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12v battery charger? Answered

My WiFi ISP signals were unable to reach my room. So my ISP arranged a device  on top of apartment & it was powered with 12 volts DC adapter. But makes me to work offline when power is OFF. So i want to make that device to work on 12V battery. So i need to make a charger for that battery to work as UPS. Can any one help me with circuit Diagram and components list??

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user
icengBest Answer (author)2012-03-18

Hope you are up to it.   .   A

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user
rickharris (author)2012-03-19

Use a regular battery charger it saves a lot of bother.

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user
verence (author)2012-03-18

Get a standard UPS for the power line and plug the 12V DC adapter into the UPS.

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user
chinnuabhi (author)verence2012-03-18

ohhh..... But I want to make it a home made stuff....

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