I've a common query: I have moved to India and am using my US chargers at 220v. I also have some stepdown transformers for that things that require 110v. Generally speaking, would it be improved to charge through the transformers--IOW, do they assist to circumvent surges and spikes?
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I also didn’t know it may be the charger that stops the contact display from Doing work, I'll bear in mind as I’m positive it can arrive up Down the road, I’ve acquired a great deal of from this information. What are your ideas on multi charging stations, do you think that They might be risking folks’s units?
Be aware the frequency spectrum (remaining) has really tall but slim spikes at harmonics from the 28kHz switching frequency, demonstrating a great deal of significant-frequency sounds. On the beneficial aspect, You can find barely any ripple. Counterfeit United kingdom
Hey Ken - this was super informative and I wanted to thanks for it. A charger is just a few standard, everyday piece of engineering that folks pay small to no consideration to at all but while you've found out, they don't seem to be established equal and range wildly in terms of efficiency.
Subjectively, I preferred initial a person improved, even though it is actually fewer impressive. Any chance that to see the graphs on these or comparable items?
This is a actually exciting posting. I've heard that some chargers usually are not that great for the ecosystem but probably Apple products and solutions are? I believe 2014 can be a yr that individuals should starting up thinking about utilizing items that are not damaging to our natural environment.
The HP touchpad charger looks like a rather greater version of my aged Palm Pre charger. I checked, the prongs twist off in the same way, had that For several years, never realized. It could be good to determine it examined as well.
Hello Donnie! I'm sorry to hear that the charger is not Performing. The trouble might be explained in the "Indicated charger variety" portion of your posting, and footnote 6. Apple employs proprietary voltages on the middle two pins to point that It really is an Apple charger, and HP uses diverse voltages to point that It is really an HP charger.
Counterfeit chargers pose a safety hazard in addition to a hazard for your mobile phone. You can buy a charger that looks just like an Apple charger for around $two, although the charger is absolutely nothing like an Apple charger internally. The facility is extremely undesirable good quality (as I will display underneath).
Just one appealing design and style characteristic will be the filter capacitors suit in the Minimize-out holes during the secondary circuit board, letting the large filter capacitors to suit in the charger. More opinions on this post are at Hacker News and reddit. Thanks for traveling to!
The HP TouchPad charger has an incredibly strange cylindrical condition, that's striking if Possibly not practical. The charger twists aside, enabling the plug to be replaced for various nations. (It took me weeks to find out this see it here feature.) Monoprice
I assumed this crowd would value Finding out relating to this new charger that may be driven by cold and hot beverages. Enterprise is jogging a kickstarter marketing campaign and they're in excess of 70% for their objective of $100K in less than ten times. Here's a hyperlink to acquire you there: