I have found that these things are amazing

11.00 for a four pack - these will outlast your radio

http://www.batteryjunction.com/enelo...-nimh-lsd.html


# Immediately usable new rechargeable battery
# Sanyo Eneloop Batteries can replace alkaline batteries for all your needs and can be used in any application where AA batteries are needed.
# Extremely Low Self Discharge high performance even at low temperatures down to 10 °C during your winter vacation
# No Memory Effect - Recharge at any time.
# An Environmentally-friendly product right from the battery to the packaging
# Comparatively more powerful and longer-lasting than dry cell batteries and superior low-temperature electrical discharge performance
# Can be charged up to a 1000 times.
# Economically more efficient than dry cell batteries, ‘eneloop’ can be used 1000*1 times over. Also, no need to worry about memory effect .
# eneloop is a state of the art Ni-MH battery which can be charged like any other Ni-MH battery.
# Can be charged by using any good quality NiMH Battery Charger.
# Dimensions: 14.35 mm (diameter) X 50.4 mm (height)
# Weight: Approximately 27g
# Warranty: 1 Year by Sanyo
# Mfrs PN: HR-3UTG-4BP, GES-HR3UTG-4BP