In this case the numbers are 404252, meaning that this battery is 4.0 mm thick and 42 by 52 mm long/wide.
#KOBO N905 TOUCH EDITION CODE#
Then I figured out that the numbered code on the battery (see picture, I had unfortunately torn of the wrapper from the battery before making a picture) isn't just a product number, it's the size of the battery. That failed as, even though my Kindle now worked, I couldn't replace the back cover anymore. I first tried to do this by measuring the size of the battery holder, and ordering a battery based on those measurements. More importantly, you'll need a LiPo battery of the same size as the one that's in your Kobo right now.
You cut off a piece of the braid, put in on the connection you want to desolder, then press it with your hot soldering iron until you feel the solder melting and being sucked up by the braid. You can use this copper braid to suck op soldering tin when you want to desolder a connection. If you want to, you can probably find tutorials on YouTube.ĭesoldering braid. The connections you'll be working with are pretty big, so it's easy work. You just need to know which end of the soldering iron gets hot, and then hold that end against whatever you want to (de)solder. No really, this project is the first time I've held a soldering iron since I was 14.
Search for one yourself, or get the on I got here. I think any soldering iron will do, I got one of the cheapest ones available on Aliexpress, and it came including a stand, tweezers, soldering tin. So this is what I did, and to save you the pain of figuring this all out yourself I will show you what I've done here in my first Instructable ever. In reply to him, someone mentioned that he was lucky that the third lead on the battery he found matched up to what the kobo expected, and that it was a safer bet to just stick a new battery on the old battery's connection board. I found one (Dutch) forum thread on someone dealing with the same problem I had, in the end he mentioned he just ordered a generic three-lead battery from 'the internet' but never responded to my question which battery this was. Googling just yields a lot of forum threads complaining about the bad practice of not putting user-replaceable batteries in devices like this (the term 'planned obsolence' comes along very often).
#KOBO N905 TOUCH EDITION HOW TO#
So I set out trying to find out how to replace it, and figuring this out turned out to be a lot harder than expected. The screen never even flickered and my computer would not recognize the Kobo as being connected.Īs I was sure no mechanical harm had happened to the device (I hadn't taken it anywhere in months), I figured it had to be that battery that gave out. Connecting it to the computer produced some response from the light, it would seem like the Kobo tried to start but then failed due to insufficient battery capacity or something. Until it suddenly wouldn't start or charge anymore at all. Over the course of a couple of months the battery life of my Kobo Touch started to deteriorate noticeably.
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