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Location: United StatesMember since: Oct 09, 2000

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jiumy1002 (627)- Feedback left by buyer.
Past 6 months
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Good buyer, prompt payment, valued customer, highly recommended
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Good deal. Fast payment. Glad it made it to you safely. Thank you much!
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Good buyer, prompt payment, valued customer, highly recommended.
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Quick response and fast payment. Perfect! THANKS!!
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Excellent buyer, great communication. Enjoy!
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Thank you for an easy, pleasant transaction. Excellent buyer. A++++++.

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Reviews (1)

Thunderbolt Magnum Solar - item#68738

Jun 24, 2016

Thunderbolt Solar Charge controller

This is a great charge controller that works and a super value under $30, it is only for 12V systems and is best suited for using up to 15 amps. So that is up to 200 watt output total for a 12V system. If you use it at the rated output (above the 15 amps) you need to cool the unit with an external fan running during the higher output. Note it does not exceed 26 amps and at that output it will not survive without a fan, for sure stay below 20 amps. You can run more than one of these charge controllers into the same battery bank at the same time allowing you to increase the total amps into the battery bank without risk of over heating the controller. Each controller must be connected as a stand alone unit to the battery bank as if it were one by itself, meaning do NOT have any interconnections between the controllers. You can have as many as you like so in theory you would have say 5 connected to one battery bank and easily have 75 amps feeding a battery bank with no risk of overheating. That's 5X$30=$150 for a 75 amp system! Also by doing this if one fails you are still up and running with 4 till you replace it.

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