Budget friendly 14v battery?

[Buck 5,000+ posts]

just looking if there is a 14v battery to put under the hood to replace the stock one. say about $150 if its possible

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[SSS 18734 5,000+ posts]

http://www.partsamerica.com/productdetail.aspx?MfrCode=ATC&MfrPartNumber=652

I use one of these. Voltage stays at 12.7 volts when car is off and 14.4 when on. Has no problems running 1500 watts.