Mangoh yellow how to set battery capacity

Hi I am using a 3000 mAh battery with mango yellow. I tried to use the ma_adminbattery_SetTechnology(“LIPO”, 3000, 3700); to increase the battery capacity from its default 1342. But this api is not implemented for the mangoh yellow. I also tried writing directly to the /sys/class/power_supply/BQ27246/charge_full file but that is a read only file. Is there another way to change the battery capacity.

you can see here:

Thanks, I made the changes and the capacity and percentages are now looking a lot better. However the battery charging seems to stop at 89% and charge current goes to zero. Any ideas why it will not charge the battery above the 89%

Probably the battery is full if charge current is zero