Probably rubbish ...but worth a punt?

Should be good enough for a Feather.

http://www.dealextreme.com/details.dx/sku.5105http://www.dealextreme.com/details.dx/sku.5105

A quick Google around gives a probable continious discharge rate of 15C.

BUY 10 or more ...go to checkout click BULKRATE and the price drops to $34.69 including shipping!