Extended Battery?

[jinvox]

Anyone have any suggestions as to the highest yet most reliable extended battery to get for this Touch Dual?

 

[Tim4]

One russianguy have bought 2800ma battery. I dont know which brand, but he says it works perfectly

 

[dialupboy]

Have anyone tried this;

http://www.bizrate.com/cell-phone-accessories/oid743005870.html