Battery life is bloody good if you set the Rino up right and be sensible on the radio use.
I have set mine for 50% back light and screen shuts down after 15secs of inactivity.
Can easily get several days on one charge just like this.
The other thing I have done is bought the car charger, a female adapter and a small 12v 7amp/hr spot battery for overnight charges.
Plug the Rino to the battery via the car charger and in less than an hour your fully charged again.
I've recharged four units over three days like this and never run the battery short yet.
For longer trips a solar panel to recharge the spot light battery during the day is the way to go.
Cheers
Pete
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