RV Battery Charger / Maintainer, Does the Harbor Freight Viking work?

Harbor Freight battery charger / maintainer: https://www.harborfreight.com/4-amp-f... We have been using the Harbor Freight Viking battery charger for about 3 years on the Box Truck Camper and we can say it works well. We’ve never had any problems and the battery has always been ready when we’re ready to go on a camping trip. Commission earned on the ones below: Battery Studs: https://amzn.to/4lkUSnt 3m Double sided tape: https://amzn.to/3U1UZbE Inlet plug: https://amzn.to/4ktSbPm The Harbor Freight Viking battery charger / maintainer is a great way to make sure your batteries are always ready to go. No more dead batteries in your vehicles when you need to drive them somewhere. I've been using these in the camper and my van for about 3 years now and haven't had any problems in either one of them. I would highly suggest them for your set up. Check out more of our video here:    • All Videos   Welcome to Camping with the Brewsters. This YouTube channel is dedicated to our camping and hiking trips. We try to camp somewhere new every month, and hike new trails as much as possible. We want to share our adventures so that you can make choices based on the reviews of whether you want to go there or not. We are a family friendly channel, there will be no foul language or inappropriate pictures or videos on the channels, nor will we allow comments with foul language stay. We hope this channel can be an enjoyment for families to watch with their kids without worries of anything inappropriate that the kids shouldn't see or hear. We want this channel to be fun and educational! #Hiking #Camping #Campinglife #Hikinglife #campervan #harborfreight