I have for sale a lightly used powerbook g3 wallstreet battery. It charges up to 100% and all 4 lights turn on. It looks like new and will run your wallstreet for approx. 2 hours ( I actually timed it a few days ago)
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=180184741543&ssPageName=STRK:MESE:IT&ih=008
Good luck!
Whoops the link didn't work before...
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=180184741543&ssPageName=STRK:MESE:IT&ih=008