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dwain

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Posts posted by dwain

  1. What is it's limits? Would it easily go through 3/4" ply or is that going to start pushing it?


    Id say it'd do a bit of 3/4 ply ok , but wouldn't like doing it continuously. It can cut 3/4" MDF, which is a harder task I presume.


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  2.  

    2 minutes ago, PH1 said:

    For this calculation, where you know the total current discharge rate from the battery pack only the number of cells in parallel matters as they have to share the total current discharge between them regardless of how many cells are in series. But yes it has 10 cells in total in a 5S2P configuration (2 parallel rows of 5 cells).

     

    Yep, you're totally right. Cells in series only combine voltage, so it's the number of rows  that counts.

     

    Had me puzzled for a minute there!

  3. 12 hours ago, PH1 said:

     

    1500 W / 18 V = 83.3 A

    EneRacer has 2 cells in parallel, so that's 83.3 A / 2 = 41.7 A discharge rate per cell 1500 W.

    However the datasheet for Panasonic NCR20700A hasn't listed any specifications above 30 A discharge rate: http://akkuplus.de/mediafiles/Datenblatt/Panasonic/Panasonic_NCR20700A.pdf

     

    Only 2 cells? You mean two rows of cells?

     

    Also, the above didn't really answer WHY the 6Ah Bosch batteries perform poorly (or poorer than the 5Ah anyway).

     

    I believe it's because the cells used (3000mAh) aren't capable of the same current (A) as the 2000mAh and 2500mAh cells used in 4Ah and 5Ah batteries. Someone who knows battery tech better can hopefully offer a better answer.

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