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Gold Prospecting
Metal Detecting for Gold
GPZ Batteries 1 V 2
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<blockquote data-quote="Gold1hunter" data-source="post: 641303" data-attributes="member: 14696"><p>NiMH pretty old technology these days they don't have anywhere near the charge cycles of Lithium. NiMH don't appreciate being left flat for long periods of time - they die! </p><p>At least they don't retain a memory like those awful NiCad that they took over from. </p><p>The Minelab Lithium (like most these days) are smart batteries so would shutdown with about 20% power left (even though the guage says flat) because if they run completely flat they just won't charge from a normal charger. I wouldn't store a "flat" minelab battery for any length of time as they will drop below 20% retention & that could be a bad thing. Warranty on the lithium batteries I think (don't hold me to it) is 6 months not 3 years like the rest of the machine.</p></blockquote><p></p>
[QUOTE="Gold1hunter, post: 641303, member: 14696"] NiMH pretty old technology these days they don't have anywhere near the charge cycles of Lithium. NiMH don't appreciate being left flat for long periods of time - they die! At least they don't retain a memory like those awful NiCad that they took over from. The Minelab Lithium (like most these days) are smart batteries so would shutdown with about 20% power left (even though the guage says flat) because if they run completely flat they just won't charge from a normal charger. I wouldn't store a "flat" minelab battery for any length of time as they will drop below 20% retention & that could be a bad thing. Warranty on the lithium batteries I think (don't hold me to it) is 6 months not 3 years like the rest of the machine. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
GPZ Batteries 1 V 2
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