Yes, the Adco Olefin HD RV Cover for Travel Trailers up to 37' # AD39ZR is a confirmed fit for your 2018 Highland Ridge Open Range Light Travel Trailer LT308BHS. This comes with integrated straps and ropes to further secure the cover to your trailer for a custom fit so you don't have a lot of extra material billowing out in the wind.
Attached is a review video for you to check out. view full answer...
You will need a different converter charger if you are going to lithium batteries, which is what I believe you are asking. The right one will depend on how many amp hours you need though, like the 100 amp-hour # 34282738. I have added a link below to our selection of lithium batteries as well as a solar calculator which will help you determine how many amp hours you need if you are unsure.
Then for a lithium converter charger we have the Progressive Dynamics 9300 Series RV Converter Charger... view full answer...
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