7
1
Is that dangerous :
- for the computer (without the battery)
- for the cells
If possible, explain why.
Edit : Here are some more assumptions : Without the battery included, there is no risk of overheating the cell, or over charging them. But there is still some dc to dc conversion taking place on the motherboard. I assume this dc to dc stage to be quite tolerant. What kind of trouble can I run into when using 20V instead of 19V ? Overheating ?
The amount of wrong information in the answers here is mind-boggling. I'm voting to close since the question has attracted low-quality, opinion-based answers, and this thread is not a reliable source of information. – fixer1234 – 2017-01-24T04:35:54.080
1Voltage means less than the current rating of the power supply. Your power supply should always be able to safely supply more current than the device will draw. What are the current values for the original walwart vs. the new one? – Richard Hoskins – 2009-12-07T15:12:43.940
I added a "why" to the original question, as I think it would be useful to have answers explaining why it is dangerous, to have other answers than "just don't do it". – Gnoupi – 2009-12-07T15:25:43.540
1Gnoupi, want me to post a list of each and every component on the mainboard that may get toasted due to higher voltage, illustrated with images of fried mainboards and laptops gone up in smoke? sure thing, go and "satisfy your curiousity" elsewhere! :) – None – 2009-12-07T17:56:36.900
1@Molly, not this kind of curiosity for images of "how it is when it goes wrong". But it is more useful to know why something is dangerous, when we can be led to think that laptops are able to adapt themselves to different power. The reason for the "why", is to call for an answer from someone who would have knowledge is electronics, to explain why exactly, not simply to say "yes it's dangerous don't do that". – Gnoupi – 2009-12-07T20:05:11.540