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Parameters:
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1. solar panel: imported 40W~160W poly-crystalline silicon,20 years life.
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2. maintenance-free lead-acid battery,12V/24V 50AH~180AH,
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over charge and over discharge protection,3 years life.
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3. controller: solar digital programmable intelligent controller, switch on/off by light&time.
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4. light source: imported LED light source, 28W~112W.
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5. work time:10-12 hours a day, and 8-9 rainy days.
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6. pole: zinc-plated steel pole and coating to color of your choice,
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with the whole kit of stainless steel fasteners, 20 years life.
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7. work temperature: -30
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