![]() ![]() The Following Is A List Of Inexpensive Battery Monitors That Will Function And Are Better Than Nothing: Our guidelines are based on technical study and personal experience, including constructing our van on a shoestring budget and now living in it full-time. We provide background and how-to information so that you may make an educated purchasing choice. We’ll also recommend some of our top battery monitors for various budgets. We’ll go over what a battery monitor does, if you need one, and what to look for when comparing battery monitors in this article. It also has a good chance of extending the life of your batteries. Not in the sense that solar panels and cabling are required.Ī battery monitor, particularly a good one, makes it easy to comprehend and track how you’re utilizing your battery power. Plus, knowing how many watts of solar electricity are pouring in or how much current our coffee maker is consuming gives us a thrill! The battery monitor in a solar electrical system for a camper van conversion or RV may help you run the system safely. If you utilize our links, please know that we appreciate it! We hope you like the goods we suggest! Just so you know, we may get a commission or other revenue if you click on one of the links on this page. I recall reading on the T4 forums about a guy with a similar issue (brand new AGM, light loads).Installing a Battery Monitor for Solar in a Camper Van or RV I think the leisure is even staying at a higher voltage than the starter since there is a 2amp drain with the engine off and VSR still engaged! To my mind the leisure is sitting at a higher voltage than the starter after the engine is switched off, causing a flow to the starter. Aka its staying higher than the cutoff voltage of 12.8 so the VSR stays on for a good hour. ![]() Question: the VSR takes a long time to click off, is this okay? It seems the leisure battery is taking a while to drop back down to resting voltage. I'm not sure what this means about the state of my leisure battery really. Then all negatives from B- end of the shunt to battery.ġ0 amps coming in. Negative from chassis comes up behind handbrake and in to P- on shunt, along with negative bus bar from fuse holder. I am now seeing the alternator charge on the monitor, around 10 amps in to the leisure battery when the engine is running.Įxcuse the messy wiring. Got around to rewiring today, some pics below for anyone interested. Thanks both for the help and confirming my suspicions. Many thanks again for helping a fool out, Is this what I have neglected, that my VSR circuit negative should also be routed through the P- pole of the shunt so the monitor can "see" the charge?Īnyone able to help me here? I think I've realised my mistake, but I don't want or need the monitor to show me anything other than charge to and from leisure battery, If I send a cable from the P- pole to the chassis, to complete the VSR circuit through the shunt, am I at risk of causing any other problems? Surely, this means the monitor has no way of "seeing" the charge from the alternator?Ī closer look at the instructions for the monitor shows C- (charge) on the P- end of the shunt also. But then I added the monitor in series from the leisure negative terminal to my loads without thinking much about it. So the connection between the two batteries is the usual way for T5s with a +ve cable under the floor, and an earth strap from leisure battery negative terminal to chassis. I wired my VSR in before I decided to buy the monitor. The monitor will only see what goes through it.obviously, right? It occurred to me I probably have it wired wrong. When I switch the engine on, the VSR engages as described, but the monitor doesn't show a charge coming in. The monitor seems to work fine with my loads on (just a fridge, some lights, usbs) showing a draw on the leisure battery. ![]() I also have one of those AiLi battery monitors which uses a shunt wired up in series on the ground side. In short I have a dual sensing VSR wired up from starter battery to leisure battery. ![]()
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