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<p>The jump box doesn't have to supply cranking current, it only
needs to provide some charging current to the primary battery and
can afford to do so at a relatively low (tens of amps) current for
a minute or so. After that, the primary will have sufficient
charge to provide the cranking current.</p>
Donald.
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<div class="moz-cite-prefix">On 1/1/23 17:14, Jimmie Mayfield wrote:<br/>
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<div class="moz-cite-prefix">Which one do you have? I've looked
at a few and it seems like all of them have ridiculously
undersized wires.<br/>
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<div class="moz-cite-prefix">J</div>
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<div class="moz-cite-prefix">On 1/1/23 16:58, Doug Braun wrote:<br/>
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<blockquote type="cite" cite="mid:CAOtbU9ViXYiH-R5_XmSRhSgY=G1op6Uq+qaQw2GA11Ak-_UX4g@mail.gmail.com">
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<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">First
of all, if you have a lead-acid jump box, throw it away
and get a new lithium one. They work great and hold
their charge for a long time.</blockquote>
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<div dir="auto">Doug</div>
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