How To Choose the Correct Size Charge Converter for Trailer When Switching To Lithium Batteries

Updated 08/05/2020 | Published 08/04/2020

Question:

I currently have 2 group 27 lead acid batteries on my trailer thats 50amp. I would like to replace them with the lithium equivalent. I understand I need to switch out the converter also. Which amount converter should I be looking out. 30?45?60?

asked by: Vincent L

Expert Reply:

I don't have a fool proof way of selecting the proper charge converter amperage rating because it is not based solely off the battery capacity but rather this combined with the load the trailer uses. Therefore, the best option would be to go with the same amperage the trailer came with, part # PD9130LV for 30 amps, part # PD9140ALV for 40 amps, part # PD9145ALV for 45 amps, part # PD9160ALV for 60 amps, or part # PD9180ALV for 80 amps. These are all rated for lithium batteries. If you have a 50 amp now I recommend the 60 amp part # PD9160ALV .

expert reply by: Conner L