[need help from the pros!]

the powersupply is needed for this charger http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXUF44&P=7, the 1st powersupply in my 1st post is the original one intended for the charger, i lost the powersupply and was looking for a cheaper alternative. thanks for the  help  ;D

[need help from the pros!]

hi everyone, im new to the forums and a noob with electronics. i wanted to know if these products are exactly the same. if there different can you point out the differences?

product 1 http://www2.towerhobbies.com/cgi-bin/WTI0001P?&I=LXUF47&P=V and
product
2http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F009%5F001%5F001%5F001&product%5Fid=273%2D1779

http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F009%5F001%5F001%5F001&product%5Fid=273%2D1776
compare this one^ to the first product

and finally compare this one to the first one
http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F009%5F001%5F001%5F002&product%5Fid=273%2D1667

which one would be the perfect or close match for product 1?

thanks for the help.
-j