| KotCzarny | hmm, my n900 charger outputs 5.4V | 17:25 |
|---|---|---|
| KotCzarny | not good | 17:25 |
| sicelo | original? | 17:27 |
| KotCzarny | YUP | 17:27 |
| KotCzarny | few months ago it was ~5.05-5.10V | 17:27 |
| sicelo | even with a load? | 17:27 |
| KotCzarny | with load it drops to 5.3V | 17:28 |
| KotCzarny | which is out of spec. and some time ago i lost a ssd drive due to some other usb device outputting 5.35V | 17:28 |
| sixwheeledbeast | my 10 year old charger is 5.02 dropping to 4.99 with an N900 on it. | 18:42 |
| KotCzarny | mine was fine too, when i last checked it | 18:43 |
| KotCzarny | which was few months ago | 18:43 |
| sixwheeledbeast | some smoothing component my have failed taking it over spec? I had a cheap usb car charger that outputted 5.45 I didn't know about it until I tested it recently. I would only use it in an emergency when the device was nearly empty but still not ideal. | 18:45 |
| KotCzarny | that's probable, anyway, anything over 5.25V WILL fry devices over time | 18:46 |
| sixwheeledbeast | If certain the tester is true then I suppose it's time for a new charger. | 18:51 |
| KotCzarny | yes, checked on 2 other usb sources (thinkpad port and opipc port) | 18:52 |
| KotCzarny | both ~5.0-5.1V | 18:52 |
| sixwheeledbeast | Maybe a 10m uUSB extension lead would have enough voltage drop :P | 18:53 |
| KotCzarny | good thing i've found out it's breaking down | 18:53 |
| KotCzarny | nah, probably it will get worse over time | 18:53 |
| KotCzarny | i will keep the charger for unimportant uses | 18:54 |
| KotCzarny | so, lesson for today, measure your chargers/psus from time to time folks! | 18:54 |
| sixwheeledbeast | I have only recently got a USB tester and for the price they are well worth keeping in your toolbox. I have found several bad devices. | 18:54 |
| KotCzarny | yup | 18:55 |
| KotCzarny | i bought me 2 over time | 18:55 |
| KotCzarny | the latest is the blueish with white display | 18:55 |
| KotCzarny | pretty nifty, shows all the info at once | 18:55 |
| sixwheeledbeast | The one I have measures mAh. so if you reset it you can measure capacity too. | 18:56 |
| KotCzarny | yup | 18:56 |
| KotCzarny | https://www.aliexpress.com/item/32455167954.html?spm=a2g0s.9042311.0.0.1ec64c4dGGVxCT | 18:58 |
| KotCzarny | this one | 18:58 |
| KotCzarny | there are newer models already, but this one goes dirt cheap and is nice | 18:59 |
| KotCzarny | and can go up to 3A | 18:59 |
| sixwheeledbeast | this is 7seg but i believe goes upto 27vdc | 19:01 |
| KotCzarny | and it seems some sale event is on aliexpress | 19:02 |
| KotCzarny | so, grab your usb meters now folks | 19:03 |
| sixwheeledbeast | https://www.banggood.com/Digital-Display-USB-Multifunction-Tester-3V-30V-Mini-Current-Voltage-Charger-Capacity-Tester-p-1079409.html?cur_warehouse=CN | 19:04 |
| sixwheeledbeast | having uUSB in aswell as A is useful | 19:09 |
| KotCzarny | for testing uUSB cables, yes | 19:09 |
| KotCzarny | :) | 19:09 |
| KotCzarny | unless you have some otg port that can be put in host mode | 19:10 |
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