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Electronics & Appliances Extended use UPS/Solar Batteries?

Discussion in 'Businesses - Services - Products' started by AlwaysRt, Jul 2, 2017.

  1. Show Pony

    Show Pony DI Forum Patron Highly Rated Poster Showcase Reviewer

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    It took a while but I finally got around to buying a solar panel, battery and a voltage regulator from a motorcycle.

    This didn't take long to become a tale of 'the best laid plans of "Mice and Men'. (John Steinbeck).

    My knowledge of solar panels turns out to be a lot less than I thought. Technical details for the voltage regulator and solar panel don't seem to be readily available. The solar panel failed so I quickly surrendered having a solar charger.
    Two meters of black and red speaker wire and some 5 peso alligator clips from Bernardo's and Bob's your uncle.
    My Honda XRM 125 will charge my 12 volt 9 amp hour battery from 0% charge (11.00 volts) to 100% charge (13.00 volts in about 2.5 hours. I jammed the throttle open with a bit of wire so the bike was on a fast idle. If you need the proper connector to plug into the modem just cut off the cable from a cheap power supply. (be careful to get the correct polarity to the modem)

    The good new:
    Phil Products modem draws 295 ma (o.295 amps) so my 9 amp hour battery will allow me internet access for about 30 hours. I tested out the modem operating from the battery for 30 hours and it worked as planned.
    An ordinary motorcycle battery is about 800 pesos and would last for about 10 hours.
    For a mere 1000 pesos you can have internet all day.

    My next plan is to buy a 12 volt to USB adaptor so I can charge my phone during a brownout. On a side note; it will take about 1.0-1.5 amp hours out of the battery to charge a flat cellphone.
     
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  2. jimeve

    jimeve DI Forum Luminary Highly Rated Poster Showcase Reviewer Veteran Army

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    So how long will a> 120 amp hour flooded deep cycle will last? hooked up to a PLDT modem? A month.
    I use an inverter to hookup my modem, I can then can use 220v appliances, Fans, TV etc.
     
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  3. charlyB

    charlyB DI Senior Member

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    Can anyone recommend where to buy a UPS system here in Dumaguete that would last long enough to get through an all day power cut ?
    I have been looking for one online but can't find one with a long run time.
     
  4. Senjenbing

    Senjenbing DI Forum Adept Veteran Marines Navy

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    The run time depends on the amount of power being drawn from the unit and the unit capacity. What are you wanting to run all day?
     
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  5. charlyB

    charlyB DI Senior Member

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    No A/C, 1 fan, 2 fridges, water dispenser/cooler, laptop, router, tv, occasional use of microwave, kettle, rice cooker and toaster.
     
  6. jimeve

    jimeve DI Forum Luminary Highly Rated Poster Showcase Reviewer Veteran Army

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    How many watts are your appliances? You need to find how many watts are the appliances and add them up. If you don't use the high wattage appliances, microwave, Kettle, rice cooker and toaster, it will make a considerable difference. And what about hot showers? they use a lot of power.
     
  7. charlyB

    charlyB DI Senior Member

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    I don't have a water heater, i am not a wimp :biggrin:
     
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  8. Dutchie

    Dutchie DI Senior Member Showcase Reviewer Veteran Army

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    The easiest way to go about it may be to check your Noreco bill and look for the amount of kwh used in a month.
    An example would be 450 kwh in an average month, of which around 150 kwh attributed to air con.
    In that example, you'd be using around 10 kwh in a day excluding aircon, or around 45 Ah (10x1000/220).
    This link is for a power station that may suit you if my example is realistic for your needs.
    However, any solution that makes sense financially (cheap enough) will still not allow you to run everything at the same time.
     
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  9. kelpguy

    kelpguy DI Senior Member

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    another option for brown-out days is to use the battery in an e-vehicle; i have a 60volt e-trike that runs the my typical house electric demands including the fridge, no sweat.

    i have a 12v inverter (dc in - ac out) so i have to reduce the voltage to 12v with a stepdown transformer but 60v to 12v inverters are available. same for 36v and 48v batteries.

    a person could also use a car or motor cycle battery with a 12 volt inverter to run a fan or two and pc.
    --------------------------------------
    one a side note;
    i have, for sale, a shopee seller shipped me the wrong item, 32v Pure Sine Wave Inverter, that i couldn't return. (long short story but i lost the dipute)
    it's never been put into service.
    delivered price was ₱2300, i'll sell for ₱1,200.

    https://tinyurl.com/25s4ykld.

    i check the forum everyday so post here if your interested and i'll pmail you.
     
  10. ShawnM

    ShawnM Living the dream, Plan B ★ No Ads ★ Highly Rated Poster Showcase Reviewer Blood Donor Veteran Air Force

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