by the way, uploaded the backcover on thingiverse 
https://www.thingiverse.com/thing:2536285
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Their website says “in stock” again.
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All those batteries listed in this post are in stock as well:
https://forum.fairphone.com/t/gb-de-generic-battery-to-replace-fp1-battery-shorter-1-800mah/30590/72?source_topic_id=30590
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Hello all,
I just lasercut a couple of batterie adapters witch fits for my phone.
Solid frame to generate a tight fit!
Works well, I used the 1800mAh vhbw battery, see pictures.
If somebody is interested to get a fully functional FP1 battery replacement let me know. alain.bantli@gmail.com
Use at your own risk!
Regards Alain
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My mom’s batterygraph is still showing those spikes, however, the battery lasts allmost a week on a steady basis
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By way of an update, I report that 3 months later things are OK, but the performance of this vhbw 1800mAh (3.7V) battery has not been that brilliant - it does not always last a full day.
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That’s to be expected because it has about 10% less capacity than the original battery.
Other than that you should check your battery usage. “Aktiv” (active) should not have a full blue bar.
A full bar would indicate a #wakelock.
Hey @Gerrit_Grosskopf, could you provide some pictures of the 3D-printed cover for the Huawei HB5N1H-battery - or did you have already which I missed? Maybe the bare cover, the battery plugged in without cover, and all plugged together.
How was phone handling getting worse with the additional “bulb”?
With the battery life you are happy, as it seems?
@all: As I did not follow the replacement-battery discussion that good - what are now the possible solutions to replace the original FP1 battery (beside completely self made battery stacks)? I lost overview…
Take a look at this list:
(EDIT: Check the actual availability status, as the posting is no longer correct on that behalf. Last time I checked, all batteries were in stock again)
https://forum.fairphone.com/t/gb-de-generic-battery-to-replace-fp1-battery-shorter-1-800mah/30590/72?source_topic_id=30590
Thx @Stefan. I should have been more precise on that behalf.
The last time i checked, electropapa was in stock again. See some posts above.
Thanks, @Stefan, that’s good to know, and I’m OK on the active (awake) front. But that graph, in my case, shows quite a steep decline.
But overall I am a happy caamper.
That’s also a heavy usage over about 2 hours.
Yes I remember now what I was doing! And see that the slope is similar to the one in your graph a couple of hours in. Thanks a lot, it’s good to learn these things.
sorry for taking so long, here’s an older version of the model in picture:
i just noticed something was off with my model, the support structure of the battery seems to be gone in my model, wtf, how did i miss this?..
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My mom is relatively happy with the Battery so far, it takes about a week to go empty with her usage, she has the fairphone turn itself off in the night though so performance may vary. The Battery has the same horizontal and vertical measurements, it’s just thicker in depth and therefore has more capacity. The battery state marker goes crazy anyway and is not reliable at all, as it “gains” power over night while not being plugged in or lasts long times at 1%, resetting the battery by letting it go empty and then fully charging it does not help with this battery. I will update my model in the next hour so the battery gets held in place. as my mom has the phone and i don’t live with her in the same city i can’t send you more pictures at the moment though 
The 5d something also don’t contain the night times when it turns off, so this is more 9days
i updated the file on thingiverse and got a photo from my mom
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Hi, I just bouhgt a ready-to-use-kit for the battery exchange. It fits quite well and is working since weeks.
The kit seems to use the same battery mentioned above.
Looks like this one: https://www.ebay.de/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=132406591635&_sacat=0
Regards.
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Wow, that’s quite a price for a little piece of plastic.
As the battery alone can be obtained at 9 to 20 € on amazon, it’s another 20 to 30 € just for the “spacer”. Seems a bit overpriced to me.
At least, it seems to be really well fitting and easy to use.
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Yes, the surface seemed to milled with a profeesional machine. It fits perfect.
And you’re right. It’s not cheap, but when I had to give up hope to get a new fairphone, I din’t give up hoping to use my phone for some further years. Buying a new phone would be more expensive.
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You are right of course. I still use a piece of cardboard to keep my new battery in place.
Hello there,
about the “spacer”. I see it right, it must have a size of 9,7 x 52,5 x 5,4 mm to fit in easy, right?
Thanks!
René