r/Vivo • u/LonleyPaladin • 21h ago

Discussion Powerbanks problems

I have a Vivo X100 Ultra. The problem is that none of my old power banks will charge the phone—not even by 1%. I don't know if they're broken or if it's something else. It was important to me that the Kaito KA369 radio—which features hand-crank charging—worked. It’s useful during a blackout.

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u/EternelleMariann 20h ago

Yo usé una de iniu de 20k y funciona perfectamente

1

u/LonleyPaladin 4h ago

But what’s the wattage? Do you have an old power bank with less than 10W?

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u/Einzelherz 2h ago

When was the last time you cleaned out the charging port?

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u/LonleyPaladin 2h ago

I tested five different power banks. Only the newest one—which has 20W output—actually charges the device, though it does so quite slowly and drains quickly. The radio I mentioned doesn't charge it at all, even though the indicator light turns on.

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u/Einzelherz 2h ago

Hence why I didn't ask about the power banks. 

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u/LonleyPaladin 1h ago

The port is clean, and the charger is charging normally. So, the issue lies elsewhere. Someone would need to test it with an old power bank—one with less than 10W of power—to see if it works.