iPod replacement battery for Apple iPod Shuffle Replaces Apple iPod Batteries: 616-0212 AIP-165L1 Battery Type: Li-on Battery Voltage: 3.70 V Battery Capacity: 250mAh MY AH RATING IS DIFFERENT? The AH (Amp Hour) Rating is the storage (or fuel) of the battery, the higher it is the longer the battery lasts between charges, bit like petrol in your car so a higher or lower one makes no different to the performance, just the length of time you can use the tool for. Compatable with original chargers and OEM equipment. Fits iPod Shuffle: Apple iPod Shuffle