Over 60 volt loom

[Steven Brandt]

I plan on using a 72 volt battery with the ASI BAC 800. Where can I get the additional wire loom that allows you to use the Eggrider over 60 volts. Or how would I make it?

[George Banea]

Hi Steve,

Do you already have connected the EggRider to a battery with a voltage lower than 60?

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[Steven Brandt]

Yes, it connected to a 48 volt battery.

[George Banea]

Ok, the way to do it is to connect pin 21 and 22 to an external switch.

Connect P+ from EggRider to pin 13 on ASI, leave Power Lock from EggRider free.

Do this before connecting the bigger battery, if this works then you can switch to the 72v.

Please, be very careful wrong connections can damage the display and controller.

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[Steven Brandt]

I got the ASI BAC 800 from ERT, and Alan had already created a universal profile that can handle 36v-72v. Would I still need an external switch for pin 21 and 22?

[George Banea]

I am not aware of how that works, but in that case, I would say to contact ERT.

[Steven Brandt]

Alan from ERT is not responding. Could I used a buck converter to convert 90v to 48v with 10A 480W max?

https://www.aliexpress.com/item/4000303128072.html?spm=a2g0o.productlist.0.0.65484b36QOt6dA&algo_pvid=50d98683-c9c7-4967-ac91-feb639237862&algo_expid=50d98683-c9c7-4967-ac91-feb639237862-20&btsid=7ea7c4b2-80a2-408f-a539-e825319dd88a&ws_ab_test=searchweb0_0,searchweb201602_4,searchweb201603_53

[Enduro eBike Addict]

Ok, here is what you need to do, get a Bafang 5 pins display extension, strip about 2 inches of the outer insulation in the middle, and cut the P+ wire, this is the center pin, usually the brown wire, and solder a 500 ohm 10W to 20W resistor in between the cut wires. This is what ERT is using for the 60+ Eggrider adapter. DO NOT CONNECT IT TO PIN 13 of the ASI Controller, this 12V pin is only rated for 90mA Max as specified on their product sheet here: https://docs.google.com/viewer?url=https%3A%2F%2Fsupport.accelerated-systems.com%2Fwp-content%2Fuploads%2F2019%2F09%2FController-LP-Spec-ASI-Conf.-V1.0-3pg.pdf&pdf=true Doing So could brick your ASI CONTROLLER. You could also use the DC to DC Step-Down Converter you mentioned above. The ground wires are connected together on that converter, so not a problem.

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Bafang display connector pinouts can be found here:

https://electricbike.com/forum/forum/knowledge-base/motors-and-kits/bbshd/26907-bbshd-and-bbs02-wiring-pinout

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Cheers

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[Steven Brandt]

Thank you!!!

[Spiro R]

George, could you kindly explain to me what I need to do on a 35amp controller.? Or, is there any chance of emailing me a diagram of what to connect together. From which display to controller side please. I'm getting E07 with my new battery. An idiot proof guide would be great. Hoping to hear from you.

Thanks in advance

Spiro

[George Banea]

Hi Spiro, is this for the bafang controller? I added the bafang error code to the user manual

https://manual.eggrider.com/ebike_settings/bafang/overview/#bafang-error-codes

[George Banea]

Please read the user manual. I added information on how to connect https://manual.eggrider.com/ebike_settings/asi/#necessary-pinout-setup-for-batteries-over-60v

[danny neumann]

@Enduro eBike Addict , so just put a 500 Ohm resistance between the wires? Is 500 ohms not to much?

I dont know how many amps are on this connection.

Regards from germany ✌️

[Thomas Bronson]

@George Banea Sorry to revive such an old thread, but I am wondering how beefy a switch I will need to connect pins 21 and 22. What kind of current will it need to handle when shorting Key Out/P+ to Key In/Power Lock (on just a 48V battery)?