Why you lie down with such a stylish smartphone like the Galaxy S2 as a chunky battery to? It's simple: so you are not forced daily to charge the cell phone and has over several days power available. That the battery is clunky, brings to the phone almost 152 grams on the scales together and the Galaxy S2 gets a little out of shape, I was perfectly aware, as I ordered the battery. You have to make yourself aware halt! The battery has enough of power and the supplied battery cover looks good (glossy is not my personal favorite, but it looks as an integral whole with the glossy front top out) and fits like a glove. Therefore, my expectations are fully met. By thicker bead the battery the phone is in spite of everything good in your hand. So: POWER ON tired; -several days Power and not hold out desperately for a socket; - Quality of the parts beyond doubt, therefore *****