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Outdoor & Recreation
Campers, Vans & 4WD's
Aux battery charging from 12V cig socket
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<blockquote data-quote="condor22" data-source="post: 300792" data-attributes="member: 1932"><p>That's a good result from them <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>mmm, When my solenoid is connected when driving it provides power to the Redarc charger which in turn charges my auxiliary. So in effect all is connected in a manner of speaking.</p><p></p><p>But, the BMPRO is fitted to my AGM Aux only not to the start battery. Although the - negative earth is the same, the + line is through the Redarc and not connected directly to the aux. </p><p></p><p>Therefore the BMPRO is only measuring input/output at the AGM.</p><p></p><p>If an aux battery is in parallel with the start battery and charged via the alternator, a BMPRO will see it as a bank as the + and - negative lines are linked. But would only measure the loads for the items connected to the negative end of the PRO.</p><p></p><p>I personally prefer to keep the batteries totally independent particularly with AGM auxiliaries as the charging requirements don't suit alternators and I wouldn't put one under the hood. Fortunately my 4x4 doesn't have space for an under bonnet anyway <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="condor22, post: 300792, member: 1932"] That's a good result from them :) mmm, When my solenoid is connected when driving it provides power to the Redarc charger which in turn charges my auxiliary. So in effect all is connected in a manner of speaking. But, the BMPRO is fitted to my AGM Aux only not to the start battery. Although the - negative earth is the same, the + line is through the Redarc and not connected directly to the aux. Therefore the BMPRO is only measuring input/output at the AGM. If an aux battery is in parallel with the start battery and charged via the alternator, a BMPRO will see it as a bank as the + and - negative lines are linked. But would only measure the loads for the items connected to the negative end of the PRO. I personally prefer to keep the batteries totally independent particularly with AGM auxiliaries as the charging requirements don't suit alternators and I wouldn't put one under the hood. Fortunately my 4x4 doesn't have space for an under bonnet anyway :) [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
Aux battery charging from 12V cig socket
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