Mugen power is the worldwide leading brand of high performance batteris for portable electronic devices. Mugen power meets performance and quality and delivers full spectrum of high quality products for PGAs, smartphones, digital cameras, camcorders, MP3 players, portable DVD players, notebooks and personal media devices. Extend the life of your phone with most powerful battery on the market for a Samsung Galaxy S3 from Mugen power. This extended battery is powered by quality cells to guarantee the highest levels of protection and performance while offering you over 2 times more capacity of your original battery.