[NTLK] "Mobile" power supply for eMate 300

[Avi Drissman]

USB C has something called Power Delivery, where a suitably powerful charger can deliver up to 240 W with voltages of 5, 9, 15, 20, 28, 36 or 48V. That’s how laptops charge over USB C. And since it takes just a little negotiation to get those voltages from an adapter capable of sending them, you can get cables with the negotiation chips built in.

> On Aug 23, 2022, at 3:13 AM, Alexander Shendi <Alexander.Shendi at web.de> wrote:
> 
> Thank you! I have thought of that as well. But isn't USB 5V? Is there some info on what voltage range the different Newton models accept?
> 
> Am 23. August 2022 02:37:36 MESZ schrieb Vladislav Korotnev <vladkorotnev at gmail.com>:
>> I have seen some sort of a cable that has a Type-C jack on one end and a
>> barrel plug on the other, on websites like Aliexpress.
>> You would need to have a Type-C Power Delivery capable powerbank, though,
>> as well as somehow making sure to not change the output voltage of the
>> cable by accident while the eMate is plugged in.
>> 
>> Additionally, the eMate might draw not enough current by modern standards,
>> so the powerbank might shut down, thinking it's not connected to anything.
>> Overall — YMMV :-)
>> 
>>> On Tue, Aug 23, 2022 at 2:27 AM Alexander Shendi <Alexander.Shendi at web.de>
>>> wrote:
>>> 
>>> Hi,
>>> 
>>> to be clear: I *do* have a power supply that works perfectly, when I have
>>> access to a wall socket. I'm looking for an alternative when I'm on the
>>> road.
>>> 
>>> 
>>> 
>>> Am 22. August 2022 16:43:10 MESZ schrieb Nic Malone via NewtonTalk <
>>> newtontalk at newtontalk.net>:
>>>> Just don’t use a power supply from a HP Jornada 720 like I did on my
>>> MP2100! In my defence, it was late, it was dim lighting, both adapters look
>>> similar and both have the Sam barrels. Not the same voltage though. Pop!
>>> Puff. Dead.
>>>> 
>>>> All my power adapters are now well labelled!
>>>> 
>>>> Nic
>>>> ---------- Forwarded message ----------
>>>> From: Alexander Shendi <Alexander.Shendi at web.de>
>>>> Date: 22 Aug 2022 at 08:30 +0100
>>>> To: newtontalk at newtontalk.net
>>>> Subject: [NTLK] "Mobile" power supply for eMate 300
>>>> 
>>>>> Dear list,
>>>>> 
>>>>> I have accquired an eMate 300 and like it very much :) Unfortunately
>>> the battery pack is gone. Small wonder after 30+ years.
>>>>> 
>>>>> The obvious way to fix this is to replace / rework the battery pack. I
>>> wonder, if there is a way arround this, e.g. supplying the eMate from a
>>> powerbank.
>>>>> 
>>>>> Many thanks for your suggestions and have a nice day.
>>>>> 
>>>>> Alexander
>>>>> --
>>>>> Diese Nachricht wurde von meinem Android-Gerät mit K-9 Mail gesendet.
>>>>> ----------------------------------------------------------------------
>>>>> 
>>>>> http://newtontalk.net
>>>>> http://twitter.com/newtontalk
>>>> ----------------------------------------------------------------------
>>>> 
>>>> http://newtontalk.net
>>>> http://twitter.com/newtontalk
>>> --
>>> Diese Nachricht wurde von meinem Android-Gerät mit K-9 Mail gesendet.
>>> ----------------------------------------------------------------------
>>> 
>>> http://newtontalk.net
>>> http://twitter.com/newtontalk
>> 
>> 
>> 
>> -- 
>> // Ak.R.
>> 
>> iOS/Mac/Windows & Web developer
>> Vaporwave/ambient producer, sound/video engineer
>> 
>> Genjitsu Gadget Lab Member 001
>> http://genjit.su
>> <http://www.google.com/url?q=http%3A%2F%2Fgenjit.su&sa=D&sntz=1&usg=AFQjCNE8x1vuqw3E4Hjfe9lA59Q23-z36Q>
>> ----------------------------------------------------------------------
>> 
>> http://newtontalk.net
>> http://twitter.com/newtontalk
> -- 
> Diese Nachricht wurde von meinem Android-Gerät mit K-9 Mail gesendet.
> ----------------------------------------------------------------------
> 
> http://newtontalk.net
> http://twitter.com/newtontalk