UX50 cradle PEGA-JC40 moded to extended battery
 

I moded my UX50 both USB charging & PEGA-JC40 to an extended battery.

Detail in Chinese

PEG-UX50 : 840mAh 180g thickness 18mm
PEGA-JC40 mod : 2,400mAh 75g thickness 8.2mm Vs
PEGA-EB40 : 1,700mAh 80g thickness 11mm :cool:



additional hook


1,200mAh x 2 Li-Polymer inside


PEGA-JC40 mod Vs PEGA-EB40


~3mm thinner than EB40

Hang on, I'm lost. What is going on here...can u buy this other external battery?

How much memory does it actually provide over the regular EB40?!

I does not own PEGA-EB40, It was borrowed from my friend for testing only.

PEGA-EB40 have a 4.2V 1,700mAh Li-Polymer battery and 5V steping up /
charging circuit inside.

PEGA-JC40 is the original cradle came with UX50, I just add 2 batteries inside & re-solder UX50 contact pin no.2 direct to the internal battery V+
& pin no. 1 to USB V+
therefore I can charge both internal & internal battery by USB or AC adaptor

wow!!! moded the cradle into a battery! you are awesome!!

Amazing work Hippo! I'd never thought it could be possible to pack so much Batterypower in such a smal space. May I ask you how much you payed for the two batteries? I'm not a technical genius but since it's so hard to get an EB40 nowadays I might well get some help and build a custom battery too.

I have another request that might be a little bit off-topic too (sorry if it is). I remember reading a post some months ago about a guy who transformed his charging case (a black fake leather case where you can plug-in a mini-usb cable) into an extended battery. I'm almost certain it was posted in this forum but after days of search I'm still unable to find the article. I would be really glad if someone could help me find it.

I get the batteries one from broken screen NX70 & the other from my own NR70
PEGA-JC40 have not much space inside, grinded hardly to obtain extra 0.5mm

original


everything cleared & grind

Hello there.
Nice job Hippo.
Does anyone can translate chinese to english ?

hippo would you be interested in making these and selling them? I think if you priced them for less than the EB40 goes for ...i'd buy one..and i'm sure other people would also.. (would this be worth your time?) let us know...because having double the battery life of an EB40 is pretty damn nice :)

mein Gott! This is just brilliant! Do you accept any modding requests? :D

Sorry! I mod it just for fun,
I will consider to sell my japanese UX50 set but not willing to mod it once more.
this mod took much time & need to re-solder 2 wires inside UX50
It will not be cheaper but better perfomace & ~3mm thinner than EB40

just for your reference : CAD55 x 2 for 1,100mAh batteries

http://www.mrbattery.ca/product_ind...NO=010-SO001-00

Thanks for your contribution Hippo! This is just amazing.

How much more power does it give you (in hours), with WiFi, or general use compared to EB40.

JAmerican

batteries on ebay, from wholesale in hongkong ... $14.95 each ...
http://cgi.ebay.com/ws/eBayISAPI.dl...5747831404&rd=1

Clie Batteries
 

It looks like you could purchase two Clie UX40/50 batteries for $29.00 each at http://www.cliebattery.com/?CMP=KNC-ove28 and save money over the cost of getting the PEG-N710C and PEG-N760C batteries and not have to worry about boosting to voltage from 3.7V to 5.2V. Seems like it would be a little bit easier this way...

Wow! This is fantastic... I traded my UX for a TH for better battery time, but if I can do this mod I would buy another UX!!

I tested the moded battery before :

listen to netradio by ptunes through wifi
Max volume
50% back light on

UX50 build in battery only : 1:10 hrs
UX50 with moded battery : 4:45 hrs

any other good method for testing ?

Hey guys... not to disappoint all the UX EB40 users but I have some pictures of the REAL EB40 battery...





Thanks for all the info Hippo. Could you give us a list of all the parts you bought and some instuctions on how to create our own. I'd really like to try this. I've noticed that my EB40 battery has been dying very quickly and want more power.

Thanks.

JAmerican

all the parts was used, I don't know how much they cost

battery x 2 (1 from broken LCD NX70 & 1 from my own NR70)
spring connector (from dead startac extra battery)
coil springs (from plastic lighter)
addtional hook (from used m515 plug)
some wires

connect all the batteries by parallel, that's all

How did you hook up the middle prongs? What did you change in the UX? How did you remove the entrails of the JC40?

JAmerican

the addition hook will snap on UX50 much better
UX50 contact pin 1 to USB V+, cut pin 2 & re-directed to internal battery V+
I remove the JC40 entrails by cutter & grind wheel as my previous post.

How did you setup the middle connections in the JC40? Where did you connect the sprig cnnectors to?

JAmerican

I added 2 spring connectors, but only using pin 1, 2, 4 (right to left as bellow)
pin 1 : +5.2V (as usual)
pin 2 : battery V+
pin 3 : not used
pin 4 : ground (as usual)

Do you think it would be possible for me to put theEB40 in the JC40?

JAmerican

I wish someone would do a complete write up in LAMENS terms for people like me that dont understand anything in electronics...where if you follow all the directions you are bound to get it right even if u have no clue what you are doing :)

looks excellent. why dindt sony think of that..lol. it makes it thinner than the eb40

some serious grinding there, how did you do it? it must be really really hard

I use a tiny battery powered tool with flat head grind wheel to mod it

I ahve just bought a chager cradle on eBay.
I think I am going to try this modification :)
The only thing is that I have my UX since few days and I am not sure it is a safe idea to open it and make some changes in it.
What will happen if I do not re-solder Pin 2 to V+ ?
I follow KEVIN88GT : may you Hippo could show us the procedure in more detailed way ?
Thanks anyway for the idea.

opening UX50 & mod JC40 is risky but if do not
re-solder Pin 2 to V+, just not working at all :rolleyes:
here is the photos all took before I sealed my JC40
I'm sorry that it can't be re-open for taking photo anymore

http://photobucket.com/albums/v95/takuki_/PEG-UX50/

Could someone explain to me why the pin 2 has to connected to v+ (sorry for my lack of technical knowledge)? What eludes me is that the UB40 can be used without modifying the UX40/50. Isn't there a way to build a custom battery withouht changing anything to the pda?

Sony EB40 have charging system & step-up circuit inside.
original pin assignment of EB40 as bellow

Pin 1 : +5V regulated output at battery power mode, +5.2V when in cradle
Pin 2 : +3.6V~4.2V unregulated battery out for tracking battery status &
switch UX50 to draw power from extended battery until voltage lower than 3.6V.
Pin 3 : trigger (activating EB40 stepup circuit when connected)
Pin 4 : ground

I given up follow the pin assignment because stepping up Li-Polymer battery from 4.2V to 5V use diy circuit having power loss & make the modification more complex.

Thanks for all the help Hippo. Now I'm slowly getting the picture.

Thanks for the pictures.
I was wondering if you could make some sketches ?
I think that both photos and s hems would be enough.
What do you think about it ?

How do you remove the back of the device. The piece of the back that is next to the camera feels glued or connected ot the device? Does anyone (or Hippo) know how to remove the back fully without damaging the device or leaving any markes that would indicate that I opened the device?

BTW, I tried to combine the EB40 and the JC40 and it was a complete failure. I am now without a charger and battery but I'm not angry for I will now try Hippo's method or one similar to it with my charger pieces and buy the same batteries he has in order to create a battery.

JAmerican

I'm sorry to hear about that......
please note that one more (+) screw arround near the hinge at capture button side

How did you setup the battieries specifically?



You parrallel connected them but after you did that where did you connect the leads to? (If you can show a pic of where the wires go, that would be great.)

BTW, why is the UX40/UX50 battery considered to have 850mah when some sites like CLIEBATTERY.com says it has 1000mah and the back of the device says 1A or 1000mA?

JAmerican

here is the draft, hope it can help

backup your data & disconnect the internal battery before you doing everthing, Good Luck~

How do you cut the UX50's pin 2 connection if it is on a strip?

BTW, I'm gonna use 3 UX50 batteries in the JC40.

JAmerican

I don't have 5 star screw driver on hand now, I'll paste the pin 2 photo later