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Autonomous charging station for Spark
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<blockquote data-quote="Locutus40" data-source="post: 89755" data-attributes="member: 13216"><p>the problem i dont like with spark batts and dji batts is they let the internal bms charge the batts its been proven the bms on most boards dont fully charge batts and are poor at ballancing.. this is why hobby chargers are best but the spark only provides power in.. all a battery needs is 13.8 volts and the battery does the charging thats why if you see one put on a hobby charger its just giving it voltage its not ballancing or doing anything to it... and the 2 other ports on the top connector are for feedback ie temp and status there not for ballancing on any charger so these over priced chargers you see that claim all this crap is a lie you tear them down and see tonsssss of electronics again a lie to justify the cost.. a spark the 4 pins 2 arent even connected and the other ones are positive and negative lol so all you need is a brick power supply with some pins and supply 13.2 to 13.8 volts and thats it... you can make one outta a lab power supply and or a computer power supply with a step down etc..... i think someone did on here for like 5 bucks he bought a 10 amp step up converter and just 3d printed a holder and voila done...</p></blockquote><p></p>
[QUOTE="Locutus40, post: 89755, member: 13216"] the problem i dont like with spark batts and dji batts is they let the internal bms charge the batts its been proven the bms on most boards dont fully charge batts and are poor at ballancing.. this is why hobby chargers are best but the spark only provides power in.. all a battery needs is 13.8 volts and the battery does the charging thats why if you see one put on a hobby charger its just giving it voltage its not ballancing or doing anything to it... and the 2 other ports on the top connector are for feedback ie temp and status there not for ballancing on any charger so these over priced chargers you see that claim all this crap is a lie you tear them down and see tonsssss of electronics again a lie to justify the cost.. a spark the 4 pins 2 arent even connected and the other ones are positive and negative lol so all you need is a brick power supply with some pins and supply 13.2 to 13.8 volts and thats it... you can make one outta a lab power supply and or a computer power supply with a step down etc..... i think someone did on here for like 5 bucks he bought a 10 amp step up converter and just 3d printed a holder and voila done... [/QUOTE]
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Autonomous charging station for Spark