[Xperia Z Q&A, Help & Troubleshooting] longorsiha:
Xperia Z battery hack

[IMG="Xperia Z battery hack"]http://3.bp.blogspot.com/-WY6oWdalK14/VoPllLUPR3I/AAAAAAAAB_g/OQ6w4yvENaY/s1600/1st.jpg[/IMG]

I bet you've already grown tired owning Xperia Z c6603 l36h!

It's not about hardware specs, it's not about os and apps support update, but it's about battery life, right?

Well, now, I hope I can help you to solve that problem.

You just change the battery with alternative battery (with bigger capacity) as long as it follows below rules:

1. the alternative battery is li-ion/li-polymer with below dimension:

>> thickness not exceeding 5mm

>> length x width not exceeding 6.2 x 6.5 cm

2. the alternative battery is using 3.7V

[IMG="I use this battery. it's 3800mah!"]http://3.bp.blogspot.com/-MSAClL7sDEs/VoPllcNZxsI/AAAAAAAAB_k/Szj5MD3-Nrw/s1600/2nd.jpg[/IMG]

I use this battery. it's 3800mah!

Of course you should hack both your alternative battery, pried open your xperia z, and hack your sony xperia z battery. read below instruction (you need somewhat basic soldering skill):

*****

This will void the warranty.

And if somewhat you put alternative batteries using more that 3.7 V, it will damage you xperia z power IC.

DO THIS AT YOUR OWN RISK!

*****

A. Hack your alternative battery

[IMG="ditch this from your alternative battery. you only need its positive and negative element"]http://4.bp.blogspot.com/-2gUqfYPPx0U/VoPlknnTDDI/AAAAAAAAB_c/UprBYdKXD4c/s1600/3rd.jpg[/IMG]

ditch this from your alternative battery. you only need its positive and negative element

B. Put cover back to your alternative battery using tapes

You cannot touch its bare metal body since it will make accidental current contact whenever you touch its positive element.

C. Hack your xperia z battery

[IMG="Xperia battery consist of two things: battery and battery's flex cable."]http://2.bp.blogspot.com/-hlEywca6HC4/VoPll-0dXzI/AAAAAAAAB_s/mKGIYcn8fH8/s1600/4th.jpg[/IMG]

Xperia battery consist of two things: battery and battery's flex cable

Separate the flex cable from battery. WARNING: you only need to cut the positive and negative leg connection on the battery. You must never cut the flex cable. You need this flex cable so bad to mediate connection from alternetive battery to your xperia z phone.

[IMG="Save this flex cable and dump that f**king 2370mah xperia battery!"]http://3.bp.blogspot.com/-Z7H7Djodyno/VoPlmE7pDVI/AAAAAAAAB_w/OdzNvcabYLE/s1600/5th.jpg[/IMG]

Save this flex cable and dump that f**king 2370mah xperia battery!

D. Solder the flex cable to your alternative battery!

Watch carrefully the B+ and B- on the flex cable and the + and - leg of your alternative battery.

[IMG="Solder the flex cable to your alternative battery, put it back to your phone and connect the flex battery cable to your phone."]http://3.bp.blogspot.com/-gm2BOhxrMJU/VoPlnLiVNiI/AAAAAAAACAA/HjOjJ9ur6Xc/s1600/6th.jpg[/IMG]

Solder the flex cable to your alternative battery, put it back to your phone and connect the flex battery cable to your phone

E. before assembling back the modified battery, put lots of double tape in your xperia body to securely stick and attach the battery.

DONE! You're good to go.

Now you have Xperia Z which will long-last through the day.