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Hi,
I made already my 3x1.2Vx40mAh time ago on my Booster.
For charge I use a Clone TX with a DC power (I have 300mA,500mA,800mA available).
On my test I never been able to run my booster more then 1m30sec , for this reason I came back to my single 1.2Vx120mAh.
The best motor for 40mAh cell is the Bit 2.2, the other draw too much Amp, and as result the cell drop a lot of Volt, so a more powerfull 3.0 has no advantage !
At full speed the Volt between my 3cell dropped from 3.9V to 2.8V.
Full speed has increased to 13km/h from 11km/h (not a lot !)
I don't have a professional charger, so I don't know if I can get more out of it !
Anybody elase has made test on 3x1.2Vx40mAh ?
e_lm_70
P.S: It look to me that the best is to make a 3x1.2Vx80mAh, using 6 cell, 3 in series with the two group in parallel, as result there will be more juice for the motor and more running time ! ... but need some space on the car !
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