my alternator > batteries in trunk?

[cbuts 10+ year member]

red top under hood and 275a singer alt, wondering how many batteries can this handle/wattage max can i run?

thinking of getting 2 140ah batts

thanks

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[keep_hope_alive Premium Member]

figure at full draw, 275A at 14V is 3850W. the batteries won't help as much with 14V but will help at 13V.