Hi,
Is it exactly 2800mah each time or close to it?
(If it's exactly 2800mah each time, then the timeout safety could be getting triggered.)
Does the pack reach 8.4v on the charger, then the charge rate drop down (0.5amps or similar.) Then the charging stops?
The 5500mah capacity is the total for the pack.
To keep the lipo good you really don't want to take it down to zero capacity.
(Approx 3.3v per cell.)
What are you doing with the pack between charges.
If you are using it for a very similar time / use. Then you will take approximately the same from it.
IE same pack for 3 x 5min qualifying runs (similar runs each time) it should take close to the same each time to fully charge.
MiCk B. :-)
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