Solar+Batteries for cameras




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  1. #1
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    Default Solar+Batteries for cameras

    Hi, help.

    What size solar panel + battery + (inverter?) would I need to power this below for say 5 days?

    LTE Modem - 5v 2A
    DVR - 12v 1.5A (Says max 16w)
    Camera PSU (runs two cameras) 12v 5A

    We are busy planning a camera network for our area, just playing ideas (and costs) to see if each site could be solar powered.
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  2. #2
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    Default Re: Solar+Batteries for cameras

    Suscribed....Fluffy & Eggie come in! (in no order of preference on these to agree to disagree gents)

  3. #3
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    Default Re: Solar+Batteries for cameras

    Quote Originally Posted by Dirk View Post
    Hi, help.

    What size solar panel + battery + (inverter?) would I need to power this below for say 5 days?

    LTE Modem - 5v 2A
    DVR - 12v 1.5A (Says max 16w)
    Camera PSU (runs two cameras) 12v 5A

    We are busy planning a camera network for our area, just playing ideas (and costs) to see if each site could be solar powered.
    With no 220V nearby in a remote system and using the figures given, I work it out to a minimum of 400W of solar with a 50A MPPT controller and you would need a minimum of 3 x 100Ah deep cycle type batteries that will discharge to around 50% daily. This is an absolute minimum and does not allow for any cloud and other funnies.

    That said, it would be prudent to install double the above to allow some leeway for rainy days, and to be able to run the system for long/indefinite periods.

    I suspect that the 2 analog security cameras will use less than the quoted 5A @ 12V, but I do not have a value in my head. Can get it though.

    Will IR (night vision) be a requirement?
    Will the cameras only record when movement is detected?
    These factors will also play some role in consumption calculations.

    A PSU is probably not needed as the solar/battery system already takes care of that.
    A small device for dropping 12V to suit the 5V LTE modem might be needed.
    Eggie.

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  4. #4
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    Default Re: Solar+Batteries for cameras

    Way more than I thought essentially then the power requirement cost for solar will exceed the cost of the cameras and DVR, have to revert to existing plan to use 220v.

    Thank you!
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  5. #5
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    Default Re: Solar+Batteries for cameras

    Quote Originally Posted by Dirk View Post
    Hi, help.

    What size solar panel + battery + (inverter?) would I need to power this below for say 5 days?

    LTE Modem - 5v 2A
    DVR - 12v 1.5A (Says max 16w)
    Camera PSU (runs two cameras) 12v 5A

    We are busy planning a camera network for our area, just playing ideas (and costs) to see if each site could be solar powered.
    Simply selecting the right components will easily see you getting away with a 80W panel and a single 100AH class battery.

    I strongly suspect this may even be the case with the equipment you have specked above. The figures quoted are absolute Max inrush or surge values for safety reasons, not average consumption of the consumers.

    Take the modem for instance. A LTE modem WITH a power hungry WIFI router can run for hours off a single tiny 3.7V internal battery. If it actually drew 10W it would be so hot it would melt.

    Perhaps if you either post or PM me the actual equipment model numbers or manuals I can do a proper power budget for you.
    Last edited by Fluffy; 2017/03/20 at 10:15 AM.
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  6. #6
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    Default Re: Solar+Batteries for cameras

    Please post your findings here.
    That way other folks can also learn.

    The info I was able to get for DVR's and cameras is that they will each draw a thumb suck typical 1,6A. That leaves you with 3 x 1,6A for the cameras + recorder.
    Eggie.

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  7. #7
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    Default Re: Solar+Batteries for cameras

    Quote Originally Posted by Fluffy View Post
    Simply selecting the right components will easily see you getting away with a 80W panel and a single 100AH class battery.

    I strongly suspect this may even be the case with the equipment you have specked above. The figures quoted are absolute Max inrush or surge values for safety reasons, not average consumption of the consumers.

    Take the modem for instance. A LTE modem WITH a power hungry WIFI router can run for hours off a single tiny 3.7V internal battery. If it actually drew 10W it would be so hot it would melt.

    Perhaps if you either post or PM me the actual equipment model numbers or manuals I can do a proper power budget for you.

    Thank you, will do that. one battery and panel will make this feasible.
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  8. #8
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    Default Re: Solar+Batteries for cameras

    Just my 2cents
    I'm currently running a DVR + 7 Analog cameras and DSL router from my solar setup.
    • 300W 24v solar pannel
    • 2x 105ah batteries setup to 24v
    • 40amp cheap chinese charge controller.

    From the charge controller I've connected a stepdown to 12.5v to power the cameras, DVR and DSL router. The load is at 2.7 - 3amps. During the day the batteries are fully charged at 27v (13.5v each) and the next morning it's at about 24v
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  9. #9
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    Default Re: Solar+Batteries for cameras

    Quote Originally Posted by Christianv View Post
    Just my 2cents
    I'm currently running a DVR + 7 Analog cameras and DSL router from my solar setup.
    • 300W 24v solar pannel
    • 2x 105ah batteries setup to 24v
    • 40amp cheap chinese charge controller.

    From the charge controller I've connected a stepdown to 12.5v to power the cameras, DVR and DSL router. The load is at 2.7 - 3amps. During the day the batteries are fully charged at 27v (13.5v each) and the next morning it's at about 24v
    Thanks this almost mirror what we will be doing, but initially only 2 cameras per site. Need to do some costings. Several locations where we will be installing cameras power is no problem, but there are also several locations where power is a problem to get to.
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  10. #10
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    Default Re: Solar+Batteries for cameras

    5A 12v psu for 2x cameras is overkill, should get away with 1A. A Hikvision entry level HD camera with 20m IR uses 4W max, thats 0.33 Amp. If you have a camera with major IR then it will obviously pull more.

    But agree to try and use batteries directly instead of inverter.

  11. #11
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    Default Re: Solar+Batteries for cameras

    I agree with Fluffy, the make & model of all equipment is required to do a design. Five days required standby may be slightly over the top and may cause an over-spec of the system. That is unless the site is known for totally overcast conditions lasting for 5 days frequently.

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  12. #12
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    Default Re: Solar+Batteries for cameras

    Any feedback on how this proposed installation panned out?
    Eggie.

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  13. #13
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    Default Re: Solar+Batteries for cameras

    We still busy, but we have changed camera specs to exclude the dvr so power requirements now reduced.
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  14. #14
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    Default Re: Solar+Batteries for cameras

    Quote Originally Posted by Fluffy View Post
    Simply selecting the right components will easily see you getting away with a 80W panel and a single 100AH class battery.

    I strongly suspect this may even be the case with the equipment you have specked above. The figures quoted are absolute Max inrush or surge values for safety reasons, not average consumption of the consumers.

    Take the modem for instance. A LTE modem WITH a power hungry WIFI router can run for hours off a single tiny 3.7V internal battery. If it actually drew 10W it would be so hot it would melt.

    Perhaps if you either post or PM me the actual equipment model numbers or manuals I can do a proper power budget for you.
    I've seen LTE router run at 2A when the signal is very weak, generally 3G or lower.

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