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Original question:

BQ34Z100-R2: Chem ID for new cell, accuracy at low temp

BQ34Z100-R2: ChemID - choose smallest Max DOD error, or R variation ?

George Birchenough
Prodigy 60 points
Part Number: BQ34Z100-R2

Hi - 

I have the following in my ChemID report:

Chem ID max DOD error, % Max R deviation, ratio
3994 1.07 2.84
1787 1.22 2.52
1935 1.31 3.29
2369 1.35 0.99
2433 1.37 0.87

Could you explain what the Max R deviation is, and which ChemID I should choose?

Best,

George

  • 0
    TI__Mastermind 37751 points

    Hello George,

    The max DOD error% is the most important factor for choosing a ChemID and generally, any ChemID with a lower than 3% DOD error
    is suitable for your battery. Max R deviation is in reference to internal battery resistance. I would recommend choosing ChemID 3994.

    Sincerely,
    Nick Richards