I have a 12volt battery what size solar pannel should i use and is there a limited to the amount of votage frome the solar pannel i can use.
392410
There is no simple answer. Most solar panels have a fixed 12 volt output rated in amps. People who use several batteries use a device called a controller. For off grid small batteries like yours, one solar panel should work. I se a Solar5 panel and it keeps a battery like yours charged up. For me, it is stand by power only. the 5 means it has a maximum 5 amp output in full sun. The best way is to use a controller as the other folks wrote
392411
Hey James - you can use any size solar panel as long as you use a regulator between it and your battery or battery bank. I have a 30 watt panel with a little regulator going to a set of 5 of these 35AH batteries. The panel is 20V, the regulator allows that to charge the batteries until they get up to something like 14.2 volts, then cuts off. Keeps the batteries nice and topped off and active for when we need them. I will eventually add more panels in parallel with the current one for faster charging. Here is a link to the regulator I am using: http://www.amazon.com/Sunforce-7-Amp-Charge-Controller/dp/B0006JO0XI/ref=sr_1_2?ie=UTF8&qid=1384291827&sr=8-2&keywords=solar+regulator This is the panel I am using: http://www.amazon.com/Instapark%C2%AE-Black-Mono-crystalline-Solar-Panel/dp/B004FWW44Y/ref=pd_sim_auto_2
592860
I don't use it on a boat (I use it for my solar panel) and I don't have a box to inclose the battery, so I don't know what is the best size for this battery.
1027394
Read the discription. U need 12 v pannels renology sells them. If u are changing the voltage to ac. Its really not advisable to do it at 12 volts. 24 or 48 is way better.
637232
12 volt battery would be ok. If the source is solar, be sure it really is no more than 12 volts. Many solar charging setups for 12 volt batteries could put out as much as 17 volts.
1931479
All Depend on what you are using the solar system for. I have two of these battery charging a small fish pond with total of four pumps, that not of enough battery. I have 200 watt system, use as many battery of same size as you can afford. Good Luck
1004016
On a bright day my solar panel can get to 19volts and it's connected to this Controler. Since I do not know what type or size of solar cell you have could make a difference. I would contact the manufactures of your equipment.
425232
12 volt batteries are used with the inverter.Use deep cycle batteries.You need to use several of them and depending on what you are running with the inverter the large inverter will discharge them pretty quick. I use 8 deep cycle batteries with my inverter and wish I had more. I am using the inverter with solar power. Hope this helps.
615414
I use a 20watt panel and a voltage regulator. If you have a battery,you will need a solar regulator.
671791
i dont take it off my battery ,i run a 1200 watt inverter in a 3/4 inch box with a lid which has a cut out for out lets with a dome light cig lighter and alarm with toggle switch out side has a poly rope rated for 500 pounds rolled up handles on each end off box, i run a small compressor with a 90 led watt bulb plus my 32 inch led tv and a 300 watt heater and lap top.i dont run it all day its my er travel pack. i can run it for a week full charge on my 12 volt battery charge time may be a full week for a low battery, i use a marine battery and 150 amp fuse hook up just in case. the main thing is the solar panel facing direction and elevation direction . my plan is to go off grid in next few years.leave it hooked up and leave it alone.. this is all new to me but i must say what i done works for me, good luck out there ..i own a solar book and read that it dont pay to go 100 percent off grid at my age but if your young start now if thats your dream.
1193904
Sure! The suntactics 12 can generate 2.5 Amps of current, but usually a battery pack only use 1 Amp of 2.5 available.The suntactics 14 is way more powerful than the 12 model.
1539786
way to small for use with 1000 watt inverter. i have a new motorhome with a 1000 w inverter that is connected to two group 24 deep cycle batteries. some folks use two or 4 golf cart 6 volt batteries on inverert. all depends on what you are going to run, how ofter and what your pannels can put back. ask your local solar store or rv dealer.
560722
this is a 12 volt system, the bigger the battery the longer it will last, I have a small solar panel on mine and it will run all the time.
398482
I used a 12 volt deep cycle marine battery. I had purchased this solar panel, and also an 800 watt inverter. Along with the deep cycle battery as I mentioned, I was able to run my C-Pap machine (I have sleep apnea) at Elk hunting camp for 7 days. I like the solar panel a lot!
1920938
The Sunforce 60032 is specified to handle up to 25 V input. With PWM, the max input voltage will reach the VOC of the panel between charging pulses which will exceed the 25 V max by a substantial amount and will probably destroy the regulator. As for bigger, not sure what you mean. Bigger to me means more power but you seem to be worried more about the VOC from the solar array. If you are charging 12 V nominal batteries with your array, I think you have the wrong array. I would guess that your array is designed for 24 V battery banks not 12 V. If you are using a 24 V battery bank then you need a different regulator. If you are using 12 V batteries then you need a different solar array. The Sunforce 60032 is specified to handle up to 25 V input. With PWM, the max input voltage will reach the VOC of the panel between charging pulses which will exceed the 25 V max by a substantial amount and will probably destroy the regulator. As for bigger, not sure what you mean. Bigger to me means more power but you seem to be worried more about the VOC from the solar array. If you are charging 12 V nominal batteries with your array, I think you have the wrong array. I would guess that your array is designed for 24 V battery banks not 12 V. If you are using a 24 V battery bank then you... » Read More The Sunforce 60032 is specified to handle up to 25 V input. With PWM, the max input voltage will reach the VOC of the panel between charging pulses which will exceed the 25 V max by a substantial amount and will probably destroy the regulator. As for bigger, not sure what you mean. Bigger to me means more power but you seem to be worried more about the VOC from the solar array. If you are charging 12 V nominal batteries with your array, I think you have the wrong array. I would guess that your array is designed for 24 V battery banks not 12 V. If you are using a 24 V battery bank then you need a different regulator. If you are using 12 V batteries then you need a different solar array. « Show Less
1619404
Dimensions are irrelevant. All of these batteries have the same dimensions. What is important is the voltage and amps. 12 volts and 10 amps; every battery is the same. Don't go with a different voltage or amperage. If it matches what you have it will work. The previous answer appears to be correct.
363578
I've got a 12volt everlast marine battery. Seemed a little big for my pontoon but it works just fine. Don't have a fish finder yet but depending on the size of boat your using I'm sure connecting it to the battery wouldn't hurt. That's what I plan on doing.
933676
Because the voltage is 40 volts, you need to buy a voltage controller that accepts input for 24 volt or 12 volt. and the output for the battery will be 24 or 12 volt. The voltage controller will automatically detect the input voltage of the solar panel and will automatically detect the battery voltage. I have purchased two of these items on amazon. However, One seller was in Shanghai and the other in Hong Kong. you can get 30 watt or 60 watt. Blue Solar was the name of one of them. I did get both delivered after a while.