Zen Mobile Z77 Complaint

I bought Z77 Mobile 3 Months back. After 1 Month, it was having display problem. It has been resolved. But, After that another problem came. It is not able to charge after getting switched off due to insufficient battery. After one hour, i tried to charge, but it wasn't able to charge. When I showed this problem to service center, he said the battery went dead. If you keep battery as it is in moble for 2-3 days. It becomes dead. But, this problem is not there in any of the other std handsets like nokia,samsung,sony etc. So, If we forgot to charge after low battery, it will got dead within an hour. So, to charge it , we require battery charger. It is available with service center guys. So, it is very tedious job. So, I recommend that do not buy this mobile as it is having lot many problems. They r claiming 1.3 MP Camera. But, quality is not also gud as that of VGA Camera.