Duracell Mini Charger + 2 x 1700mAh batteries - just £4.99 @ Argos (1/2 price) !!
Reserve online and collect @ store
Edit: now £3.49
Features : Ultra compact design for portable convenience | Perfect companion for Digital Cameras | Includes 2 1700mAh AA NimH batteries | Charges 2 x both AA and AAA | Charges in 2 hours, this may vary based on brand and capacity of battery | LED indicator shows when the batteries are fully charged