pinSONYM919.5V, 3.34A/4.62A7.4*5.0mm with pinDELLM1120V, 3.25A/4.5A7.9*5.4mm with pinLENOVO/IBMM1218.5V, 3.5A/4.74A7.4*5.0mm with pinHPM131.58A/2.31A/2.37A4.0*1.7mmTOSHIBAM1819V, 2.1A/2.37A/3.42A3.0*1.0mmAcer, SAMSUNG, ASUSM1919V, 2.37A/3.42A4.0*1.35mmASUSM2019V, 3.42A/4.74A5.5*1.7mmACER, GATEWAYM2119.5V, 2.31A/3.33A4.5*3.0mm with pinHPM2219.5V, 2.31A/3.34A/4.62A4.5*3.0mm with pinDELLM2720V, 3.25A/4.5A11*5.0mm Square Yellow TipLENOVOM2819.5V, 2.31A/3.33A4.8*1.7mm with step plasticHPFinal verdict:

This máy tính charger works well for my needs. The only gripe I have is that the cable is a bit short. At 4ft, it just doesnt reach as far as I wanted. This isnt a major issue, and I just bought myself a cigarette lighter socket extension (Amazon)to solve this problem. If you need one of these, make sure it can handle a higher current 10A will be plenty.

Its worth noting that heres also a brick version of this product. Although its bigger, in some vehicles the plug-in one that I have will not fit into your cigarette lighter socket, depending on where its located, so just keep this in mind.

All in all, Im very happy with this charger, its made my life a lot easier.

I hope you enjoyed reading my review. If you have any questions, please leave a comment below. If you want to go ahead and get yourself one now, you can get the charger from Amazon right here (Amazon).

Update (9 July 2022):

Some people have asked me about Macbook car chargers, so I did some research and found a couple. The first one is the BatPower USB C car charger (for newer Macbooks that charge via USB C) which can be found here.

If you have an older Macbook that uses the magsafe charging cable, this version is perfect for that.

Note: I dont own any of the Macbook chargers (although keen to get one), so please note that the links to Macbook chargers are for information only. They seem to have good reviews, but I cant comment personally on them since Ive not used them myself.


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