Nikon SD-8A Battery Pack (SB11,20-28,SB28DX,SB800,SK6 Bracket) at KEH Camera
Kastar 2-Pack NB-5L Battery Replacement for Canon Digital IXUS 870 IS, IXY Digital 910 IS, PowerShot S100, PowerShot S110, PowerShot SD700 IS, PowerShot SD790 IS, PowerShot SD800 IS Camera - Walmart.com
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Nikon SD-800 Quick Recycle Battery Holder (SB-800) at KEH Camera