I bought a new 10.1' rockchip cortax A9 processor 1550ghz based tablet a month ago(Spice MI 1010). It is 4.1JB with a huge 7600Mah LI-Po battery.As i charge it to full 100% & turn it on the battery level always drops sharply to 97% in next 10 to 12 mnts & from here onwards it gets stable.The...