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3.3A 5V 12V 19V 21V Mobile Power Bank Six 18650 Battery Charger For 19V Laptop 5V Phone Not Include Battery
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- for 3 month
- for half a year
- Requires Alitools extension
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Customer Reviews
I received a package well.
I received the item very quickly so thanks to the seller, but the device itself has behaved in a very strange way since. I put in newly charged batteries with matched capacity. The unit provided output voltage and displaying the voltage only when the power on button was depressed. BTW that button is a single click without fixation. During the time it was on, the output voltage was 12.4V independently of the position of the selectors. Device would stay powered on if the external power was provided. After some time the unit started to stay powered on without input power and after some more time it started to obey the voltage selectors. It seems to be functioning as intended now, and it has been on for about 10 hours without input power. Should I assume its weirdness is over and trust this device? I'll update review if something goes wrong again.
Yep, it's worse than I thought. If input voltage is higher than what was set for output, then output goes as high as the input. The worst thing of all is that the built in indicator is lying in such situations. Otherwise it shows either batery or output voltage. Shold have given one star. Be careful if you connect sensitive loads to it.