Building battery from MAKITA Konion PACK

[Matador]

now i understant the second statement is less important that resistance and year of manufacture.

Capacity matching IMO is #1

Agreed!

Matador

 

[Matador]

Matching
1) capacity (mAh), and
2) Same cell brand and model (and chemistry) (ex: all VTC4s).
Is the most important

But if you can additionnaly also match for
3) DCIR
4) Cell Age and number of cycle

Then you are golden !

The worst thing to do is mix old laptop cells of different brand, models and chemistry, different ages, and DCIR... Even if they seem to show the same capacity some will be end of life and behave very differently than those that still have some good life.

Matador

 

[john61ct]

Well for me, I toss a batt that's lost 20% of its original capacity anyway. . .

 

[want to build]

Thank for your precious informative replies