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2300 mAh battery for HTC Sensation found...any Reviews?

Hi,
today I found this extremly big battery on ebay, but I can't really believe that high capacity...It's got 50% more capacity!
Maybe someone here already got it?
http://www.ebay.de/itm/2300mAh-High...311?pt=LH_DefaultDomain_3&hash=item35b453faff

it looks slightly thicker than the original.
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Try it out and tell us.
I think it's fake though.

I still prefer my 3200 mAh one.

Why do you think it's fake? There are bigger ones out there!

austendale9 said:
Why do you think it's fake? There are bigger ones out there!
Click to expand...
Click to collapse
Because it looks quite fake and it's on ebay as well. It most likely isn't truely 2300 mAh.

Could anyone test this akku-packs until now? I am thinking of order some...

For value, quality & actually results look no further than the Anker 1900 mAh. Plus it doesn't require a larger battery back. It delivers better than anything else in my opinion. Especially if you refuse to carry a brick in your pocket like those extended back batteries!

what du u mean? 1900 anker and 2300 dpd x14 BOTH don't need an own back-cover, do they!?

They are for real
I use 2 of them. They work. They extend the life of the Sensation 4G by about 60%. They do not require a special backplate. They do not run hot according to battery utilities I have. The case does not get hot if I charge it with the phone off, although, of course, the battery charges more quickly. The battery does not seem to take a lot of extra time to charge, but then I usually put it on to charge overnight.
I can get a solid 12 hours with all the goodies on, browsing, a little GPS, full screen brightness, 5-8 minute timeout, fully syncing, etc. I would call my settings flat-out power hog settings.
They seem a little picky on chargers. My car charger is fine. Standard 500mAH USB cable to computer is fine. The OEM HTC wall charger only gets it up to about 2/3's charge. of my 2 aftermarket wall chargers, one juices it all the way, the other cops out.

err. you guys do realize that even if the specification of mAh isn't fake, the fact that its rated at 4.2v should scare you into not buying this batery. sensation battery is often rated at 3.7-3.8v range.
edit: whoops. just saw that its the charging limit of 4.2v which is the same for the other sensation batteries. nonetheless this seems too good to be true

Can't find it on Ebay

Willieumm said:
For value, quality & actually results look no further than the Anker 1900 mAh. Plus it doesn't require a larger battery back. It delivers better than anything else in my opinion. Especially if you refuse to carry a brick in your pocket like those extended back batteries!
Click to expand...
Click to collapse
Or the ChiChiTec 1900mAh, it's only 23 bucks on Amazon, 30 bucks for 2, and it's an instant 20% extra battery.

DieAbrissbirne said:
Hi,
today I found this extremly big battery on ebay, but I can't really believe that high capacity...It's got 50% more capacity!
Maybe someone here already got it?
http://www.ebay.de/itm/2300mAh-High...311?pt=LH_DefaultDomain_3&hash=item35b453faff
Click to expand...
Click to collapse
I bought 2 of these exact same ones, and according to my battery monitor widget, they are 1900mah battery's, not the 2300 they claim. But still much much better than stock i recommend them
Edit: and it fits into the regular cover just fine in my case

Savage1701 said:
I use 2 of them. They work. They extend the life of the Sensation 4G by about 60%. They do not require a special backplate. They do not run hot according to battery utilities I have. The case does not get hot if I charge it with the phone off, although, of course, the battery charges more quickly. The battery does not seem to take a lot of extra time to charge, but then I usually put it on to charge overnight.
I can get a solid 12 hours with all the goodies on, browsing, a little GPS, full screen brightness, 5-8 minute timeout, fully syncing, etc. I would call my settings flat-out power hog settings.
They seem a little picky on chargers. My car charger is fine. Standard 500mAH USB cable to computer is fine. The OEM HTC wall charger only gets it up to about 2/3's charge. of my 2 aftermarket wall chargers, one juices it all the way, the other cops out.
Click to expand...
Click to collapse
Do you use Battery Monitor Widget. If yes, can you tell us the measured capacity of the battery?

OMG 2300 mAh, what's the stand by time for this thing? Like a month? A beast!

[GUIDE][INFO] How To Take Care of Your Smartphone Battery the Right Way

How To Take Care of Your Smartphone Battery the Right Way
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Lets get started how to take care of your Smartphone's battery and the following tips are going to be explained here:
​
Top it off
Keep it cool
Avoid wireless charging
Never go to zero
Don't sweat it too much
​
Top it off:
You may vaguely recall hearing something about rechargeable batteries and the ""memory effect."" You know, that if you don't ""teach"" your rechargeable batteries their full potential by taking them from totally full to totally empty, they'll ""forget"" part of their capacity. Well forget all that. Right now. It's wrong.
battery memory is real thing, but it applies to nickel-based batteries; your trusty sidekick (literal Sidekick or otherwise) doubtlessly has a lithium-ion battery, and it needs to be treated a little differently. Specifically, it should be topped off whenever you get the chance.
To get the most out of a lithium-ion battery, you should try to keep it north of 50 percent as much as possible. Going from all the way full to all the way empty won't help at all; in fact, it'll do a little damage, and it's even worse if do a full drain on a regular basis. It won't make your battery explode or anything, but it will shorten its lifespan.
But! You don't want to have it charging all the time either; lithium-ion batteries can get overheated. Luckily for you, your charger is smart enough to help with this, and will cut your phone off for a spell once it's full. And to complicate matters a little further your battery doesn't particularly like being all the way full either. In fact, your battery will behave the best if you take it off the charge before it hits 100 percent, and leaving it plugged when it's already full is going to cause a little degradation.
So if you're really particular about optimizing your battery's life, you should try to go from around 40 percent to around 80 percent in one go, and then back down whenever possible. A bunch of tiny charges isn't as bad as going from 100 down to zero all the time, but it's not optimal either.
Keep it cool:
It's easy to worry about bad charging habits thanks to the training we've had from old rechargeable batteries, but lithium-ion batteries have a worse enemy: heat. Your smartphone's battery will degrade much much faster degrade much much faster when it's hot, regardless of whether it's being used or just sitting around doing nothing.
At an average temperature of 32 degrees Fahrenheit, a lithium-ion battery will lose six percent of its maximum capacity per year. At 77 degrees, that number jumps to 20 percent, and at 104 degrees it's a whopping 35. Sure, it's not exactly practical (or sane) to keep your phone in the fridge, but it's worth going out of your way to prevent long stays in hot cars and the like.
Avoid wireless charging:​
Wireless charging is can be incredibly convenient if your phone can do it, but it's not without its disadvantages. The inductive, wireless chargers out there today have this nasty habit of generating a fair bit of waste heat. And while wasted energy is just a bummer in general, that heat will also toast your battery in the process. That's no bueno. It's a little less convenient, but standard plug-in charging is going to keep your battery in better shape, especially if you're some place warm to begin with.
Never go to zero:
Obviously, using your battery is going to make it degrade. But it's going to slowly die even if you just leave that iPad in the closet for a bit. There's a trick to minimizing that inevitable aging though: leave it a little bit of juice.
If you're going to be shelving any lithium-ion battery for a long time, try to leave it with at least 40 percent battery power to tide it over. Lithium-ion batteries don't hemmorage power at 30 percent a month like nickel-metal-hydride batteries do; they'll lose maybe five to ten percent of their charge each month.
And when lithium-ion batteries get too low-like, literally zero percent-they get seriously unstable, and dangerous to charge. To prevent explosion-type disasters if you do try to charge one, lithium-ion batteries have built-in self-destruct circuits that will disable (read: destroy) the battery for good, if it reaches rock bottom. And sure, that'll save you from a face full of battery-acid, but it'll also leave you short one battery.
Don't sweat it too much:
It's easy to get protective of your battery, but it's also easy to get lazy. And that's fine, because as long as you're not a complete idiot, you'll be OK. Typically, a lithium-ion battery lasts for three to five years, and chances are you're going to want to swap out your gadgets sometime in that window anyway. The slight damage of a technically bad idea like leaving your phone plugged in all night every night, or using wireless charging, might be worth the convenience.
Still, it's pretty easy to keep your battery reasonably healthy just by avoiding particularly egregious torture like letting your phone discharge from full to zero every single day, or leaving it in a hot car all the time. And the next time you make it back home with power to spare, you'll thank yourself for it.
These are one of the best ways to make your battery more efficient....
Courtesy: gizmodo.com
Please Visit http://www.gizmodo.in/​

Also check out en.wikipedia.org: Lithium-ion battery - Battery life for further information

Method for calculating future degradation of battery life

I'm interested in how I can predict the future battery life of a smartphone after a certain number of days of usage. This is somewhat important in the debate of user removable vs sealed in batteries. Or when deciding if you want to buy a phone with a sealed in battery, or when you are going to need battery service. I did not really find any such method online, so I made the following calculations myself. Please point out mistakes or errors if you see any. I have used lower case letters for variables, and upper case for constants.
Edit: Formula for calculating future battery life (including calendar loss)
I wanted to create a new formula that takes into account that batteries not only degrade when they perform work (w), but also as they age. The first I posted only took cycle loss into account. So i set up this expression that describes how the battery capacity (c) is reduced over time as the battery ages simultaneously as they lose capacity while continuously working at a constant rate:
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By dividing both sides of the equation with the rate of doing work, power (P), that is assumed constant, we get this expression:
Then doing some substituting b = c/P, B=C/P and t = w/P:
By doing some manipulation of this expression and calculating the geometric serie:
This is equivalent with:
Where:
"Degraded Battery Life" (b) is the expected lifetime of a full charge in the end of the period. The unit is usually hours (h) or days (d), and the model is valid as long as b is 0 or larger.
"Initial Battery Life" (B) is the Battery Life before the degrading has happened, unit is hours (h), and valid values is everything from 0 and up. Please note that battery life in these calculations is the overall battery life, including use during both night and day. When people talk about battery life in everyday speech, they often mean battery life during the day when the user is awake and actively using the phone.
"Time" (t) is the time period the battery has been in use. Usually measured in years, and valid from 0 and up.
"Longevity rate" (L) is fraction of battery capacity remaining after a certain time period. It's assumed to be constant. The unit is usually ^-y (y = year), for instance 0.9^-y if 90% of its capacity remains after one year. Valid values are from 0.3^-year and below 1^-year. Suggested value: It's hard to find any useful information about this, but I guess it could be about 0.9^-y.
"Degradation to work ratio" (D) is the amount of degraded capacity relative to the work performed by the battery (D = -dc/dw). Similar to L, this is also assumed to be constant. This parameter does not have a unit. If the battery is described as being able to retain a fraction R of its original capacity after N cycles, D can be calculated as: D=1-R^-N. Suggested value: For common smartphone batteries they usually retain 80% of its initial capacity after 500 cycles. This means that D is approximately 0.000444 (Or 0.0444%)
Z is a dimensionless variable approaching 0, but is different from 0. Suggested value Z = 0.0001
LaTex code for the formulas:
c=\lim_{n\to\infty}(CL^t-\sum_{k=1}^{n}D\frac{w}{n}L^{t(\frac{n-k}{n})})
(\frac{c}{P})=\lim_{n\to\infty}((\frac{C}{P})L^t-\sum_{k=1}^{n}D\frac{(\frac{w}{P})}{n}L^{t(\frac{n-k}{n})})
b=\lim_{n\to\infty}(BL^t-\sum_{k=1}^{n}D\frac{t}{n}L^{t(\frac{n-k}{n})})
b=\lim_{n\to\infty}(BL^t-\frac{L^{t}-1}{n(L^{t/n}-1)}Dt)
b=\lim_{Z\to0}(BL^t-\frac{L^{t}-1}{L^{Zt}-1}DZt)

I did some testing with the formula for values D = 0.000444 and L = 0.9^-y. Here are some examples:
Case 1: Initial battery life of 12 hours.
Currently my own battery life is approximately 12 hours. I wanted to see how it will develop if I keep the phone and battery one and two years longer:
After one year: 7 hours
After two years: 3 hours
Case 2: Initial battery life of one day (24 hours).
Many owners of new smartphones report a battery life of approximately 24 hours for a spanking new phone. I tried out the formula to check what they can expect when the phone and battery start to age:
One year: 18 hours
Two years: 12 hours
Three years: 8 hours
Case 3: Initial battery life of two days (48 hours).
I have seen some people claim very impressive battery life of their phones, up to two days on average. I find this a bit hard to believe, but lets use this number in the last example:
One year: 40 hours
Two years: 32 hours
Three years: 25 hours
Conclusions:
The first observation I make is that battery degradation is a much bigger issue for users that experience a poor battery life from the beginning. If you buy a new phone and the battery life is very good (40 hours or more), then battery will probably never really be a problem to you. In example three the battery life is acceptable even after three years. In the first example on the other hand the phone is mostly unusable after just one year. So the conclusion is that if a phone has a very good battery life from the start, then it's less important to make it removable. On the other hand, if the battery life is bad (or short) from the start, the battery should be removable to make necessary battery service easy for the user. So OEM's have the options of either putting in really large non-removable batteries or smaller removable batteries.

I'd say it would be hard due to different qualities and manufacturers.
For instance I have had a Nokia N8 and N808 that I got new batteries for each after 3 years, there was no discernable difference between the old and the new batteries, and these were used daily.
Whereas I've seen Chinese batteries with noticeable losses in 6 months.
But then Nokia didn't build obsolescence into their hardware like many seem to do these days.

Maybe the batteries of those phones where more resistant to degradation than other smartphone batteries, but I don't think its possible to have zero degradation over three years with normal usage. Its like saying that you charged the phone fully, and three days later it still had 100% charge.
I have never done "scientific" testing of how much my battery life has degraded, but I have the following information available:
The battery life of my S2 with the stock 1650 battery is approximately 12 hours with normal usage.
I have another larger battery with 3500 mAh capacity, that logically should give me a battery life of 12 hours * 3500/1650 = 25 hours.
However, I have tested the battery for a while now, and it only gives me approximately 15 hours. Thus 10 hours less that it should have given me. Still a lot better than the stock, but not as much better as i should have been.
I think the explanation is due to battery degradation. I have been using the larger battery a lot more than the stock battery, so it has lost more of its capacity. I think the 3500 battery gave me approximately 25 hours when it was new out of the box, and I think I have been using it for a couple of years now. The stock battery I have been using a lot less, maybe 6 months or so, thus it has not lost much of its capacity. So the large battery has lost 10 hours in two years, which is not so far from the predictions from the formula.

Replacement battery for Nokia 8

Hello,
I'd like to show you my private comments and tests on the battery for this great phone.
I tested many replacement battery for Nokia 8.
A lot of people have trouble buying a new battery with sufficient capacity.
I checked some batteries. Original is identified as HE328 -3030mah -nominal capacity.
Original Battery look like this:
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Fake Battery available on internet looks like this:
Many retailers report that the batteries come from the manufacturer. Unfortunately, it's not true I checked 3-4 batteries like this in picture. All batteries had almost 50% real capacity.
My almost 3-years original he328 battery have best capacity like below:
I've decided to test the battery from aliexpress Wonkegonke
This first charge cycle I am positively surprised at the performance of this battery.
I hope the information will help you fix many phones.

This post will be edited next time. Almost 20hrs usage.
Almost 24hr from last charge. Phone used normally without any issues
I end day like with my Nokia 8 with original HE328 battery.

Ok i want to show you battery health "WonkeGonke" from aliexpress after 4 sessions.
additionally, I checked battery capacity via ADB in PC:
Real capacity is 2829 Mah 91% from 3090 Mah. This is good capacity i think
Thank You

Thx man :good:... nice to know that when my battery dies I wouldn't have to throw away my beloved Nokia 8
quick question... what app r u using to measure the capacity?

This app is named AccuBattery is installed from Google Play. Nokia 8 is one of phones which can measure battery capacity almost accurately

Uh, "Genuine" looking fake batteries are in action as always ?. I learned what means genuine battery a couple of years ago. Most of them haven't the nominal capacity as it supposed. Beside this fact, they haven't a proper NTC resistor (which is temperature sensor). I want to ask a question even i know the answer (maybe it makes me surprised). Could you check battery temperature with different scenarios (daily and heavy) via AIDA64 and post the screenshots here?

I can check that, although as I remember, one of these batteries displayed the temperature probably correctly.

mati5000 said:
Hello,
I'd like to show you my private comments and tests on the battery for this great phone.
I tested many replacement battery for Nokia 8.
A lot of people have trouble buying a new battery with sufficient capacity.
I checked some batteries. Original is identified as HE328 -3030mah -nominal capacity.
Original Battery look like this:
Fake Battery available on internet looks like this:
Many retailers report that the batteries come from the manufacturer. Unfortunately, it's not true I checked 3-4 batteries like this in picture. All batteries had almost 50% real capacity.
My almost 3-years original he328 battery have best capacity like below:
I've decided to test the battery from aliexpress Wonkegonke
This first charge cycle I am positively surprised at the performance of this battery.
I hope the information will help you fix many phones.
Click to expand...
Click to collapse
Design capacity seems to be 3500 so at 2800 seems to be at 80%? The question if it will stay there. I cannot find the link in Aliexpress by the way

For better marketing, the manufacturer gives overstated parameters.
https://pl.aliexpress.com/item/32928512950.html?spm=a2g0s.9042311.0.0.33165c0fSMHHOh

can confirm is the battery temp sensor always stays at a fixed temp or it is actually working?
i bought 3 times the battery my Nokia 8. All of them only have around 1400~1500mAh and the temp sensor always showing 27deg.
Further testing found out all the fake batteries can't do Quick Charge at 7v,9v, or 12v. It only can do 5v 3A charging.

gkwong said:
can confirm is the battery temp sensor always stays at a fixed temp or it is actually working?
i bought 3 times the battery my Nokia 8. All of them only have around 1400~1500mAh and the temp sensor always showing 27deg.
Further testing found out all the fake batteries can't do Quick Charge at 7v,9v, or 12v. It only can do 5v 3A charging.
Click to expand...
Click to collapse
I experienced this problem on my old Zenfone 2. All batteries i bought were fake. They all had same capacity (2400mah) and fixed temperature. It was really hard to decide which is fake/genuine.
After several years, my NB1's battery is getting older and probably I'm gonna replace the battery in a year. So it would happen again and it's good to know which one is fake. Can you post the links you bought from or images of the battery? It would be really appreciated and helpful for us?.

techno_man000 said:
I experienced this problem on my old Zenfone 2. All batteries i bought were fake. They all had same capacity (2400mah) and fixed temperature. It was really hard to decide which is fake/genuine.
After several years, my NB1's battery is getting older and probably I'm gonna replace the battery in a year. So it would happen again and it's good to know which one is fake. Can you post the links you bought from or images of the battery? It would be really appreciated and helpful for us.
Click to expand...
Click to collapse
I bought from Shopee Malaysia. I see most of the seller posted the item image is different than actual product received. From the picture you can see the bottom of the fake one is different. And the fake capacity battery is half the thickness of the original battery. Anyway, I ordered the WONKEGONKE brand from their shop in AliExpress. Will try out and update here.
View attachment 5127887

My fake batteries always quick charged. When I'm at home I will check how wonkegonke behaves.

Wonkegonke is one battery what working better than any other fake. Please provide accubattery stats.

mati5000 said:
Wonkegonke is one battery what working better than any other fake. Please provide accubattery stats.
Click to expand...
Click to collapse
Much thanks brother for all you work and information. So here's is my story, same problem, some said software issue, Google Services and its fellows, OTA, even holy motherboard.
But after wondering and desperately hunting internet, I finally found the culprit and replaced battery from a local store, it was exactly like you posted and that old one on the device, again after around 7 months, now I'm having same issues, so was planning to go visit official nokia care and get replaced despite the cost, but just moment ago, saw a comment posted by an indian user having same issue even after replacement from a Nokia Care Center.
So i want to consider this time, is that one from aliexpress that good ? and working fine till date ?

1100 mAh battery

Hi, did anyone try 1100 mah battery for Huawei Watch 2? I found it on aliexpress, stock battery is 420mAh and it's not enough for a normal use. 1100 mAh should be better but i'm scared it can burn or damage the watch? Anyone has been more brave than me?

Well, nobody answered, but I can tell you it's 100% scam.
Physically it's impossible to build such small battery with such capacity.

It's interesting that this seller has sold 39. But they sell HW1 and HW2 1400mah and 1100mah respectively. Their batteries are a lot more expensive then the regular 420mah batteries. SO it does make me wonder if these are higher capacity batteries.
If there is room for a slightly thicker and bigger battery than the original then it is possible to archive a higher capacity. Though 1100mah seems pretty ridiculous I would be curious to know what the true capacity is.
https://www.aliexpress.com/item/4000064765335.html?spm=a2g0o.productlist.0.0.6e5e34e5WZwVG9&algo_pvid=8ce39039-e18d-451d-bce1-3c42cf1de700&algo_exp_id=8ce39039-e18d-451d-bce1-3c42cf1de700-1

mrlb said:
It's interesting that this seller has sold 39. But they sell HW1 and HW2 1400mah and 1100mah respectively. Their batteries are a lot more expensive then the regular 420mah batteries. SO it does make me wonder if these are higher capacity batteries.
If there is room for a slightly thicker and bigger battery than the original then it is possible to archive a higher capacity. Though 1100mah seems pretty ridiculous I would be curious to know what the true capacity is.
https://www.aliexpress.com/item/4000064765335.html?spm=a2g0o.productlist.0.0.6e5e34e5WZwVG9&algo_pvid=8ce39039-e18d-451d-bce1-3c42cf1de700&algo_exp_id=8ce39039-e18d-451d-bce1-3c42cf1de700-1
Click to expand...
Click to collapse
I ordered it, will test

I ordered it too and it arrived yesterday.
I installed the battery but I broke one of the plastic luggs off the watch that allow the strap to clip in so all my testing so far is in "off wrist-mode" which disable's the AMOLED hafter a period off time. I am making this clear as my watch is showing me i am likely to get 3-4 days of usage. Previously it was 1-1.5 days. This all made me very excited. However I ran some debugging tests on ADB, specifically:
adb shell
dumpsys batterystats | grep "Capacity:"
Estimated power use (mAh):
Capacity: 410, Computed drain: 114, actual drain: 65.6-69.7
uevent
[email protected]/devices/platform/soc/78b9000.i2c/i2c-5/5-0036/power_supply/bms
ACTION=change
DEVPATH=/devices/platform/soc/78b9000.i2c/i2c-5/5-0036/power_supply/bms
SUBSYSTEM=power_supply
POWER_SUPPLY_NAME=bms
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_ONLINE=1
POWER_SUPPLY_CYCLE_COUNT=65
POWER_SUPPLY_VOLTAGE_MAX=4380000
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=3200000
POWER_SUPPLY_VOLTAGE_NOW=4389062
POWER_SUPPLY_VOLTAGE_AVG=4388828
POWER_SUPPLY_VOLTAGE_OCV=4165390
POWER_SUPPLY_CAPACITY=84
POWER_SUPPLY_CHARGE_FULL=408
POWER_SUPPLY_CHARGE_NOW=342
POWER_SUPPLY_TEMP=201
POWER_SUPPLY_TEMP_ALERT_MIN=1280
POWER_SUPPLY_TEMP_ALERT_MAX=1270
POWER_SUPPLY_TEMP_MIN=-450
POWER_SUPPLY_TEMP_MAX=1000
POWER_SUPPLY_HEALTH=Good
POWER_SUPPLY_CURRENT_NOW=147108
POWER_SUPPLY_CURRENT_AVG=148668
POWER_SUPPLY_DEV_NAME=0x4010
SEQNUM=3246
It's not reassuring to see the capacity listed as 410mah. I assume the watch reads the capacity from the battery itself as opposed to capacity being hardcoded in the rom/os. I suspect because it's a new battery that the health / capacity it much better than the older (4yr older) battery which is replaced. But also because the watch is "off-wrist" I am going to see better performance.
As for the second command above I am little unsure how to interpret it. i thought maybe these were reference to total and current mah
POWER_SUPPLY_CHARGE_FULL=408
POWER_SUPPLY_CHARGE_NOW=342

What are your findings? ad14051991
My lug broke off and I only fixed it yesterday so only testing battery life now.

mrlb said:
What are your findings? ad14051991
My lug broke off and I only fixed it yesterday so only testing battery life now.
Click to expand...
Click to collapse
How was your test ?

oliverlevan said:
How was your test ?
Click to expand...
Click to collapse
My first test I left it off my wrist and it lasted 4 days. But I think when it's off wrist it goes into power saving mode because it doesn't need to detect heart-rate (if enabled) however I still felt 4 days was an improvement.
But then I left the watch battery flat for 2 months. Fixed the lugged and started wearing the watch again. The last 2 charges have lasted about 2 days. Which is similar to what I was getting with the stock battery.
I am unsure if leaving the battery flat for 2 months has done any damage or change to the capacity. But since it was a new healthy battery I imagine it hasn't. Perhaps I need to leave the watch off wrist again and see if I get 4 days still.
I guess results are still inconclusive at this time.

Please keep us posted with the testing.
Double the battery capacity would be the best improvement.
Thanks for sharing!

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I side loaded accubattery which calculates the mAh drain vs percentage of battery added whilst charging. I have only run it down once but the results were better. 481 vs 410. Still way off 1100mAh but I'll see how it goes the next few drains.

emcom said:
Well, nobody answered, but I can tell you it's 100% scam.
Physically it's impossible to build such small battery with such capacity.
Click to expand...
Click to collapse
^Spot on.
OP, just be glad it's seems within the OEM capacity range...

i have also changed the battery with an standard capacity one, and got the same results. however lost the heart rate monitor :-( and couldn't identify why....