Yes, I think we could anticipate that would be the case, simply because more energy must be stuffed back into a Scooba battery in about the same period we are used to seeing a Disco re-charge.vic7767 wrote:While capturing charging data on the ... Red ... my first observation was {it} was not as aggressive on the battery as the Scooba charging environment.
Question on that time period -- did that battery actually take 807 mins / 60 mins_per_hr = 13+ hours to reach the fully charged state?..., here's what happened at minute 807.
{...I'll judge mine on the 3rd}.This battery is being cooked just like the scooba battery,...
We have been told (by iRobot CS Mgr.) that Roomba uses a 12-volt cut-off, to indicate it has exhausted all reasonable charge. On that basis, the mean cell voltage would be one volt.vic7767 wrote:..Do you or Gordon have an idea of what cell voltage I should test for before starting the charging, logging tests again?
Mike, lest owners get the idea that a Discovery's Standby Current Drain is 52mA, (I knew it to be less so...) I just re-measured the quiescent current draw in my 4210, and confirm it is only 7mA (rounded to nearest mA).mfortuna wrote:The negative current is simply the battery not being charged. The roomba is consuming 52 mA while idle.
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