oGoDeal Replacement Battery for Samsung Gear S3 Frontier(SM-R760) and Gear S3 Classic 3.85V 380mAh Battery SM-R770,BR760,R765 EB-BR760ABE GH43-04699A Battery with DIY Repair Tools

This review will be updated if and when there is some data on the new battery regarding longevity and capacity. It arrived at 62,% charge and after being installed in my R760 and 3 hours on the oem charger ,read 100%. The installation was relatively easy because the tools packed with the batter were of decent quality and were absolutely correct for the case "y" head screws and the motherboard Phillips screws. The plastic spudger and guitar picks were generic and worked. The metal opening tool was too thick and I opened the case using ,initially , a very thin knife blade. A review of youtube installation videos and the package insert instructions made the battery replacement manageable. So far the battery is performing well and it looks like I'll get a least 2 days use without recharge.This is with having fairly continuous drain with always on background wifi and Bluetooth but screen ( mostly) off. The oem battery lasted 4 years with nightly full charging. This time I'll try the charge to 80% discharge to 20% protocol. ( note: my old battery was swollen) Watch works like new and despite an hour without power ( despite bad battery , I kept the watch on the charger - continous green lite) all the settings ,wifi password, etc. were preserved. If I get more than a year on this new battery, I'm happy and will not downgrade the 5 star rating.Update: Got 4 days i.e. 96 hours down to 9% when I recharged. 3+ hours and green light and 100%.

I have the S3 Classic and was anxiously awaiting an announcement of a Galaxy Watch 2 ( I skipped buying the Galaxy Watch ). My battery on my S3 wasn't making it through the mid-afternoon. When the rumored release of a successor to the Galaxy Watch didn't happen in August, I decided to look at the possibility of replacing the S3 battery. I'm pretty handy but the couple of videos that I saw made it seem as if there were a lot of possibilities for breaking the watch to accomplish this. With my S3 only lasting for a few hours, I decided to try to battery replacement.It arrived the day after I ordered it and came with all necessary tools. The instructions were not bad but it was really helpful to look at a couple of you-tube videos. Prying the case open and then pulling the motherboard away from the chassis were both somewhat difficult as in each case I was pretty sure that I was going to crack something or rip a ribbon cable (note that when you pull the motherboard out it is connected by both the battery cable and another thin and delicate ribbon cable). Although some of the disassembly took a fair amount of force, if you work carefully, they both come free (you also have to be careful when pulling the old battery away from the adhesive that keeps it attached to the watch).Bottom line: After about 45 minutes I had pulled everything apart got the the new battery installed, and the watch booted up and is now working great. After about 15 hours of "always on" use I'm at 55% battery life. The watch is like new again. Assuming that the battery has a good long life, this was a great $21.00 investment for the battery and tools, and actually a fun project. One last bit of advice: When you pull the old battery away from the adhesive pay attention to where the battery ribbon connection connects to the watch. If you're not sure watch you-tube video.

Worked perfect for renewing my Frontier watch which was dying within hours of coming off the charger. Overall replacement was pretty easy. Took about 20mins start to finish. Watch operating like new and lasts 2 days on full charge.

I was reluctant to purchase a battery for my Samsung Galaxy Gear 3 classic. This watch was a refurbished watch from Amazon, and I was highly disappointed in the battery life after six months of usage. By the time I got to Christmas of 2021, my battery barely lasted 5 hours. In January, it would randomly shut off and not boot on a 80% charge. I grew frustrated and nearly gave up until my father-in-law suggested I purchase a new battery from Amazon. I did just that and I would suggest to not listen to the negative reviews on this battery. The instructions were easy to follow and I replaced my original battery in a matter of 20 minutes. The included screwdrivers and tools made getting the case open and removing the batter easy. Remember to be careful as the wires are very thin and you don’t want to break them. But if you go slow and easy, you’ll do just fine. I’ve had this battery in since May 7th and I couldn’t be more pleased. I pull the watch off in the morning and when I go to recharge the battery in the evening I often have 70% battery left after a full day’s use. Heavy usage the batter will drain to 55% by evening. Not bad for a replacement. I can easily get nearly 2 full days on one charge. Highly recommend.

Replacing the battery is a very difficult procedure. It is even harder without perfect vision. I finished the installation and the connections didn't connect. I chucked the watch in the trash.