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  #1  
Old 05-01-2008, 08:25 AM
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Default Inverter battery charger

I need some advice on inverter battery chargers. They are I understand different to chargers for ordinary batteries ("intelligent" with trickle charge and some even repair the battery). How much are they in DR? and what amps do I need for an inverter battery say 70 -100 amp hours. I can get a very neat looking one in UK for around £35/2000 pesos, (80 - 260v input) but its only 5 amp and for around £70/400 peso for a 15 amp one, same voltage input.
Thanks
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Old 05-01-2008, 09:10 AM
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The inverters you buy in the DR are all Inverter/Charger combos, the flow through the transformer is reversed when there is street power so they charge the batteries themselves.

Some more advanced inverters may have a separate transformer for charging, but this is on the way high end.
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  #3  
Old 05-01-2008, 09:13 AM
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Originally Posted by les1 View Post
I need some advice on inverter battery chargers. They are I understand different to chargers for ordinary batteries ("intelligent" with trickle charge and some even repair the battery). How much are they in DR? and what amps do I need for an inverter battery say 70 -100 amp hours. I can get a very neat looking one in UK for around £35/2000 pesos, (80 - 260v input) but its only 5 amp and for around £70/400 peso for a 15 amp one, same voltage input.
Thanks
Those are toys.
Real inverters cost $500 US and more.
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Old 05-01-2008, 11:47 AM
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I don't think they are toys. One of there main uses in UK is for caravans or boats. But see for yourself Caravan and Leisure Technology - Home
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Old 05-01-2008, 01:44 PM
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Error..........
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Old 05-01-2008, 03:47 PM
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Do you sell inverters Rocky?
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Old 05-01-2008, 03:51 PM
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Quote:
Originally Posted by les1 View Post
I need some advice on inverter battery chargers. They are I understand different to chargers for ordinary batteries ("intelligent" with trickle charge and some even repair the battery). How much are they in DR? and what amps do I need for an inverter battery say 70 -100 amp hours. I can get a very neat looking one in UK for around £35/2000 pesos, (80 - 260v input) but its only 5 amp and for around £70/400 peso for a 15 amp one, same voltage input.
Thanks
If I understand your post correctly you are looking for a charger just to charge a single standalone battery. Is this correct?
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Old 05-01-2008, 04:42 PM
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Thank you , you are the first person to understand what I want. Yes I only need a charger for deep cycle batteries (inverter batteries) not a charger for car batteries. I can buy in the UK and want to compare prices. I will buy a good 12 -230v inverter in Uk (2K for around 7000 pesos). They are cheaper here, maybe supply and demand. I would appreciate good info.
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Old 05-01-2008, 04:57 PM
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Just so you know. I want to power a 230v/100w sound system and 2-3 110v light bulbs wired in series to make 110-80v per bulb. So I want 1 good battery and a charger, plus the inverter I will bring ( a 2K one in Uk weighs 6.5kilos and cost 7000 pesos. With this I can run anything I want.
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  #10  
Old 05-01-2008, 08:18 PM
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Just so you know. I want to power a 230v/100w sound system and 2-3 110v light bulbs wired in series to make 110-80v per bulb. So I want 1 good battery and a charger, plus the inverter I will bring ( a 2K one in Uk weighs 6.5kilos and cost 7000 pesos. With this I can run anything I want.
No, I don't sell inverters.
1) Three 110v light bulbs in series, would require 330 volts to light them properly.
2) Most deep cycle batteries are 6 volt, so if your converter that you want to bring runs on 12 volt, you would need 2 batteries wired in series.
3) The quantity of batteries you have, dictates the length of time you can operate your equipment without city power.
4) If you nominally operate an inverter or converter at more than half it's capacity, you will cause premature wear.
5) The size and type of charger you require, depends grreatly on how fast you need to charge the batteries, as well as how much you want to care for them.
A good charger with staged charging, will care for batteries better than one without. (Bear in mind that the AC is 110v/120v in the DR, so bringing a 220v/240v unit will not do)

Assuming that all you want to do is operate a sound system and 3 lights, then you need only put an ampmeter onto the power line, to said sound system and turn it up as loud as it can go, to calculate it's maximum consumption.
From that, you can establish the size of inverter/converter that you need.
If you use low consumption light bulbs, they might total as little as 50 watts and have little effect on the system.
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