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The RV 660 does have an internal battery, which charges whenever the device is connected to power. The maximum battery life is 1 hour. Brighter backlight, higher volume, active navigation, and active Bluetooth connections can all contribute to a faster-draining battery. -MH
Sorry, there was a problem. Please try again later.When you plug the unit into your car it recharges the battery-have never used any of our GPS on battery mode, always keep them plugged in when in use.
Sorry, there was a problem. Please try again later.Yes it does.....it is awesome. Just love it!
Sorry, there was a problem. Please try again later.Yes it has a rechargeable battery inside. Charges while you drive. You can not open the unit. Just started using this one. It seems to have more features then the old one.
Sorry, there was a problem. Please try again later.The RV 660LMT has an internal battery with a short battery life. Unfortunately, it really needs to be used plugged into your vehicle.
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