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Replacing the Battery in a zumo 450 and 550
Many Garmin automotive devices, including the zumo 450 and 550, have a removable battery.
Note: The replacement battery for the zumo 450 and 550 has been discontinued and is no longer available through Garmin.
If your device will not power on, you may be able to resolve this by performing a soft reset. For instructions see zumo 450 or zumo 550 Device Frozen or Not Powering On.