I had seen some great reviews of the Sanyo eneloop batteries, and after going through traditional AA batteries like crazy, I decided to buy a set. There seemed to be some confusion on other Amazon listings about whether the chargers came with UK or Eurozone ac sockets. I decided to chance it, since this retailer was advertising the UK plug, and I'm very happy to report that it _did_ come with the 3 pins.
The charger comes with 4x 1900-2000mAh AA batteries, that come pre-charged (Sanyo charge all their eneloop batteries with solar power at their factory in Japan!) & ready to use. It is worth noting too that eneloop batteries hold their charge for a year or so, meaning you can leave them in the drawer and still reasonably expect them to perform when you take them out. They also deteriorate much less than standard rechargeable batteries.
£10 is a steal for 4x rechargeable AA batteries and a charger, I can heartily recommend this product.
Oh, the charger will also recharge AAA eneloop batteries as well- so no need for another charger (unless you use D cells, but I haven't needed one of those for years...)