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battery chemistry


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Hi all,

I have a new DEWALT DC 722 with the conmpact Li-Ion battery (1.1Ah) and an older Makita with a compact Li-Ion battery. I had a look inside the batteries and it looks like that both DeWALT and MAKITA get´s the same cells Sony US 18650 VT in the MAKITA and US 18650 FT in the DeWALT cells, did anybody now´s more about the diff. between these two cells?

- What is the chemistry of the cells ?

- Did they get the same capacity?

- Any information about the life cycles?

Many thanks ind advance



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JC, you can't lump the BMS price into the cell price. For example VT cells in Bosch are self-balancing and require a very primitive BMS. The 36v BMS in Dewalt or the 4v Milwaukee screwdriver have state-of-the-art BMSes. (Milwaukee one is in the driver itself).

PS: Thanks for the forum link. I will add you to my blog links.

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