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Retrofit USB-C charging into older Thinkpads?

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flyingfishfinger
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Retrofit USB-C charging into older Thinkpads?

#1 Post by flyingfishfinger » Tue Sep 10, 2019 4:00 pm

Crazy thought-
I want to retrofit one of my "older" Thinkpads (think X61/62, X201/210) with USB-C charging.

The USB-C spec allows 20V at 3A or 5A, so if one adds a USB-C Power Sink such as this or this, that should be enough to replace (or add to) the standard barrel connector.

Is this a silly idea and / or has someone tried this already?

Cheers,
R

w0qj
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Re: Retrofit USB-C charging into older Thinkpads?

#2 Post by w0qj » Mon Sep 16, 2019 4:01 am

You've actually got a good question!

The quick answer is that at the moment I don't know of any maker for USB-C directly to barrel-type right now--and ThinkPad/Lenovo has no plans to make this either.
(You can petition them, and if enough folks ask for this...)

1) USB-C to slim-tip (rectangular) type of power adapter tip:
~Right now, the only Lenovo way for to convert USB-C to slim-tip (rectangular) type of power adapter tip is to buy this expensive Lenovo USB-C Laptop Power Bank (14,000 mAh).
~It contains this USB-C to slim-tip (rectangular) power tip converter inside. Apparently Lenovo has no plans to sell this part separately.

www.lenovo.com/us/en/accessories-and-mo ... power-bank
http://forums.lenovo.com/t5/ThinkPad-X1 ... -p/3938034

2) From USB-C >> slim-tip power adapter tip, you can then find lots of adapters that in turn connect to your barrel power adapter tip of X210 (or our T410) series.
For example:
www.insight.com/en_US/shop/product/4X90 ... rrelPowerC

[Disclaimer: I'm a fellow ThinkPad user; I do not work for any of above organisations!]

- - - - - - - - - -
Personally, I don't feel comfortable with this adapter of an adapter approach.

Only time will tell; perhaps in the future there would be a direct USB-C to barrel power adapter tip in the future!
Daily Driver: X1 Extreme 1st Gen (X1E1): i7 | 16GB | 1TB | IPS
Current Thinkpads: X1E1 | X1C4 | X1C3 | X250 | X230 | T410
Retired Thinkpads: T42 | 560 (circa 1996)
~~IBM Thinkpad era computer bag !

Krissharm
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Re: Retrofit USB-C charging into older Thinkpads?

#3 Post by Krissharm » Sun Oct 13, 2019 3:03 am

This is a great idea - Assume if the parts are not likely to burst into flames it will be fine
X220 IPS 12GB RAM, 250GB Samsung SSD MX18 Linux
X201s 8GB RAM, Samsung SSD MX18 Linux x200s screen
R51 in T42 Chassis, 2GB RAM work in progress. SD-IDE card to be tried out

boberto19
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Re: Retrofit USB-C charging into older Thinkpads?

#4 Post by boberto19 » Sun Nov 03, 2019 12:51 pm

Look at the unit in the upper left corner of the image in this listing/select Thinkpad from the dropdown menu; does this fit the bill? (I dont own an classic/legacy model thinkpads unfortunately- my oldest is a T450s; however this appears to be the same socket as the one my T450s uses) https://www.ebay.com/itm/Laptop-Charger ... 87IsFXd4YA

boberto19
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Location: Las Vegas, NV

Re: Retrofit USB-C charging into older Thinkpads?

#5 Post by boberto19 » Sun Nov 03, 2019 1:23 pm

I also found this- this appears to be the same socket as the T61 no?

https://www.aliexpress.com/i/33024868797.html

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