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I have 7 raised garden beds with irrigation setup. Irrigation consists of a 100w solar panel going into a 120w max Controller. This charges 2 12v DC batteries connected in parallel. The batteries are used to power a 400gph water transfer pump which pulls water from my rain collection system when manually connected.

I have been trying to find a DC timer (as AC is not available and an inverter would kill the batteries) that will automatically turn on the pump at a set time then turn it off after a set time frame has passed with at least 2 on/off per day.

Does anyone have any suggestions on a timer that I can use for this purpose? It will be located outside but can be installed in a element tight enclosure if needed.

Any assistance is greatly appreciated. Thank you in advance.

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  • Imagine there should be one or a few. I know there are timers for watering lawns, but don't know how they work, AC or DC or sun dial. Would also place this question on gardening.stackexchange.com. They might know of something
    – crip659
    Jul 12, 2022 at 1:22
  • You can use any 7 Day timer for this ( as long as the Amp Rating is matched) - but your transfer pump should not really be consuming more than 2 amps. -- just do a google search. Depends if you want digital or Analog.
    – Hightower
    Jul 12, 2022 at 2:12
  • Croo post of gardening.stackexchange.com/q/62801/20139
    – Chenmunka
    Jul 12, 2022 at 6:57

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Take your pick: Search for: "12v 7 day timer" there is a large variety of them available to you. You can get them mail order, via the web or from your favorite box store. I will not recommend a brand but they range from about $10.00 to over $100.00 US.

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