http://www.batterybackupguide.com/blog/any-boffins-know-of-a-simple-battery-back-up-availablethat-i-can-use-for-a-marine-aquarium/ Thu, 17 May 2012 20:58:57 +0000 http://wordpress.org/?v=2.7 hourly 1 http://www.batterybackupguide.com/blog/any-boffins-know-of-a-simple-battery-back-up-availablethat-i-can-use-for-a-marine-aquarium/comment-page-1/#comment-2251 firthmuir Sat, 03 Oct 2009 01:39:06 +0000 http://www.batterybackupguide.com/blog/any-boffins-know-of-a-simple-battery-back-up-availablethat-i-can-use-for-a-marine-aquarium/#comment-2251 get a 12 or 24 volt inverter ( changes 12 or 24 volts dc to 240 volts ac ) a little bit bigger a wattage than you need. one or two 12 volt car battery's. ( for 24 volts take the negative from the first battery and connect to inverter negative , then take the positive and connect to the negative of the second battery, the positive from second battery to the positive of the inverter ) and to keep things simple , rather than working a "contactor" to switch between the mains power and battery power, buy a battery charger designed to keep battery's " topped up " with out overcharging. rather than go to local car accessory shop etc. look up yellow pages for an auto electrician in your area. tell him what you are doing with the stuff , he / she will give (at a price ) the stuff and the spec. you need. as well as advice on how to set every thing up<a href="http://www.stpaulhouseforsale.com/"> firthmuir</a> get a 12 or 24 volt inverter ( changes 12 or 24 volts dc to 240 volts ac ) a little bit bigger a wattage than you need. one or two 12 volt car battery’s. ( for 24 volts take the negative from the first battery and connect to inverter negative , then take the positive and connect to the negative of the second battery, the positive from second battery to the positive of the inverter ) and to keep things simple , rather than working a “contactor” to switch between the mains power and battery power, buy a battery charger designed to keep battery’s ” topped up ” with out overcharging. rather than go to local car accessory shop etc. look up yellow pages for an auto electrician in your area. tell him what you are doing with the stuff , he / she will give (at a price ) the stuff and the spec. you need. as well as advice on how to set every thing up firthmuir

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