Hi bob,
the first original SEGWAY batteries started with 5.2Ah and changed to 5.6Ah usable capacity. (the sticker on the battery stayed ad 5.2Ah)
The BMS can only calculate to 6.6Ah so it does not make sence to go over this.
Please get sure that you take lifepo4 cells (3,2V/cell not liion (3,7V/cell)!
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