My iPhone 7 battery is no longer valid This mobile phone was bought by me at the Apple Store in Hong Kong a year or two ago. The phone is quite new But the battery has been lost to 10% So I am going to change the battery. I can take the Apple Store and spend 300 oceans for a piece. Although it is much cheaper than before But this price is placed in Shenzhen (Huaqiang North) This is very expensive Shenzhen can be said to be “the world’s mobile phone repair capital” They have a lot of batteries Oh, I am going to the market now, I am going to find a wave of batteries. Now there are two problems before me. The first one, how do I know if the battery quality is good? The second one is similar. How do I know who’s battery is true? I don’t know the answer. In this episode we come together to find the answer Thanks to iFixit for sponsoring this video. Related clips at the end of the video Ok, walk up Hello there Hello there I want the battery seven generations Is this original? I want one how much is it A little expensive Hello there Hello there I want this battery seven generations How many 55 Fifty-five? Original? Ok Your Chinese Very good Where is 3Q? This is a little expensive. Not original Yes Its original, this is post-posted. Ah, this original is not This is also thank you Thank you Hello there can you speak English? You can also speak Chinese so cleverly? Where is it a little bit? How many apples do you want? I want seven generations 45 pieces? OK – 3Q Thank you – you are welcome. I want seven generations how much is it Bye bye I want seven generations The seven generations have the original (installed) imitation (system) I don’t want to logo can can? OK This logo can be erased You can also print it directly from the factory without logo. Basically similar to this I want a letter, can I? I see if I have it. No, I will wipe one for you. take a look how much is it thirty It seems that every battery stall will have a battery tester. Used to test if the battery sold to me is OK I think I have to have a whole Here is the display of cycle count and design capacity Ah, it seems like this. This seems to be unplugged? Two USB connectors “Write random loop count” Uh? Click here to clear and press and press for two seconds to write in OK Measure level This modified No 99 Only 50 Long press it to modify it yourself 102 Can only brush high This discharge is charged with charging yourself. In discharge Yep OK OK This is filled in. I know Do you understand? that’s it When it jumps here, Discharged – This is English and Chinese – right Tune yourself It has this You have it with your own computer. Cycle number clear times battery information And this serial number can also be seen This USB is connected to the computer OK, I understand that I understand – I can send you a software – this is good. This is its software OK, I know I know This is not bad – How much is this? This is a bit more expensive. Oh, oh (It can also test…) I think this is good. I want one to be able to detect whether it is genuine or imitation. This replica This authentic Well, ok, let’s do this. OK OK Everything is in order I held it in my hand I have already made a mark At that time, you can tell which store is genuine and what kind of goods How much is the price? The battery tester is also available. I also bought two Noci batteries from Taobao. This is the person who pushed me to give me Amway. Thank you. This is the standard version Same capacity as original battery This is the “MAX version”. The capacity is higher than the original. I have to see if this extra capacity is true. Then study why it can be larger than the original battery capacity. Also, is the weight and volume larger than the original one, who knows? it is good OK, this is the interface board to be inserted. This should be connected by wire This may be a load resistor that performs a discharge test on the battery. Three interface board charging head charging cable There are interfaces from 4 to X (some battery manufacturers name 6GS when the battery model is named, 4S is 4S, 4G is unknown) – Translator’s Note This board is used for USB, Lighting interface testing, or testing the wire. and this This piece is used to measure the battery of the watch and the tablet. The above shows “Connecting the interface board” “Connecting the battery” This battery is 48 yuan The seller said it was original So plug it in and then The tester will show if it is original [Tester display: original] How many times is the charging cycle? [Number of cycles: 2] How many milliamperes is the design capacity and actual capacity? [Capacity: 103% (1950/2018 mAh)] “Battery Life”? maybe Full capacity accounts for a percentage of design capacity, I think it should be, um (believe). The seller said that this is the original tester and also shows the original This battery is about 48 yuan for 48 yuan. This tester has other features Can measure charging Now charging at 500mA Full capacity above There will be some changes in the process of charging or discharging Stop charging now Discharge current 300mA The voltage is falling, I notice that the full capacity sometimes fluctuates. I think this may be how much electricity can be released by the test unit pressure drop. Then it seems to be calculated by what relationship between them… You see it falls to 2013mAh now. May be the value of the discharge current and voltage Calculate the actual capacity of the battery And definitely the longer the time is measured, the more accurate the data After calculating the actual capacity Press the “Life” button to read the battery life and how much If you long press It can be renewed (reset life data) The number of cycles is the number of times the battery is charged (complete charge and discharge times) You can reset it directly. Or long press to randomly write some small numbers into it It looks like a new battery that hasn’t been used a few times (laugh) Or completely new (laugh) I have this kind of thing because of lack of The batteries bought in the market are difficult to distinguish between old and new. the second A little bit expensive 55 But the seller said that the protection board and interface are original batteries are not The battery is brand new (author’s note: the seller said it is all original) The tester says it is a replica Ok, it means that you have met a profiteer. But things are okay No capacity loss 100% life expectancy Its hard to know that this battery is the data brushed with the tester. Take off the next one a little bit because of blowing It is a deputy brand called “Dolami”. The tester said that the imitation was expected After all, there is no apple above. Full capacity is much higher than the standard Put a little power to see if the capacity is gone. This battery looks pretty good But to activate the full capacity, it may be more and more charged and discharged several times. Also see how long the life is 80% I dont really understand the English of these manufacturers. But 80 always feels bad, 100 is right. The fourth seller said it was original The tester is also said to be original. 100% life expectancy When I bought the tester The seller said that it can measure the protection board and the battery separately. I don’t understand how to use it This piece should be all original, it is not clear. If it is a full original 0 cycle, that’s not bad. But maybe its a brush. Life test This piece is also said to be original But as much as 30 cheaper The number of cycles is not 0 Full capacity is also a little less than the design capacity This is a genuine second-hand battery I think Life test 100% I actually want to buy more deputy factory batteries. Such as Noch and Juliemi I told the owner to ask for a LOGO. Then she really erased the LOGO on this… Just wipe the apple’s LOGO directly with an eraser and a solvent (washing water). This piece has no Apple LOGO Really as long as you want it, you cant do it. The tester says it is imitation I seem to remember that she said it was not original. At least from the tester results These batteries are in good condition. Only the price is high or low Quality does not seem to have much difference So there is still room for bargaining. I think the battery 30 in this place should be more suitable. I want to buy more, so each one Its a bit boring to buy one and bargain. I don’t want to do such a thing Its a younger brothers behavior for a few dollars. Good look at life expectancy 100% These are all the batteries I bought on the Huaqiangbei market. Now let’s take a look at this Noch battery. Look at this standard version first. This complete set of tools sold on Taobao Six month warranty The two pieces seem to be as heavy. Its not very good to say by hand. This piece is Noshi’s “flagship high-capacity version” This piece is the standard version Oh, this is a little heavier. This piece is bought in Huaqiangbei market. Ah! The Norwich Standard Tester is not a replica (display non-original) Does it mean that this protection board is also produced by themselves? Manufacturers are not seen before. Xinwangda has not seen But the capacity is the number of cycles 0 Because of the lack of life, 50%? Do not understand what it means Then take a look at this flagship high-capacity version This is bigger than the capacity of Apple’s original battery. Tester says non-original is not a problem Wow look at the capacity (2238mAh) At least from the tester results, there should be no virtual standard Come and discharge it. The voltage is falling down 50% life expectancy Then I have to do it. Is to open the phone to change the battery (have been left behind and backed up for an hour to prepare Boom) Test the original battery tester See how many cycles are there The original screen glue is really a strong Have to blow with a hot air gun The most painful thing is The pull-on glue behind the battery is easy to tear off That is, the glue behind the battery is very flexible. You can pull it out and pull it out to get the battery. But if you break it, you have to get the battery. Some people say that blowing a hot air gun from the back should be better. Slowly pull… Hey! GG, what did I just say? Its dangerous to take the battery out now. Get the other one out first (clear sound) Can only heat up and then smash the battery Must use plastic crowbar If you use a metal crowbar 10,000 a battery puncture explosion, GG If the method of pulling the Lay is correct, this is the sound. This is what we want One got one more O! We will test now First test with a tester 725 cycles That really cattle The capacity has obviously decreased 85% of life? Better than I expected Is it that other parts are playing Ma Da? The manufacturer is that Huapu is still full of electricity. Do not imitate the battery before it is completely discharged. Now test the discharge Even the life expectancy is not as low as 50% No discharge first Look directly at how much life 60 With so many batteries, which one do you say? This is not bad I think the best is this. Then there is Noshis this Just put a piece of it. Decided! Noch “Flagship High Capacity Edition” Its you Before you install, see if you can boot Can also boot directly open Put the battery glue on the machine Tearing off one side of the plastic film It seems to stick to the pink side and tear the other side Tear off this side Align with the battery Hang the black part outside the edge of the battery Just align the black and white line of the strip to the edge of the battery Then tear off the blue piece of plastic Then roll the black one and stick it on the side. Finally, the plastic film is slowly torn off. Be careful not to tear off the glue. Don’t tear the glue off Be sure to pay attention to the alignment when loading it into your phone. Otherwise the plug is not easy to insert. Plug in and get it Well, there are… Right on the screen glue I have to stick it before the screen is installed. Not very good I don’t expect it to be as waterproof as before. But better than no Looks like there is no problem Finished the battery changed What did I know about this process? My old battery is no longer working, but its not as bad as I thought. Then you can really buy a battery with a higher capacity than the original battery. There are many choices From the subsidiary of “Noshi” and “Muller” Is that kind of brand The kind of apple original that I sold There are new old original imitations Then to the original original protection board but the battery is replaced Many choices This is the same as the Chinese and Chinese manufacturing industries I have understood before. As long as you want to buy any grade, you can buy it. What brand can have Just the price is different Choice in the hands of consumers What advice can I give you? I know someone will ask me. “What kind of battery should I change?” “Do I need to buy a 1000-piece tester?” Want to buy a good battery In fact, there are many ways For example, looking for a store with a better credit. Those shops that have a higher rating Every battery has been rigorously tested If you buy it anywhere in AliExpress, There is no way to lose money. Another thing I want you to know is Changing the battery is actually super simple If I am not shooting, it will take about ten minutes to get it. Even if the pull-tab is broken, it wont take too long. So I highly recommend changing the battery yourself. If you have this ability yourself Unless your phone is still insured Otherwise, I dont think there is any reason to go to the official battery. In fact, most people can change their own Not as hard as you think I wont say more about this. But not much to say and feel uncomfortable I know that you will definitely ask me. “Old brother, I want to change the battery. No need to go to Huaqiang North and AliExpress to explore with you. You just tell me which battery to buy and you’re done.” In fact, from the batteries I bought, I really didn’t find out which battery is particularly good. Then “buy, buy, buy”, there is no such thing. You can’t answer your question like this. So I chatted with my friend at iFixit. I feel that I can give you some help. Let me make it clear that iFixit is the sponsor of this video. They have ready-made battery sets Battery tools and accessories in the kit are included I asked them to send me a set. You can’t ask me to recommend me, I will recommend it right away. I have to try it. They sent me a set soon So that I can take the video as soon as possible. Unfortunately, I was not able to receive it before moving out of my apartment. If you don’t know what is going on, Go and see my last video. Didn’t you find that the familiar background has changed? So let’s open the package carefully. Have a full set of tools (*DROP*) No fixed residence It has a full set of tools for you to change batteries. Good ha Screen glue battery glue Of course, the protagonist battery The brand of the battery is iFixit No problem *unknown* iPhone 7 No problem with parameters The most important thing is… Come on the tester I wrote the imitation iPhone 7 0 cycles and there is nothing wrong with it. Full capacity 2003 mAh A little 102% larger than the design capacity Test life expectancy 100 no problem So at least from the tester results This battery is very good in the few pieces I have tested. iFixit also said all their batteries They will be tested at their headquarters by professional equipment before they are sold. This battery also belongs to the deputy factory battery is not Apple original Same as “Noshi” and “Muller” But iFixit claims They have the same quality requirements as batteries. Its also very enjoyable to work with them. They are very good people Great after sale The maintenance manual on their website is also my authoritative reference. I will refer to it every time I do an iPhone remodeling project. They also guarantee that even Apples official battery service will rise from 29 to 49. They will not increase the price of the price will keep 29 knives or even lower… Until the end of this year (2019) Their batteries are also different from the dozens of batteries on the Chinese market. One year warranty Any problem can be guaranteed If you want to buy their battery kit Or refer to the free maintenance manual on their website. I bought a battery for another place. No problem, welcome to visit their website link in the video introduction (Translator’s Note: iFixit official store does not provide services to China, please be careful to buy iFixit products on domestic shopping sites) Whether you are buying a battery at iFixit Whether buying online or anywhere else Going to change the iPhone battery is much simpler than you think. And after changing, the phone will be much better. I am Scotty of Strange Parts. 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