Reputable parts supplier for "old" iPod Nano 7?

I have a barely 2-year old 7th gen Nano that exploded and I'm looking for a new battery and LCD. I'm nervous with the cheap batteries I'm finding on eBay. Can anybody recommend a good supplier located in the US?

I've already contacted Apple - since it was out of warranty and there are no other similar cases on record, they only suggested I trade it in on a newer device. I've got several iDevices and a few other gadgets and never, ever had the battery pop like this sucker did!