You are right. Buy adding a larger amont of mah and to display exactlly what the actual battery info in real time are to brake though their board and reprogram it. Keep us post with your testingThe volume of the the original battery slot can allow maybe up to 6000-6500mah battery to be fitted inside in nowadays LiPo technology.
I am intending to use several packs bigger, so that space has no use for me.