This battery charger replaces the Canon original: [ CB-2LX ] family model battery chargers for the NB-5L battery pack. Package includes: One ultra slim lightweight battery charger one DC Car Plug Adapter and one European Adapter (220V)). Compatible with the following device models: Canon PowerShot SD870 IS SD850 IS
[...]

Manufacturer Description
Manufacturer Description Discover a new inspiration. The PowerShot SD850 IS Digital Elph is a digital camera that will really get your creative juices flowing. It starts with a high-resolution 8-megapixel CCD, a 4x optical zoom with Canon’s exclusive UA Lens and an Optical Image Stabilizer [...]

For CANON PowerShot SD700 IS / PowerShot SD750 / PowerShot SD800 IS / PowerShot SD850 IS / PowerShot SD870 IS / PowerShot SD900 / PowerShot SD950 IS / PowerShot SD1000
[Read More...]
Buy Hitech - USB Cable for Digital Camera CANON PowerShot SD700 IS / PowerShot SD750 / PowerShot SD800 IS / [...]

This is a 1400mAh high capacity replacement battery. The higher the mAh rating, the more power a battery can store and the longer it will last per charge. It contains premium Japanese grade A battery cells and is guaranteed to outperform the Canon original battery. This battery is CE certified and built to [...]

100% Brand new high quality camera case - Fits Canon Powershot A480, AS850, S410, S500, SD20, SD200, SD300, SD400, SD450, SD500, SD550, SD600, SD630, SD700, SD750, SD770, SD780, SD790, SD800, SD850, SD870, SD880, SD890, SD900, SD1000, SD1100, SD1200, TX1
[Read More...]
Buy Universal Camera Case for Canon Powershot A480, AS850, S410, S500, [...]

No description for this product could be found, but have a look over at Amazon for reviews and other information.
Buy Black Kroo Digital Camera EVA Case for Canon PowerShot SD990 SD970 SD960 SD880 SD780 SD890 SD790 SD1200 SD1100 SD770 SD850 A2100 A2000 A1100 A1000 A590 A480 A470 E1 at Amazon

The SD850 IS was first announced in May 2007 as a replacement for the Powershot SD700 IS. It constitutes only a relatively subtle upgrade.

Visually the SD850 is virtually indistinguishable from the older model, and there are only a handful of modifications to the specification of the camera. Most notably the sensor now records 8MP images [...]

The 8-megapixel Canon PowerShot SD850 IS combines several classic features of the Digital Elph line with new perks garnered mainly from a new image processor. The Digic III image processor brings with it face detection technology that can recognize up to nine faces at once, as well as technology that reportedly keeps pictures cleaner. The [...]