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1 Posts

07-29-2020

Philippines

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HELP ASAP - Lenovo 45W powerbank not working with YOGA s740 15.6

2020-07-29, 19:38 PM

I tried using the powerbank when laptop's power is at 98%,  58% and 10%  however it's not charging the laptop. I have also used the dongle both for usb-c and usb-A output but none of them works. I also have a power brick usb-c that has an output for 100W with 20v but even that isn't working even using the dongle to the power connecter that comes with the lenovo powerbank. 

 

2 problems:

i - lenovo 45w powerbank isn't charging the laptop although works with my mobile devices

ii - my charger that is 100w output doesn't work with the laptop using the powerbank's dongle to the power connector even it meets the requirement 20voltage. 

 

 

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9571 Posts

01-13-2008

United States of America

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Re:HELP ASAP - Lenovo 45W powerbank not working with YOGA s740 15.6

2020-07-29, 20:12 PM

Hi,

 

I don't have such a Yoga and I guess I don't understand exactly how you're trying to charge the laptop...

 

I can't find any indication that it charges via any port other than the slim-tip charging port.  Also seems that it needs 135W.

 

https://psref.lenovo.com/syspool/Sys/PDF/Yoga/Yoga_S740_15IRH/Yoga_S740_15IRH_Spec.PDF

 

https://download.lenovo.com/consumer/mobiles_pub/lenovo_yoga_s740-15irh_ug_201904_en.pdf

 

Please clarify what port you're trying to use to charge the laptop.

 

Z.

 

 


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21 Posts

11-26-2017

Brazil

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HELP ASAP - Lenovo 45W powerbank not working with YOGA s740 15.6

2020-08-13, 12:49 PM
The PowerBank has PD capability? If not, you will not be able to charge!
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