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ECO INNOVATIONS VI

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3016 Richmond, Christiansted, St. Croix, US Virgin Islands 00820

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ECO INNOVATIONS VI IS COMMITTED TO INCREASE THE USE OF SOLAR ENERGY, WE MAINTAIN LOW PRICES, EXCELLENT CUSTOMER SERVICE AND HIGHEST QUALITY PRODUCTS. CALL US YOU WILL BE GLAD.
LOWEST PRICE GUARANTEE 30 DAY
Calculate total DC and AC loads: DC Loads · Lighting - 2 x 15W DC Lights - each used 2 hours per day = 60Wh/day · Pump - 1 x 60W DC Pump - used 1/4 hour per day = 15Wh/day · Fridge - 1 x 48W Fridge - runs 8 hours per day = 384Wh/day Total for DC Loads = 459Wh/day AC Loads · Television - 1 x 50W - used 2 hours per day = 100Wh/day · Microwave - 1 x 900W - used 15 min per day = 225Wh/day Total for AC Loads = 325Wh/day Allowing for inverter efficiency of 85% = 382Wh per day (ie. 325 / 0.85) Total for AC and DC Loads = 841Wh per day
Select a battery, or a matched combination of batteries, that is capable of supplying the total power usage without being discharged more than 70%. In most cases it is recommended that the batteries are sized such that they have around 3 to 4 days back-up capacity. This allows for days with low sunlight and reduces the daily depth of discharge resulting in longer battery life. With 3 days storage capacity, the battery sizing would be as follows: · Ah Required = (841Wh * 3 / 12V) / 0.7 * 1.1 = 330Ah. Note: The 1.1 is used in this formula as batteries are generally only about 90% efficient.
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CURREN UTILITY RATE PER KWH $.50 Hy-Grid Home Hy-Grid Systems Solar Battery Sizing