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alanito2017

Charging Optima Blue Tops - AGM 1 or AGM 2?

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I bought a used motorhome that has new Optima Blue Tops for the house. Do I set the Magnum charger batter type as AGM 1 or AGM 2?  What is the difference between the 2 types of charger settings?

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In my manual it states:

Quote

Battery Type (GEL, Flooded, AGM1, or AGM2) – When the battery
type selection is GEL (for Gel batteries), Flooded (for liquid lead acid
batteries), AGM1 (for Lifeline AGM batteries), or AGM2 (for East Penn/
Deka/Discover/Trojan AGM batteries), the charge voltage level for the
Absorption, Float, and EQ Charge modes are fi xed and shown in Table
3-1—depending on the battery type selected and the nominal inverter
battery voltage.

I would call Magnum to find out what you should set it to.

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Another option is to copy the charging voltages for each step (bulk, absorption and float) and call you battery manufacturer to see which one is a closer fit to their charging algorithms.

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