3350 mAh Replacement Battery Compatible for iPhone 6S Plus,Super Capacity Power UP Li-ion Battery with Repair Tool Kits Box

Great replacement battery. It shows 100% health on my iPhone. It was easy to install. Be careful removing the old battery. There is stretch adhesive 3 strips under the end at the bottom of the phone. Just grab the ends with a good pair of tweezers until you can grab it with your fingers. If you have to pry it out be careful not to bend the old battery as it can cause a short and start a fire in your hands that will not go out until it has destroyed your phone.

My iPhone did not come with an ordinary battery way of taking out, I saw no pull tabs so I had to pry it out and could not hold screen up as I needed both hands. Had screen as such in picture but somehow the super delicate cable for front facing camera is screwed with from way screen position I had so I bought one of those parts for 12.5 online. All and all would have been perfect if my battery had removable tab for the old battery being replaced, non delicate phone part, and the the one tool not breaking and the other not being crooked from getting it. Battery shows 100 percent from new battery and lasts way longer than my old bad battery.

This battery lasts longer than the original when the device was brand new. I installed it in a iPhone 6S Plus we had for several years. The original battery would no longer last a full day with light usage. This new battery now lasts me 3 days! Obviously a heavy user would get less time out of it however it goes to show what a difference it can make from a worn batter.The tools included were very nice and made the install a breeze. I did use disassembly instructions I found on the internet so I can not comment on their (small) printed directions. The procedure would be the same as you would use for any battery on the phone you are working with, so you can use any set you find the easiest to follow.The entire process took about an hour from start to finish, having never replaced an iPhone battery before. I am sure time would be significantly lower if I were to do it again.

Important note: The new adhesive strips for the battery are located underneath the tray the new battery sits in inside the case.The tools supplied are excellent but the job was tougher than the 4-5 videos I watched made it seem. The seal around the screen is much stronger then expected. Heating the phone beforehand didn't seem to help much. The old glue strips under the battery are much more difficult to remove than expected as well. Even the battery connector had an adhesive strip over it to make the job harder. I got the job done though and the new battery works fine. It came with 53% charge. I'll be cycling it as recommended the next few days then I'll update this review.Update: Wow! This is one massive battery. I discharged the factory charge 53% down to 2% then charged overnight with the standard Apple charger and cable that came with the phone. The next morning I turned on the video camera and started filming in HD (1080p at 30 frames per sec). It ran 3 hrs and 19 mins until I ran out of storage. The battery still had 50% left. This after over 23 Gigs of HD!!I discharged the remaining 50% and recharged the battery a second time. From 2% to 50% took 1 hr and 35 mins. To 100% took 4 hrs and 40 mins. Even though the readout says 100%, leave it plugged in to fully charge. It may take 6 hrs to fully the battery, as the manufacturer states.Bottom line: well pleased!! Putting one in my gf's 6 plus as well.

Followed the instructions (even though there were numerous spelling errors. Chinese trying to write in English for the first time?) and the new battery installed and worked just like it should. It [the battery] only had 49% when i installed it but it is not losing energy as fast as my old battery. 5 hours after installing it is down to 22%. Nice.

Works well and everything was good, except it would have been nice to have replacement sticky strips to hold the battery in place better, but I had some extras on hand.

Great battery. Nice kit. I recommend an extra set of hands during install. Holds charge great, maybe better than when phone was new? Definitely better than the failing battery it replaced.

This is not a lithium ion battery like it is described in the listing. This is lithium polymer. The battery from the beginning is suposedly more mah than the factory but it last just as long if not shorter than the factory battery. Move along if you want quality.