12/20/2023 0 Comments Used car batteries near me f1 terminal![]() At least if you expand the cost per watt will be less. Adding more low wattage panels just increases your cost so if you are going to start go with a 200watt or larger panel. You just need to get a new set of bigger batteries.Īlso going with some low wattage panels 200watt (~$1/w). If you start small more than likely the batteries are a throw away because you can't add new batteries to an old set. Just be aware that a solar battery system is a balance of panels, charge controller, batteries and inverter. ![]() ~DerekI understand the desire to start small when you do not have the funds. I mainly came across the F1 terminals because I wanted to use an array of 6v batteries connected in series and parallel to give me the desired 12v output for larger amp hours. I'm paying for my wedding, so the only way I could get the bride-to-be to agree to this project is if I can build it small and allow for expansion over the weeks haha Keeping it cheap. I'll do some more research on what kind of battery that I'll use. It's how I came to my estimate of the 50 aH for the batteries. Once you determine what you true daily watt hour load is you can size your battery system and then your solar panel wattage. This item can measure exactly what that fan or purifier uses in watt hours over a 24 hour period. One way to know what your true watt hour load will be to use something called a "Kill o watt" meter. If they have a higher total wattage then it is less than 3 hours. So depending on what the wattage of those air purifiers and fan (say 50 watts total) you can only run them 3 hours a day maximum. But you should discharge that battery no more than 25% so your usuable watt hour is 600 x 25% or 150 watt hours. Take the battery voltage (say 12volt) times the battery Ah rating (say the 50Ah you want to start with). ![]() Here is a real quick way to calculate what a battery system will provide you in watt hours. Thanks again for the replies! I started this thread at work and couldn't get back on until now. To start with, I only want to run a couple of air purifiers and maybe a fan. I'm trying to set up a small system that will be somewhere around 50 aH to begin with and I'd like to expand it as I go. Thanks for the replies! To be honest, since I haven't seen these batteries anywhere but online, the battery size never dawned on me. ![]() When you have time, please tell us more about the scale of your small starter system so that we can put our advice into that context. PS: Five minutes from your introductory post to your first question. Soldering the terminal to your wire will produce a high stress spot where the wire will be likely to break from flexing over time, even with an attempt at strain relief. Read the writeup at the link I provided and buy the appropriate friction fit terminals and crimp them to your wire using the recommended crimping tool or equivalent only. Batteries in the typical RE sizes use traditional automotive conical post terminals (bad), flag terminals (vertical plate with a bolt hole) (better) or integral terminals with just a bolt hole set into the battery case (like the side terminals on modern car batteries). They are ONLY used for very small batteries in the emergency light and small UPS scale. They are "Faston" (TM) terminals for slip-on connectors, usually crimped to the wires. ~DerekFor those who are wondering what F1 terminals are, check out. Could anyone point me to either a tutorial, a basic write-up, or even some recommended products to do what I'm hoping to accomplish? I definitely don't want to wrap some copper around the loop on it, as that would be undeniably dangerous. I'm not used to this and I don't know if I need some sort of terminal connection or adapter. Specifically, I have noticed that the majority of batteries on the market have an F1 terminal. ![]() I have figured out about how much aH that I'll need and all that, but I'm still confused about how to connect the batteries. I tried the search feature, but I'm at a bit of a loss for which terms I should use.Īnyways, I'm getting ready to do my first off-grid test and am down to needing the batteries. I'm new here so I apologize if I'm asking a question that has been asked lots of times. ![]()
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