http://hobbycity.com/UNITEDHOBBIES/store/uh_listCategoriesAndProducts.asp?idCategory=218&Pa rentCat=85http://hobbycity.com/UNITEDHOBBIES/s...cts.asp?idCate gory=218&ParentCat=85

LiFePo4 cells that are not from A123, lighter but lower discharge rate.