February 21, 2008

XO Charger surgery

The power charger that came with my OLPC XO laptop has a connector that’s hard to find at the neighborhood Radio Shack. I really wanted to buy a charger that would allow me to charge the laptop in my car with a cigarette lighter adapter (12 volts, about 3 amps). I couldn’t find a cigarette lighter adapter that had the XO’s power connector.

So, I took a deep breath and cut the cord on the original charger! My soldering skills aren’t great, but they are good enough to solder on a couple of connectors. I got a few RCA (also called phono) connectors because they hold well and are easy to find.

The result? I can mix and match the power source (wall charger, cigarette lighter adapter, solar panel) and use the original XO connector. See pictures. Don’t take my advise though. I had a couple of glasses of wine before I did this :-) You’ve been warned.

See all photos on Flickr

Mix and match - wall charger and cigarette lighter adapter


Posted 2 years, 9 months ago on February 21, 2008
The trackback url for this post is http://sameerverma.org/blog/bblog/trackback.php/171/
Re: XO Charger surgery
nice to have a car charger. would suggest the following modification: interchange the male and female RCA connectors. the tip of the male RCA connector on the power supply (especially in the car) can short out to any metal parts of the car while if the connectors were reversed, the female connector would have the hot contact recessed.

the male connector on the cable to the laptop is not a problem since it is dead when not connected to the charger.

nice assembly with the shrink tubing for strain relief.
Posted 2 years, 9 months ago by ron wickersham • • • Reply
Comment Trackback URL : http://sameerverma.org/blog/bblog/trackback.php/171/27179/
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