Garmin Oregon Akkupack NiMH-600 / 650er Serie - fits Oregon 600, Oregon 600t, Oregon 650, Oregon 650t (Accessory)
Beautiful life: my GPS was left on in permanent backlight mode on a hiking over six hours Useful: charging the battery from the GPS to the USB port of the computer, without having to open the GPS. I take off a star because - Small difficulty to place