Sony NP BG1 Lithium Ion > Reviews

Advantages: Brilliant battery life, looksa and size
Disadvantages: Probarably don't need a spare

...This battery came with the Sony Cybershot DSC-W55 and i have been using it for about 2 months and have not found a fault with it. It came free with the Camera (Amazom £139) but it can be bought separately for around £20. The battery charges up through a charger which plugs to a normal plug socket and takes around 4hrs depending on how charged the battery is. I got this charger with the camera and you should get it with any sony camera you get. ... Read review

Advantages: support for when you are court short, long life, high price
Disadvantages: not widely available and do you need an additional one?

Well what can I say about this battery really except that it is an extremely useful piece of kit for a camera; my old camera (a DSC 600) ran on the old style AA batteries and was continually running out after an afternoons not very intensive shooting, even when I bought AA rechargeables it did not improve much and cost me quiet a bit; my new camera however (that I was forced to buy after someone knocking into me sending my camera skimming across concrete ... Read review