Question : Problem: battery keeps dying fast

It seems the battery dies within the day, but when I recharge the battery it only takes a short time.

Answer : Problem: battery keeps dying fast

See this Palm article:

Conserving battery power and making the most of your Treo 680's battery life

http://kb.palm.com/SRVS/CGI-BIN/WEBCGI.EXE?New,Kb=PalmSupportKB,CASE=42764