Super Power Pack Galaxy S2 vs Extended Battery

[EsyadLar]

hello guys.. i wanna buy power pack.. but somehow i heard about the advantages and disadvantages? i wanna ask your opinions for those who have used the power pack battery.. and another question.. can i just attached the power pack continuously without plug it off.. thanx

[lucas tang]

is it useful? i have not used a power pack before. i think it's not so convenient

[EV0]

I have the seido 3800mAh extended battery and i bought the 10,000mah power cell that is about the same size as a phone and you can connect up to 2 3Amp usb charges to it. Depends on what your doing. For me im always on the move and my cell phone is in my pocket so the extended battery for me works great. Even though I can blow through the regular samsung 1780 battery or w/e in about less then a couple hours. If you are albe to leave your phone plugged into a power cell i'd go with that since theoretically you can have more for less. but if you like portability then go with extended battery. Get a wall charger and 2 bigger batteries and swap them when you need