Replacing trailer brake battery with capacitors

   / Replacing trailer brake battery with capacitors #21  
How long do the brakes stay on? My guess is they wouldn't do 15 seconds running off capacitors.
 
   / Replacing trailer brake battery with capacitors #22  
Most state laws require brakes to hold for 15 minutes. Four wheel brakes draw 12 amps. I don't think many LI packs will do that without overheating.
 
   / Replacing trailer brake battery with capacitors
  • Thread Starter
#23  
Thank you for the lively debate! I enjoy the banters greatly. I think I'll pull the battery out and put in on a maintainer. Long term I'll make a quick plug connect so it'll be just a slap it on and go.
 
   / Replacing trailer brake battery with capacitors #24  
Thank you for the lively debate! I enjoy the banters greatly. I think I'll pull the battery out and put in on a maintainer. Long term I'll make a quick plug connect so it'll be just a slap it on and go.
If you want to make it unforgettable, use a vehicle side plug to match the light plug. You will never forget to plug the battery back in that way.

Aaron Z
 
   / Replacing trailer brake battery with capacitors #25  
If you want to make it unforgettable, use a vehicle side plug to match the light plug. You will never forget to plug the battery back in that way.

Aaron Z
Ya, like that plan. Portable as needed, easy to hook up & imposible to forget.
 
   / Replacing trailer brake battery with capacitors #26  
Ya, like that plan. Portable as needed, easy to hook up & imposible to forget.
This is how we have done it for 20 years. Cheap and easy!
 

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