Tag: Powerbank

The Ultrapack Battery Pack for QRP Low Power Radios

Survival Tech Nord has an open project running for making a small external battery bank for radios that operate at low output (5+ watt).

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The basic principle is using 18650 lithium-ion (Li-Co or Li-Mn) batteries that have big energy density and match their voltage to that of the radio.

Continue reading “The Ultrapack Battery Pack for QRP Low Power Radios”

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