Piga1976 Posted February 8, 2019 Posted February 8, 2019 Salve,Vi chiedo un informazione sul mio ninebot one c+ con 85km totali(nuovo!); da un giorno all'altro direi, una volta collegato al trasformatore, la carica si porta ad un massimo del 60%, quindi escluderei un guasto al caricabatteria in quanto, seppur per la metà, carica.La luce sul trasformatore quando arriva al 58%-61% diventa (da rossa) a verde..ho notato sul web che risulta essere un problema non anomalo, ma non riesco ad apprende la causa che porta questo disagio...è forse una batteria compromessa o difettosa?Mi farebbe piacere un illuminazione da parte vostra.Grazie.
Chriull Posted February 8, 2019 Posted February 8, 2019 @Piga1976 - welcome! if the charger is working correctly or not can easily be checked with an voltmeter. With no load he should deliver around 15*4.2V=63V You managed to charge to 100% before? If it's not the charger, it could be bad/old/degraded batteries. Although i would have expected such a decrease to happen slowly. But maybe in a pack with very unbalanced cells the weakest ones can die quite instantly?
Piga1976 Posted February 8, 2019 Author Posted February 8, 2019 Ok 15 minutes ago, Chriull said: @Piga1976 - welcome! if the charger is working correctly or not can easily be checked with an voltmeter. With no load he should deliver around 15*4.2V=63V You managed to charge to 100% before? If it's not the charger, it could be bad/old/degraded batteries. Although i would have expected such a decrease to happen slowly. But maybe in a pack with very unbalanced cells the weakest ones can die quite instantly? Ok grazie...sta sera provvedo a misurare il voltaggio. per misurarlo serve un TESTER e le bacchette del tester le devo appoggiare sui pin ??? comunque secondo me all’interno del pacco batterie ci sono delle celle degradate...e quindi se il problema è appunto una o più celle guaste, come procedo? Apro il pacco batterie e cerco le celle rotte e le sostituisco? E poi richiudo tutto o compro un pacco nuovo? Il BMS lo posso riutilizzare una volta aperta la guaina termorestringente?
Piga1976 Posted February 8, 2019 Author Posted February 8, 2019 21 minutes ago, Chriull said: @Piga1976 - welcome! if the charger is working correctly or not can easily be checked with an voltmeter. With no load he should deliver around 15*4.2V=63V You managed to charge to 100% before? If it's not the charger, it could be bad/old/degraded batteries. Although i would have expected such a decrease to happen slowly. But maybe in a pack with very unbalanced cells the weakest ones can die quite instantly? Comunque lo ho comprato su GEARBEST e ovviamente prima di aprirlo cerco di capire se il servizio clienti può risolvere il problema...nel frattempo ti ringrazio e se vuoi spiegarmi come fare ad aggiustarlo, ne sono molto contento..so che prima o poi dovrò aprirlo.
Chriull Posted February 8, 2019 Posted February 8, 2019 @Piga1976 You should not open the wheel before you contacted gearbest. Make a nice video documentation for them - afaik they ask for such. Replacing single cells from a battery pack is in most cases not worth the effort: https://batteryuniversity.com/learn/article/how_to_repair_a_battery_pack
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