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ABSTRACTED
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Posts: 10
Registered: ‎12-08-2017
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Message 1 of 5

Yoga 720 720-15IKB power supply: 6.75A or 4.5A - Which is better?

The Yoga 720-15IKB comes with either a 20V 6.75A or 4.5A.

 

AC adapters
Table 8. Parts list—AC adapters
FRU P/N CRU
ID.

Lenovo
YOGA
720-15IKB

Delta ADLX90NDC3A 20V4.5A BIS 5A10J46686 * ●
Liteon ADLX90NLC3A 20V4.5A AD BIS 5A10J75109 * ●
Chicony ADLX90NCC3A 20V4.5A AD BIS 5A10J75116 * ●
Delta ADLX90NDC3A 20V4.5A COO SA10M42754 * ●
Chicony ADLX90NCC3A 20V4.5A COO SA10M42797 * ●
Liteon ADL135NLC3A 20V6.75A AD BIS 5A10J75112 * ●
Delta ADL135NDC3A 20V6.75A BIS 5A10J46690 * ●
Delta ADL135NDC3A 20V6.75A COO SA10M42761 * ●

 

Which is best?

The 4.5A is smaller.

But the larger 6.75A will charge faster won't it?

 

Should I go with the 6.75A or the 4.5A?

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Message 2 of 5

Re: Yoga 720 720-15IKB power supply: 6.75A or 4.5A - Which is better?

Hi ABSTRACTED,

 

Greetings.

 

The ones with higher amperage would offer faster charging but may heat up faster.

 

It is advised to stay with the same charger that goes with your machine and have known to work for you. It would be better specially if you are not receiveing any message prompt about any need for more power from the system.

 

Hope this helps answer your query.

 

Regards



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ABSTRACTED
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Posts: 10
Registered: ‎12-08-2017
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Message 3 of 5

Re: Yoga 720 720-15IKB power supply: 6.75A or 4.5A - Which is better?

I've tried swapping both versions of power supplys with different 15IKBs and they all work just fine, in any combination.

 

I've received no messages regarding charging at all.

 

I think it's odd that Lenovo lists both types in the parts manual. 

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Message 4 of 5

Re: Yoga 720 720-15IKB power supply: 6.75A or 4.5A - Which is better?

The machine can come with integrated or discrete graphics, and i5 or i7 processor.  Power requirements are different.  As stated above, it's best to use what came with your machine originally.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
ABSTRACTED
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Registered: ‎12-08-2017
Location: US
Views: 932
Message 5 of 5

Re: Yoga 720 720-15IKB power supply: 6.75A or 4.5A - Which is better?

OK, I'll stick with the 6.75A version. Thanks!

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