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Outdoor & Recreation
Campers, Vans & 4WD's
Solar Panels - Information and Questions
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<blockquote data-quote="slowflow" data-source="post: 110650" data-attributes="member: 1071"><p>I have fitted & run ctek 250 dual in my sons & my vehicle.Mine has run for about 2 years, 1 st to charge 240 Ah but now 120 Ah. Charge from the car or a 250 watt solar panel which almost keeps up with a 55 ltr freezer + an overnight draw of 3 amps for however long I sleep. Voltage will drop from 13.6 (AGM battery) to 12.4-6 overnight. Current draw is MUCH higher if the car is locked up in the summer sun due to freezer running continuously & inefficiently. I need to run the car every 3-4 days depending on conditions.</p><p>Freezer usually at -5.</p><p>My solar carries an independent charger & therefore plugs directly to the battery.</p><p>Ctek puts out 20 amps max. 5 stage charging. Tunning at home to precool the freezer I use a 20 output computer power supply to the ctek solar input.</p><p></p><p>I would not expect 120w to maintain the battery for the freezer for more than 3 days depending on operating environment.</p></blockquote><p></p>
[QUOTE="slowflow, post: 110650, member: 1071"] I have fitted & run ctek 250 dual in my sons & my vehicle.Mine has run for about 2 years, 1 st to charge 240 Ah but now 120 Ah. Charge from the car or a 250 watt solar panel which almost keeps up with a 55 ltr freezer + an overnight draw of 3 amps for however long I sleep. Voltage will drop from 13.6 (AGM battery) to 12.4-6 overnight. Current draw is MUCH higher if the car is locked up in the summer sun due to freezer running continuously & inefficiently. I need to run the car every 3-4 days depending on conditions. Freezer usually at -5. My solar carries an independent charger & therefore plugs directly to the battery. Ctek puts out 20 amps max. 5 stage charging. Tunning at home to precool the freezer I use a 20 output computer power supply to the ctek solar input. I would not expect 120w to maintain the battery for the freezer for more than 3 days depending on operating environment. [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
Solar Panels - Information and Questions
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