I may have found an Alibaba seller willing to sell single pieces of replacement batteries for our 7-inch CE netbooks. Here is his response to my price inquiry:
Thanks for your inquiry from alibaba.
Please check quotation as below for your reference .
Unit price: 5USD
Shipping fee: 10USD by SG post;
If you need other information, please let us know.
Wish you have a nice day and hope to hearing from you soon , thank you very much !
...so it looks promising! Here he is:
http://chinaplus.en.alibaba.com/product/437337362-213203112/Cheap_7...
I'm gonna try ordering one.
Update: I've asked this seller to offer single pieces on Aliexpress, which does accept PayPal.
Edited by Chuck E 2013-11-02 11:09 PM