Best laptop battery tester? Opus?

jimbo69ny

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Joined
Feb 9, 2018
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I searched but I didnt find an answer.

What tester/charger do you guys like? I have heard mixed reviews of the Opus. Also I have read that the Opus doesn't read internal resistance which is a feature that I want.

Any suggestions would be appreciated.
 
I started testing my batteries with opus and mine broke within 2 weeks. GearBest sent me a new one for 18$ (shipping) and its going to take a month to get to me.

I've heard other people seem to have no problem with it though.
 
I actually already owned this one so I dug it out of storage and used it to charge some 18650s. It worked great!

https://www.amazon.com/gp/product/B01095RAH6/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
 
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