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Saw this on the Meshtastic Facebook group
73
Rich n5csu

Cold Weather Repeater: I live in Idaho and even though spring is coming, the entire winter is below 32 degrees F, so Lithium batteries will not work for outside use. I use a 12 volt 7.2 AH gel Lead Acid Battery with a 10 watt solar panel. Even with a week of overcast and snow, the battery has stayed charged enough to power the repeater. It has been up for over 6 weeks now and has worked perfectly. ?I use a Wisblock, charge controller for the panel and 12 v to 5 V USB buck converter. It has a 4db omni antenna. I know the Wisblock has a built in charge controller, but have read about failures with it. The panel came with the charge controller, so I use the supplied controller. This repeater at just 32 feet above my home covers my entire small town and a great deal of area outside of town (I'm amazed). If you are looking to get more Meshtastic users, put up a repeater. Giving new users the ability to have service in a wider area will help increase the numbers of users in your area. I have a pretty good hill on the North side of town. As soon as the snow clears, I have a place to put another repeater. This will greatly increase coverage area and even allow my city to connect with a neighboring city as soon as a repeater is put up high there, which is in the works. P.S., though not done yet in the photo, I like to hot glue the antenna pig tail to the board so that vibration will not have it come loose. Enjoy !