Horizon Signal SQ3TS, Руководство пользователя

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Battery Maintenance
It is important to note that in colder climates solar collection alone may not be sufficient to maintain optimum
battery voltage. If battery voltage drops, the Horizon Signal system can be charged using an external power
source, such as a generator. The battery charger can be connected to an 110v power source by using the power
adapter located underneat the front of the trailer. See the chart below for battery charge levels.
If battery voltage drops below 11.5 volts, it can take up to 72 hours of constant charging to restore the batteries
to 100% charge. Battery life and charge times will vary depending on temperature and sunlight hours.
Specific gravity can be determined using a Hydrometer as seen below: