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Tdi Pro 5 x 18650 high voltage battery build.
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<blockquote data-quote="karelian65" data-source="post: 600730" data-attributes="member: 9224"><p>Runtime is roughly 4 hours if starting with a fully charged pack at 21.5 volts. I charge to 20 volts and get just over three hours.. ok not fantastic but it is what it is..</p><p></p><p>Started today at 19.53 volts, an hour later it was 18.47 volts. Add another hour and it was 17.74 volts, hour later 16.76 volts and twenty minutes later the pcb shut the machine off at 15.97 volts. The PCB is set to turn off at 16 volts to protect the cells from over discharge, a good thing in my book. You can see why another spare battery is a good idea.. I ran the machine with the speaker on, no headphones. Headphones will buy you extra time as will fully charging the battery pack to the maximum 21.5 volts.</p><p>More to follow. All the best.</p></blockquote><p></p>
[QUOTE="karelian65, post: 600730, member: 9224"] Runtime is roughly 4 hours if starting with a fully charged pack at 21.5 volts. I charge to 20 volts and get just over three hours.. ok not fantastic but it is what it is.. Started today at 19.53 volts, an hour later it was 18.47 volts. Add another hour and it was 17.74 volts, hour later 16.76 volts and twenty minutes later the pcb shut the machine off at 15.97 volts. The PCB is set to turn off at 16 volts to protect the cells from over discharge, a good thing in my book. You can see why another spare battery is a good idea.. I ran the machine with the speaker on, no headphones. Headphones will buy you extra time as will fully charging the battery pack to the maximum 21.5 volts. More to follow. All the best. [/QUOTE]
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Metal Detectors
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Tdi Pro 5 x 18650 high voltage battery build.
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