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Metal Detectors
Minelab
Minelab SD2100 tips, settings, questions
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<blockquote data-quote="mbasko" data-source="post: 497292" data-attributes="member: 4485"><p>I've made my own 7.4v battery packs up but I stuck to Li ion cells as I already had some + chargers to suit etc. If I was going to do it again & start from scratch I'd definitely be looking at Lipo.</p><p>I have used a Lipo pack before but it was part of a purchased battery & wireless audio system.</p><p></p><p>Seen plenty of examples of people using lipo packs but mainly with the 7.4v on the GPX or QED which can both handle the max voltage of 8.4v & also both have inbuilt low voltage shutdown so no need for voltage regulators or LVC's. </p><p>Seeing as though you'll need to put in a regulator an 11.1v Lipo may be better as per old hand above? With a high voltage of 12.6v & low of 9v it would allow a constant/stable voltage to the detector of what you set (7.3v) for the full discharge life of the battery using a step down regulator? With the 7.4v battery with a high of 8.4v & low of 6v you would need a step up/step down regulator to maintain the output of 7.3v.</p></blockquote><p></p>
[QUOTE="mbasko, post: 497292, member: 4485"] I've made my own 7.4v battery packs up but I stuck to Li ion cells as I already had some + chargers to suit etc. If I was going to do it again & start from scratch I'd definitely be looking at Lipo. I have used a Lipo pack before but it was part of a purchased battery & wireless audio system. Seen plenty of examples of people using lipo packs but mainly with the 7.4v on the GPX or QED which can both handle the max voltage of 8.4v & also both have inbuilt low voltage shutdown so no need for voltage regulators or LVC's. Seeing as though you'll need to put in a regulator an 11.1v Lipo may be better as per old hand above? With a high voltage of 12.6v & low of 9v it would allow a constant/stable voltage to the detector of what you set (7.3v) for the full discharge life of the battery using a step down regulator? With the 7.4v battery with a high of 8.4v & low of 6v you would need a step up/step down regulator to maintain the output of 7.3v. [/QUOTE]
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Metal Detectors
Minelab
Minelab SD2100 tips, settings, questions
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