This Garmin battery charger is compatible for your Alpha 100 handheld. Power your Garmin lithium-ion battery with the charger or an AC adapter. This is perfect for you Garmin Alpha users that has already bought an additional battery and needs another way to charge the battery other than the Garmin Alpha. This kit even includes plugs for the United States, United Kingdom, Europe and Australia.
Garmin Battery and Charger combo also works with the following Garmin products:
Garmin Montana 600
Garmin Montana 600t
Garmin Montana 650
Garmin Montana 650t