The output is also protected by a voltage monitor that automatically disconnects your expensive radio from too high of an input voltage. Both are protected by an automatic disconnect in case of accidental over current such as a short circuit. Power output up to 32Ah total is provided by dual output connectors. The POWERmini supports both Lead Acid and Lithium Ion batteries. It can even automatically disconnect the battery from the radio in case you forget to do so. With regard to the discharge cycle, the system monitors the battery voltage and provides warning of low battery voltage helping to avoid damage to the battery due to deep discharge. This functions not only as a charger, preventing reverse current flow into the panel and ensuring that the battery is not overcharged, but it also provides monitoring of the panel indicating how much charge has been delivered to the battery and reports the panel power output to provide a view of how well the panel has been working. Simply put the Power Management system looks after the health of the DC battery powering the system for both the charge and discharge cycles, but also keeping an eye open to protecting your radio too.įrom the charging perspective a dedicated solar panel input allows connection of a solar panel with up to 11A of current to charge the system battery. Batteries require attention to maximize their life and solar panels need to be managed to prevent overcharging. That provides a lot of convenience for mobile and portable applications but operation is not quite as simple as plugging into a wall outlet. For a radio with 100W output that amounts to an input current around 25A. Most Amateur Radio gear is designed to be operated directly from a 12V DC power source. The POWERmini 2™ is described as a DC Power Management System, but what is that?
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