On/Off Switch

[RickR]

There could be arcing inside a switch rated for a lower voltage than you are using it for. Arcing occurs when there is enough of a voltage difference to overcome the impedance of the air separating the contacts. If that is the case, the switch contacts could eventually fuse (weld together) or could have contact pitting and wear.

Excellent.

 

[RickR]

Power (volts times amps) is causing the spark, not the rating of a switch or connector. The switch or connector should be rated at or above the voltage and amperage of what is running through it. Another consideration is AC rating versus DC rating. Do not assume that they are the same. If a connector or switch is rated below the voltage you need, it can cause arcing. If it is rated under the current capacity that you need, it can cause heating of the device. Either of these conditions can cause a fire.

Excellent.

change to 90s.

View attachment 204308

Thanks ,I found an XT90 Male anti spark to XT60 female no wire. Does the XT90 female I will then buy need to be a anti spark also or is it setup the just one male or female is anti spark

RCP Adapters (1) XT90 Female Anti Spark to XT60 Male No Wire Adapter​

RCP Adapters (1) XT90 Female Anti Spark to XT60 Male No Wire Adapter​

RCP Adapters (1) XT90 Female Anti Spark to XT60 Male No Wire Adapter​

 

[RunForTheHills]

No. I believe they only make the female in anti-spark. So note that the adapter you found is a gender bender as well as anti-spark. You will need to change the gender of the other connection as well.

 

[RunForTheHills]

I would get the XT90 pigtails, cut off the XT60 connectors and splice in the pigtails. If you are not comfortable soldering the pigtails, you can buy butt connectors and crimp them.
https://www.amazon.com/Connectors-I...1-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1

https://www.amazon.com/XT-90S-Conne...8-2-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1

 

[RickR]

No. I believe they only make the female in anti-spark. So note that the adapter you found is a gender bender as well as anti-spark. You will need to change the gender of the other connection as well.

Thanks So I do not need to solder I got below Items


RCP Adapters (1) XT90 Female Anti Spark to XT60 Male No Wire Adapter

Price:​ ​	$5.89​
Item ID:​ ​	127493480577​
Order number:​ ​
Seller:​ ​	radio_control_power Radio Control Power LLC AZ United States​

eBay Money Back Guarantee
RCP Adapters (1) XT60 FEMALE TO XT90 MALE BATTERY NO WIRE ADAPTER

Price:​ ​	$4.79​
Item ID:​ ​	127485486153​
Order number:​ ​	​
Seller:​ ​	radio_control_power Radio Control Power LLC AZ United States​

 

[Chargeride]

I have to add, Ive used a standard XT90 as a battery backpack disconnector for years and pulled the plug and reconnected hundreds of times, maybe thousands and it was perfectly fine.
Nice spark crack every time.

 

[RickR]

My first battery setup Was a Switch bike battery. It came with a. XT30. Male Connecting to the battery that had a hardened plastic female receptor On the battery case. Overtime with continuous sparking the plastic on the battery case. Started to fragment. and the male receptor. Would not stay attached. I was due for a battery update anyway, so I've gotten a new battery with an XT60 connection. Rather than take any chances. On melting the XT 60s I. Plan to have the anti spark plug XT90. The switch bike battery system. Did come with a on and off switch which was very hard to get to and I never used. I imagine that is why they had the switch, because of the sparking issue.
The other safety feature that the switch setup came with was 2. Car Battery style fuses One on the red line, one on the black line. I wonder if this is a good safety feature. Does anyone have any comments to the need for fuses on the lines?

 

[RunForTheHills]

The BMS in the battery should shut it down if there is a short so you shouldn't need fuses. Car fuses don't normally have the correct voltage rating for ebikes anyway.