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Monday, February 6th, 2023 at 2:07 pm
#13174
![Dennis Burke](https://skysoaring.com/wp-content/uploads/ultimatemember/22/profile_photo-80.jpg?1725751327)
Participant
The OGN boards DO have a battery on board, bu can’t see it, its mounted on backside in a holder because its a Tubular Lith ion (looks like a Big AA) with about 3400 to 3700 milliamphour capacity. It can be recharged thru the onboard USB port.So to unit is somewhat stand-alone.