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Solar Powered Drip Irrigation Answered

Hi. I am in the process of designing and building a balcony garden with drip irrigation for multiple 3' x 1' planter boxes. The idea is to automatically water with a reservoir pump attached to drip line. There is no water or electrical outlet, so it has to be off grid. This being my first solar project, advice and assurance would be much appreciated. The pump would be turned on for about 1 hour every other day or so, this being hot Miami. 

Diapragm Pump (12 Volts, 3 Amp draw): should generate enough PSI for the drip line http://www.ebay.com/itm/100PSI-DC12V-4L-Min-Solid-Electric-Diaphragm-Water-Pump-Self-Priming-for-RV-Boat-/281366070408?

UPG UB1250 Sealed Lead Acid Battery (12 Volts, 5 Amps): http://www.amazon.com/UB1250-Sealed-Lead-Acid-Batteries/dp/B001DL9IBC/ref=zg_bs_389574011_9

ALEKO® Solar Panel (5 Watt, 17.5 Volt VMP): http://www.amazon.com/ALEKO%C2%AE-5W-5-Watt-Monocrystalline-Solar/dp/B0046HE62G/ref=sr_1_7?s=lawn-garden&ie=UTF8&qid=1450573836&sr=1-7&keywords=5+watts

Docooler Solar Charge Controller (20 Amps, 12 Volts): http://www.amazon.com/Docooler-Controller-Battery-Regulator-Protection/dp/B00L37KZI6/ref=sr_1_3?ie=UTF8&qid=1450580867&sr=8-3&keywords=charge+controller

Main concerns: Will the battery and other electronics be able to function through the 100+ degree days of Miami? Does the system have a good power supply? Is the equipment good quality to last 3+ years?

Thanks for all the input and insight!

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