“Samsung Galaxy S Duos S7562” is a Dual Sim Android v4.0 (Ice Cream Sandwich) OS phone whose battery is 1500 mAh Li-Ion which can give you a talk time of 12 hours on the 2G network and up to 8 hours on 3G. Also, the phone supports up to 570 hours standby time on 2G and up to 470 hours on 3G.

On the other hand “Samsung Galaxy Grand Duos I9082” is also a Dual Sim phone from Samsung which is said to be very powerful. It has Android v4.1 (Jelly Bean) OS and a 2100 mAh Li-Ion battery which is undoubtedly very powerful.

So, it is very clear that “Samsung Galaxy Grand Duos I9082” has a more powerful battery.

“Samsung Galaxy S Duos S7562” is a Dual Sim Android v4.0 (Ice Cream Sandwich) OS phone whose battery is 1500 mAh Li-Ion which can give you a talk time of 12 hours on the 2G network and up to 8 hours on 3G. Also, the phone supports up to 570 hours standby time on 2G and up to 470 hours on 3G.

On the other hand “Samsung Galaxy Grand Duos I9082” is also a Dual Sim phone from Samsung which is said to be very powerful. It has Android v4.1 (Jelly Bean) OS and a 2100 mAh Li-Ion battery which is undoubtedly very powerful.

So, it is very clear that “Samsung Galaxy Grand Duos I9082” has a more powerful battery.