I just got a new 1100 mAh Tx pack. I charged it a few times at 100mA then discharged it at 100mA. After 2 times charging / discharging it this way I cycled it 3 times charging at 300mAh and discharging at 300mA. This is the charged/discharged measured by my charger (Graupner Ultra Duo Plus 30):

Dischage 1 : 1294 mAh
Charge 1 : 1103 mAh
Discharge 2: 1289 mAh
Charge 2 : 1058 mAh
Discharge 3: 1282 mAh
Charge 3 : 1059 mAh

I dont know the cutoff voltage as that is controlled by the charger when in cycle mode. In discharge mode the cutoff voltage can be specified.

What makes me wonder is that the charged in is less than the following discharge. Is this to be expected. I wonder if my charger measures poorly or maybe I do something wrong.

What is the best measure to use when keeping watch of the batteries condition. The charged in or discharged mAh?

Im quite new to proper battery maintainance and try to learn.

Thanks for any comments.
RCfun

The discharged mah number is more important. If you are less than 80% capacity, I would replace the battery pack.

Mike

check out www.rcbatteryclinic.com. It has great info for this type of thing.