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- Fri May 13, 2022 8:23 pm
- Forum: Garmin Zumo XT
- Topic: XT charging & 40% brightness issues
- Replies: 21
- Views: 6111
Re: XT charging & 40% brightness issues
I did some basic testing on a Zumo XT powered by a programmable power supply with constant current / constant voltage. When the unit is depleted and the screen is on full brightness, it can draw as much at 9.2 W, depending on precisely what it is doing (WiFi radio on off; Bluetooth radio on/off; GPS ...