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Stacked 18650's (two)


Thatguy

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I'm running a mod with stacked 18650's and I have to set it up as a power supply. Thus I get no voltage display (under load) . Has there been any updates that will allow me to have voltage under load displayed on the screen. (Because there is no jumper from the jst plug. ) Thanks.

20150912_192330.jpg

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It should need 3 cells for power supply (12 V) and it is far safer to set it up as 2 or 3 cell. IIRC you need to run balance wiring -ve to balance 0, between the cells to b1, +ve to b2 & b3, but check first I am just writing the wiring instructions off the top of my head and may have it the wrong way round.

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It works fine on two cells, that balance wire is the reason it won't charge, from the port, that's what I was wondering, if I could get it to charge without having that wire. Because they are stacked, I can't get that wire connected, they are in a tube essentially, but I'd like to be able to charge it thru the port.

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Yea the battery management and charging needs the balance wires, they only pull 40 mA or less so you can use very thin wire if that helps.  IIWY I would do or you don't have any over-discharge protection and I imagine that it is not limited to 133 W and I don't know if that would put it in a position to attempt to pull more current than your batteries or the fuse can handle if you try and use very high watts.

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Okay, interesting 'stacked' suggests 'series' so 1st you need to make certain you have the latest firmware, next you need to properly wire you Balance charger, lastly that your Mod is in 133W and 2S mode.

1. Wiring the 4-Pin Balancer (my guess this is your problem); see https://s3.amazonaws.com/files.websitetoolbox.com/186396/2411946 from thread from https://forum.evolvapor.com/topic/66226-topic/
2. Latest Escribe - https://forum.evolvapor.com/topic/66731-topic/
3. Settings; example from one of my Mods:
133W-DNA-200.jpg 
Load this 2S Battery Profile to get yourself started - http://www.filedropper.com/lghe22s18650

Good Luck! :)

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