A replacement battery for the popular Apple iPod Nano portable music player. This battery uses the latest Lithium-Polymer technology to give an outstanding 400mAh power capacity. A replacement battery for all 1st generation models of the popular Apple iPod Nano portable music player which look like this: If your iPod does not look exactly like this (apart from the colour) then try choosing your model on our iPod department home page or have a look at our other iPod batteries to find one with a picture that does match your model. The 1st generation iPod Nano range includes the following model numbers: