We have upgraded the off-grid DC power system for the repeater. Our original setup used a micro inverter and a single battery. After a recent power outage, it was clear this was not going to work as it only lasted 5 hours. The Quantar repeater will now revert to the 24-volt battery bank in the event of a power failure. While on battery the repeater will reduce output power and send an alert over the air. Quick math using the TX amp draw of the repeater @ 6 amps and a battery bank capacity of 440 Ah the repeater would be able to transmit continuously for 65 hours or remain on standby for 1900 hours. With normal use, we should have no issues sustaining a week off-grid.

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