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Tech Head - The Technology Section
The Work Bench and Soldering Station
NiCd batteries - refurbishment ?
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<blockquote data-quote="Tururu" data-source="post: 1024875" data-attributes="member: 227656"><p>The NI-CD with liquid electrolyte can be recovered and serviced for a few years, changing the electrolyte, but the normal ones do not.</p><p>They create "beards" between the electrodes that are shorted when the voltage drops.</p><p></p><p>One trick I use for electric bike batteries,<span style="color: #ff0000"><strong> is to give a discharge to each inverted cell polarity, to destroy those "beards", eye that overheats of noses, careful with the load</strong></span>, with 2 packs of these bad batteries, you take one Operating, almost 80% load.</p><p>--------</p><p>Las de NI-CD con electrolito liquido se pueden recuperar y dar servicio unos cuantos años, cambiando el electrolito, pero las normales no.</p><p>Crean "barbas" entre los electrodos que se ponen en corto al bajar la tension.</p><p></p><p>Un truco que uso para baterias de bici electricas, <span style="color: #ff0000"><strong>es dar una descarga a cada celula invertida la polaridad, para destruir esas "barbas", ojo que se recalienta de narices, cuidado con la carga</strong></span>, con 3 paquetes de estas pilas mal, sacas uno operativo, casi al 80% de carga y otro al 50%.</p><p></p><p>These are from 24V 9-10AH. Nothing cheap, what prices./estas son de 24V 9-10AH. De baratas nada, que precios. (20 unit.).</p><p><a href="http://www.ebay.es/itm/Akku-f%C3%BCr-Yamaha-Kynast-Sparta-Fahrrad-Akkus-24V-10AH/111100098662?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649" target="_blank">Akku für Yamaha Kynast Sparta Fahrrad Akkus 24V 10AH | eBay</a></p></blockquote><p></p>
[QUOTE="Tururu, post: 1024875, member: 227656"] The NI-CD with liquid electrolyte can be recovered and serviced for a few years, changing the electrolyte, but the normal ones do not. They create "beards" between the electrodes that are shorted when the voltage drops. One trick I use for electric bike batteries,[COLOR=#ff0000][B] is to give a discharge to each inverted cell polarity, to destroy those "beards", eye that overheats of noses, careful with the load[/B][/COLOR], with 2 packs of these bad batteries, you take one Operating, almost 80% load. -------- Las de NI-CD con electrolito liquido se pueden recuperar y dar servicio unos cuantos años, cambiando el electrolito, pero las normales no. Crean "barbas" entre los electrodos que se ponen en corto al bajar la tension. Un truco que uso para baterias de bici electricas, [COLOR=#ff0000][B]es dar una descarga a cada celula invertida la polaridad, para destruir esas "barbas", ojo que se recalienta de narices, cuidado con la carga[/B][/COLOR], con 3 paquetes de estas pilas mal, sacas uno operativo, casi al 80% de carga y otro al 50%. These are from 24V 9-10AH. Nothing cheap, what prices./estas son de 24V 9-10AH. De baratas nada, que precios. (20 unit.). [URL='http://www.ebay.es/itm/Akku-f%C3%BCr-Yamaha-Kynast-Sparta-Fahrrad-Akkus-24V-10AH/111100098662?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649']Akku für Yamaha Kynast Sparta Fahrrad Akkus 24V 10AH | eBay[/URL] [/QUOTE]
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NiCd batteries - refurbishment ?
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