I used to try to buy connectors for laptops to 12 volt batteries for charging in rural Alaska. I found that it was difficult to buy the right adapter to convert a 12 volt battery to 18 volt recharger; especially since various laptops have various shapes and sizes for power charging. That problem was largely solved with the Westinghouse portable electric power generators that are very easy to use with a solar panel or ac outlet and that have a built in ac/dc inverter.
Even so cell phones often lack a USB port to flow through data. If a contact connector (actually two different contact connectors) were placed as a plate on a laptop and cellphone that didn’t require a USB port to move data it would be a great improvement. If another metal contact port were made to recharge laptop and cell phone batteries the entire menagerie of a zillion varieties of charges and cables could be eliminated. All of the laptops and cell phone charges could be made to be interchangeable.
I am sure that it can be done. Wireless recharging of cars and some phones has already occurred. It isn’t too far to go. With the likely upgrade of cell phone memory to a terabyte even in cheap phones in the not distant future it is even more important to upgrade the input/output and interchangeability of laptops and devices concurrently.
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