After getting a cheap TZ10 the other week from a previous Hotuk post .. I thought this was a good deal and may be of use:
Fantastic 7dayshop price on this popular Panasonic fit Li-Ion battery.
High quality 3.6v 895mAh lithium-ion replacement for the following camera models.
Full 1 Year Warranty.
Panasonic Lumix DMC-TZ Series
Panasonic Lumix DMC-TZ6
Panasonic Lumix DMC-TZ7
Panasonic Lumix DMC-TZ8
Panasonic Lumix DMC-TZ10
** NOTE **
For an extra couple of quid you can get the Energiser version from here too ...