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Renogy 100 Watt 12 Volt Monocrystalline Solar Panel (Compact Design) Expired
$81.85
+ Free Shipping
Amazon.com has Renogy 100 Watt 12 Volt Monocrystalline Solar Panel (Compact Design) on sale for $81.83 when you select no rush shipping (discount reflects in checkout). Shipping is free. Thanks rsvpd
No Longer Available:
- Amazon.com has Renogy 100-Watt 12-Volt Monocrystalline Solar Panel on sale for $87.13 after clipping $3.54 coupon (discount reflected in checkout). Shipping is free.
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- Includes 25-year transferable power output ; 5-year material and workmanship warranty.
- This 100W solar panel is the perfect item for off-grid applications. Use it for your RV when camping, or during beach trips with the family and with a set of MC4 connectors coming directly off the panel, connecting with other Renogy panels is a breeze.
- Refer to forum thread for additional deals and deal discussion
Original Post
Written by
Edited July 20, 2019
at 05:38 AM
sold/shipped by Amazon [amazon.com] has Renogy 100 Watts 12 Volts Monocrystalline Solar Panel for $87.13 after $3.54 clipped coupon. Shipping is free.credit - No more coupon, so now $84.54
- Dimensions 47.3" L x 21.3" W x 1.4" H
- Warranty | 25-year transferable power output ; 5-year material and workmanship
- Dimensions: 42.2" L x 19.6" W x 1.4" H
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View All| Rating: | (4.7 out of 5 stars) |
| Reviews: | 941 Amazon Reviews |
| Product Name: | Renogy 100 Watts 12 Volts Monocrystalline Solar Panel |
| Product Description: | Renogy 100W 12V monocrystalline solar Panel is Renogy most popular product! High in power but sleek in size, This 100W solar panel is the perfect item for off-grid applications. Use it for your RV when camping, or during beach trips with the family, either way this monocrystalline panel provides you with the most efficiency per space. With a set of MC4 connectors coming directly off the panel, connecting with other Renogy panels is a breeze. If off-grid solar interests you, then start with Renogy today! |
| Manufacturer: | Renogy |
| Model Number: | RNG 100D |
| Product SKU: | B009Z6CW7O |
| UPC: | 700175820877 |
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1. Find out the energy consumption first.
i.e. 4x 10W light bulbs need to be on at night for 4 hours
So each day, it need 160W.
1x 20W fans need to be on for 6 hours
So each day, it need 120W
If that is all you need to power, you need 280W a day
2. For how big a battery is needed for 280W a day?
Since we do not want to drain the SLA battery to more than 50%, so it is better to double the W capacity so that consuming 280W energy is going to be half of the battery capacity. As a result, 560W is needed instead of 280W.
As for the Ah, all we need is 560W / 12V = 46.7A
Therefore, you need a battery or batteries combine with total of 46Ah or more. So a pair of 35Ah wired in parallel should be good. It gives you total of 70Ah. And the Lights and Fans will use about 24A of power each day. So the battery still have about 67% capacity.
3. What about the Solar Panels for charging the batteries?
100W panel at 12V, it may produce 8.33A, but in real life they are not. In good condition, it may about 5A (based on what I read). So let just say it can produce 5A in one hour. It take 4.6 hours to product 23A. Even for Max 8.33A, it will still take 2.7 hours to produce 23A. For that, I think 1x 100W panel should be enough as long as you have a lot of sun for 5 hours. Otherwise, get 2x 100W panels run in parallel so shorten the time by half.
Please note that the above calculations does not factors cloudy or rainy days, geographical and time of the year. You will have a lot less power generated if you are located in a area (northern) will less Sun during the Winter on a cloudy day.
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Solar panel gets wired to charge controller, and that get wired to the battery. From there you wire the lights with switch. Otherwise you need to have an inverter to change the 12 to 110
Edit: I have a 50 watt renogy in my living quarters in my horse trailer. It is enough to charge a 12v marine battery during the day to power several led lights, pump for water, fans, and radio.
Pretty easy. Need a battery, charge controller. For charging tools, etc. you need an inverter. For lights I would just keep it native 12v, and use LEDs.
The compact version is even cheaper:
Renogy 100 Watt 12 Volt Monocrystalline Solar Panel (Compact Design) https://smile.amazon.co
Just need a controller, battery and inverter
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I'm thinking that for dry camping, I would hook this up each morning to the battery and charge it (watching it throughout the day on sunny days). Given a few things (like water pump) running during the day, I figure I'll basically completely drain the battery each night and so it'll never get fully charged through the day.
I'm thinking that for dry camping, I would hook this up each morning to the battery and charge it (watching it throughout the day on sunny days). Given a few things (like water pump) running during the day, I figure I'll basically completely drain the battery each night and so it'll never get fully charged through the day.
I'm thinking that for dry camping, I would hook this up each morning to the battery and charge it (watching it throughout the day on sunny days). Given a few things (like water pump) running during the day, I figure I'll basically completely drain the battery each night and so it'll never get fully charged through the day.
Charge controllers are cheap. No sense in skipping out on it.
I'm thinking that for dry camping, I would hook this up each morning to the battery and charge it (watching it throughout the day on sunny days). Given a few things (like water pump) running during the day, I figure I'll basically completely drain the battery each night and so it'll never get fully charged through the day.
I'm thinking that for dry camping, I would hook this up each morning to the battery and charge it (watching it throughout the day on sunny days). Given a few things (like water pump) running during the day, I figure I'll basically completely drain the battery each night and so it'll never get fully charged through the day.