Mẹo về Laptop battery size mAh 2021
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J-Go Tech Support Team – October 1, 2020
Why Milliamp Hours (mAh) Isn’t Important When Charging a Laptop with a Power BankPeople often ask us, “How much mAh do I need to charge a máy tính?” Here’s why this specification can be misleading, and more importantly, how to truly calculate how much longer your máy tính’s battery can be extended with a power ngân hàng nhà nước.
After the discovery that you can charge your máy tính using a USB C power ngân hàng nhà nước, the next question you may have might be, “How do I know how many hours of additional battery life or full recharges a power ngân hàng nhà nước will give my máy tính?” The answer to this question is certainly not a “one size fits all” approach. There are some factors that only you will know that will ultimately determine the correct answer to this question. However, we’ve put together this quick guide to help you quickly determine about how much longer your power ngân hàng nhà nước will extend the life of your máy tính. To get the best estimate, here are the steps to take:
1. Find the capacity of your máy tính battery and the power ngân hàng nhà nước.Its important to know the capacity of both batteries, measured in Watt Hours (Wh) instead of Milli-Amp Hours (mAh). As an example, the internal battery capacity of the Apple MacBook Pro 16 can be measured at 8,790mAh (100Wh). This does NOT mean that a 10,000mAh (37Wh) power ngân hàng nhà nước can fully recharge it up to 1 or more times. However, a power ngân hàng nhà nước with a capacity of 27,000mAh (100Wh) would be more comparable.
(milli-amp hours) * (nominal voltage) (10,000) * (3.7) (1,000) (1,000) 2. Power will be lost while it is transferred from the power ngân hàng nhà nước to your computer. Here’s why “conversion efficiency” matters.“Conversion efficiency, is basically a comparison of how much power reaches the device being charged compared to how much power is transferred. There are many things that can impact this. Some of the most common ones are cable length, high charging voltages/currents, heat and the battery health of the computer. Most laptops charge at a current around 20V, which is significantly higher than the nominal voltage of the power ngân hàng nhà nước (3.7V). As the voltage from the power ngân hàng nhà nước is increased to the 20V current that the computer needs, heat is generated and some power will be lost. As the power leaves the power ngân hàng nhà nước and passes through the cable to your computer, you can anticipate that some power will be lost. For computers that use a large amount of power (over 65W), this will also cause more heat to be generated, resulting in more power loss. The conversion efficiency will vary greatly. Most experts say that the average conversion efficiency range is between 60% to 80% for charging small devices (phone, tablet, headphones, etc.), so this could be slightly lower for larger devices (such as a máy tính). Power banks that use high-quality internal cells will perform toward the higher end of this range, but these products are usually more expensive because premium internal cells are considerably more expensive. In our previous example using the MacBook Pro 16, a 100Wh power ngân hàng nhà nước would be comparable. Since the máy tính can charge at up to 96 watts and has a 100Wh internal battery, it would be more realistic to anticipate that a power ngân hàng nhà nước with premium internal cells would provide up to 0.7 charges (70% more battery life). 3. Determine how long your laptops battery lasts under typical usage.This will give you an idea of how much battery your computer typically uses per hour. Although it is quite common for manufacturers to list the estimated battery life of a máy tính, this number isnt accurate for every user in all situations. The type of programs you use, the number of applications open simultaneously, screen brightness, power settings and many other factors will impact battery life. Many people also notice that their battery doesnt last as long after several months of use as it did when it was brand new, as this does happen over time. Lets refer back to our original example. If your computer has a 100Wh internal battery and it typically lasts 10 hours, this would indicate that your computer will use about 10Wh over the course of 60 minutes. This would likely mean that your computer battery drops by 10% after each hour of use. 4. Think about how you intend to use a power ngân hàng nhà nước to recharge your máy tính.This is something that is easy to overlook, but its very important to consider. If you plan to shutdown your máy tính when the battery is low before connecting a power ngân hàng nhà nước to recharge it, this will help the power ngân hàng nhà nước quickly and efficiently recharge your máy tính battery. The first reason is because none of the power is being used while the computer is recharging. Another reason being that computers tend to recharge at lower currents when they are shutdown because additional power isnt needed to operate the computer, which will help the conversion efficiency between the power ngân hàng nhà nước and máy tính. If you plan to use the power ngân hàng nhà nước as a substitute for a wall charger so that you can recharge your máy tính while still using it, the power ngân hàng nhà nước wont last as long before it needs to be recharged. One thing thats easy to overlook is that your máy tính may switch to a different power mode when its connected to a charger, as it doesnt notice the difference between different types of external power sources (power ngân hàng nhà nước, car charger, wall charger, etc.). A máy tính switching to a different power mode can be a somewhat obvious sự kiện because the screen brightness will typically increase and/or backlit keyboards will illuminate, but it isnt always this apparent so be sure to check the power settings on your máy tính to see how it changes when its plugged in and when its using battery power. The Wrap-UpLets refer back to our original example for the last time and put everything together: In point #1, we determined the example laptops internal battery size (100Wh). In point #2, we determined that the conversion efficiency of a 100Wh power ngân hàng nhà nước with premium quality cells would likely drop to about 70% conversion efficiency due to the high charging current (96W watts) of our example máy tính, resulting in about 70Wh being transferred to the example máy tính battery (70% more battery life). In point #3, we learned that our example máy tính battery drops by about 10% after every hour of use, as it uses about 10Wh every 60 minutes under normal circumstances. For point #4, lets say that you have updated our power settings so that they do not change when the máy tính is plugged in. If you want to use the 100Wh (27,000mAh) power ngân hàng nhà nước to recharge your MacBook Pro 16 while still using it, we have to factor the amount of power that is being used. If you charged your máy tính for 1 hour, about 10Wh would be used to power the máy tính, which is about 10% of the laptops battery life. Since we estimated that 70Wh would be transferred from the power ngân hàng nhà nước to the máy tính, now we have to deduct the 10Wh that were used to power the máy tính. This would result in the máy tính having about 60% more battery life, or 0.6 recharges. We hope that this is helpful as you look for portable charging solutions for your máy tính. If you have any questions or need some assistance, feel không lấy phí to reach out to our team of experts! At J-Go Tech, we focus on developing innovation charging solutions that primarily tư vấn USB-C charging. As USB-C charging becomes a standard way of charging, we understand that there will be many opportunities for people to charge their devices faster, easier and with less equipment. With this, we are on a mission to educate consumers on the advantages on USB-C charging technology. Have questions or need a personalized solution? Want us to cover another topic or model? Have a question for us to cover in our next post?First Name Last Name E-Mail* Question I would like to get the latest store updates Submit Don’t Miss The Next Post!PLUS: Get Inside Information and Exclusive Offers.Subscribe Let customers speak for usfrom 103 reviews Perfect – Pairing this item with Anker Nano II brick is the most portable charging I could find. Matthew Zamora 12/23/2021
Surface Connect to USB-C Charging Cable Great Cable Just what I needed to connect my oculus to the pc. Thanks! Rene Torres 12/15/2021
4M USB-C TO USB-C 3.1 GEN 2 CABLE (5A | 100W PD) (10Gbps) As described The package took double the time to arrive, but I am blaming that on my country’s taxes collection, as the package arrived in EU 2 weeks beforehand. The cable works perfectly as described with my Surface Pro 3 and an Anker Nano II 65W. Filip 12/13/2021
Surface Connect to USB-C Charging Cable Another Thumbs Up Works great with a Microsoft Surface Go 3! Craig 12/06/2021
45W USB C Laptop Car Charger Thumbs Up Works as advertised! Craig 12/06/2021
Surface Connect to USB-C Charging Cable Great product Dan Casey 11/24/2021
Evuur ZS-5 USB-C TO USB-C 3.1 GEN 2 CABLE (5A | 100W PD) (10Gbps) Awesome product & “Over The Top” customer tư vấn. This car charger works great where a different brand (Zodiac) would only work intermittently. Wish I knew of this brand before having purchased the other. There is also a big difference in the thickness of the cables, as this one is much thicker, and of higher quality. Most important is their outstanding customer tư vấn. They actually took the time to answer my charging questions regarding my Surface-Pro-4, which went far beyond just selling their product, and they also ship using 2-day service. There was a problem regarding FedEx not getting the product to me, and I contacted J-Go Tech 8 days after it had left their facility. The owner “Jay” immediately shipped out a 2nd unit to me via UPS, which I promptly received within 2 days. About 4 days later, and after having instructed FedEx to just cancel the first shippment, FedEx delivered the initial shippment anyways. Jay helped me by giving insite on FedEx’s operations, and the initial shippment was eventually returned to them, but it doesn’t end there! Out of his kindness and generosity, Jay actually sent me a 2nd charging cable just for the troubles, which was not even their fault. Most companies these.days only care about their profits, and it was a pleasant surprise to find a company, with people of integrity, that actualy care more about it’s customers instead. I highly recommend J-Go Tech for your charging needs. Awesome product, helpful staff, and superior customer tư vấn. Stephen Hershberger 10/27/2021
45W USB C Laptop Car Charger I love it Dear all, It was very easy to place an order, very fast, I mean realy fast to deliver it to my destination in EU – 3 days or so only! And I just love that products. It is charging my hi-end config máy tính workstation with no problem. Great! Juraj ZABKA 10/08/2021
The Tanker Xtreme 100W PD Dual USB-C Power Bank | 27,000mAh Wonderfu! Quick charging. Joyce Hargrove 09/25/2021
The Tanker 45W PD | 26800mAh USB C PD Power Bank USB C Magnetic Adapter | USB 3.1 Gen 2 | 100W (5A) PD | 10 Gbps | 4K It’s an amazing product, the built quality is great and I really love it. Javaid Iqbal 09/23/2021
USB C Magnetic Adapter | USB 3.1 Gen 2 | 100W (5A) PD | 10 Gbps | 4K Display Excellent Quality This power ngân hàng nhà nước powers my gaming máy tính for at least 2 extra hours. Umut Bayraktar 09/15/2021
Z-Series 100W PD | 26800mAh USB C PD POWER BANK Excellent I use the power ngân hàng nhà nước to charge my hp spectre x360 máy tính, and occasionally charge my px 5. It has been working perfectly without any issues. TOYIN GIWA 09/05/2021
The Tanker Xtreme 100W PD Dual USB-C Power Bank | 27,000mAh Awesome The device works as described. I bought the device to take it with me on a long flight. Had no problems whatsoever going thru the airport to and from my destination. Would highly recommend purchasing! GILBERTO RIOS JR 09/01/2021
Z-Series 100W PD | 26800mAh USB C PD POWER BANK Best product out there for surface pro 7 Performs perfectly , charges multiple devices at one time its great !. John Serrano 08/30/2021
The Tanker 45W PD | 26800mAh USB C PD Power Bank Great for Surface Pro I needed a car charger for my Surface Pro, and am very happy with the J-Go kit I purchased of the 120V charger, the 12V charger and the cable. That kit is much more compact than the Microsoft charger and is all I use now. William T. Frysinger 08/27/2021
45W USB C Laptop Car Charger USB Type-C Power Banks   XCOREsion 15-45 45W USB-C PD Power Bank | 15,000mAh$74.99 Add To Cart       45W Waterproof Power Bank Set$79.99 Add To Cart    The Tanker 45W PD | 26800mAh USB C PD Power Bank$84.99 Add To Cart    XCOREsion 20-65 | 65W PD | 20000mAh USB C PD POWER BANK$89.99 Add To Cart Video tương quan |
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