Question about using solar panels?
All I want to power is a small ice-maker (250 watts) for 25 minutes per day. That’s all!!!
Can I do that by using a 100 watt panel with 2-3 deep cycle batteries and getting 10 hours of quality light per day.
(BTW) what size converter would you recommend? I want more than I need to grow the system
You are using 250W for 1/2 hour = 125watt hours a day.
Figuring in losses, you would at least a 26amp hour (aH) 12V battery, like this one, http://www.altestore.com/store/Deep-Cycle-Batteries/Batteries-Sealed-Agm/Universal-Ub12350-12V-34Ah-20Hr-Sealed-Agm-Batt/p1999/. Get more aH if you want to run more ice cream makers or longer.
Best case sun in the summer, you’d need about 40W panel, worst case in winter, 100W. http://www.altestore.com/store/Solar-Panels/1-to-50-Watt-Solar-Panels/Kyocera-KC40T-40W-12V-Solar-Panel-with-J-Box/p722/ to http://www.altestore.com/store/Solar-Panels/100-to-149-Watts-Solar-Panels/Kyocera-KD135GX-LFBS-135W-12V-Module-Blue-Cells/p8471/. The 135W gives you lots of room and is a great price.
You also need a charge controller, depending on which panel you use, you could use http://www.altestore.com/store/Charge-Controllers/Solar-Charge-Controllers/PWM-Type-Solar-Charge-Controllers/Morningstar-Charge-Controllers-PWM/Morningstar-Sunsaver-Ss-6-6A-12V-Pwm-Charge-Cntrlr/p803/ or up to http://www.altestore.com/store/Charge-Controllers/Solar-Charge-Controllers/PWM-Type-Solar-Charge-Controllers/Morningstar-Charge-Controllers-PWM/Morningstar-Prostar-15A-1224V-Solar-Charge-Controller-no-dsply/p787/
You’ll also need at least a 300W inverter to convert from the 12V DC battery to 120V AC. http://www.altestore.com/store/Inverters/Off-Grid-Inverters/300-to-999-Watts/Samlex-300W-12V-Pure-Sine-Wave-Inverter/p1044/. Bigger if you plan to use more than one ice cream maker. Figure 300W per maker.
LED grow light 600 watt
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