Hey guys Camera Geek here from AccessoryGeeks.com showing you today a battery for the Samsung Galaxy S II T-Mobile anyway this is been a battery not extended battery is not aftermarket batteries this is made from Samsung 1800 it the milliamps not sick and believe the on your actually you 1850 and him This is replaced the battery for the Galaxy S II T-Mobile some you know if you have phone and you been recharging your phone too many times not living the battery cycle now the of chart or the battery life stunted or maybe lost your battery or you just want a spare one just in case your away from your charger for any reason whatsoever on this item that you want you never know when you Juergen need a spare battery you because the charge cycle might die or you Juergen Buick charger or your power outAegis that and you need to make a phone call this deftly can these something that you a we guys again anymore questions regarding the T-Mobile Samsung galaxy S twos there battery or because of question about any the items of have here at AccessoryGeeks.com don’t hesitate to give us a call at 1-866-GEEKS-93 or you can contact us via live chat Facebook or e-mail our office hours are Monday to Friday 8 AM to 4 PM Pacific dinnertime as always there is free shipping to the US and Canada this is been Camera Geek guys and remember that you got it from a geek