![]() ![]() However, for shorter periods of time or only to have a couple of outlets powered, you can wire in an inverter to just handle those draws. If you’re frequently camping off-grid and boondocking you may want your entire RV on the inverter to power every outlet in the camper. If this were the case, we would all have to purchase very powerful inverters. Does the Inverter Need to Power the Whole RV? A 2000- or 3000-watt unit is the most common size used in RVs. This means you’ll need a pretty average size inverter of at least 2,000 watts. For example, let’s say you need 1,500 watts to run your computer and microwave at the same time. You can easily estimate the size inverter you’ll need by adding up the largest number of watts you’ll be using at a given time and adding 20%. ![]() Many wonder what size inverter they need for their RV and estimate something far larger than necessary. Most inverters will range between 1,000 watts and 5,000 watts, and you’ll probably need an inverter size somewhere in the middle. If you don’t want to worry about this, look at your large loads and oversize the inverter so that you have capacity. If you only have a 2000-watt inverter, you may need to turn things off before running a microwave. ![]() However, it’s a good idea to understand your largest loads and how often you will be running them. Keep in mind that you do not need to be able to run everything off your inverter. For example, it’s recommended to have at least 800Ah of battery capacity in lead-acid to operate a 3000-watt inverter, whereas with our lithium, 300 Ah will work. Because of this, utilizing a larger inverter with a lead-acid battery bank requires an oversized system to limit this effect. Lead-acid batteries have a high Peukert exponent that causes them to lose significant capacity when large loads are applied. Just as important as the capacity is the battery type. For example, a 3000-watt inverter would need at least three 100Ah Battle Born Batteries. We recommend having a minimum of 100Ah battery for each 1000watts inverter capacity. While there is no set requirement for size, the following is a general rule of thumb recommendation when operating with our Battle Born Lithium batteries. An inverter that is too big for the battery bank will drain it quickly and the batteries may not be able to power it appropriately. Matching your inverter to your battery capacity and type is very important. What Is Your Battery Bank Capacity and Type? When looking at inverters consider that they frequently have surge capacities that they can endure for short times. This will tell you the minimum size inverter you’ll need to power your devices. Once you’ve added up the number of watts you’ll need to power (including the surges), add 20%. You’ll want to factor in both the running watts and the surge requirements, as some appliances (like microwaves and refrigerators) have high surges when they first startup. Begin by making a list of the electronics in your RV and adding up the watts they require. This will help you decide which size inverter you’ll actually need. What Are You Trying to Power?įirst and foremost, you’ll need to determine which devices and appliances you want to power at the same time. Let’s explore the questions you should ask before making your purchase. Choosing the right size inverter for your RV will depend on several factors. Inverters come in a wide range of sizes with varying abilities. #POP UP CAMPER POWER CONVERTER HOW TO#How do you do this? With an RV inverter! How to Choose the Right Size Inverter for Your RV However, it does not run higher power appliances, thus, in order to power electronics such as your microwave, coffee maker, laptop, etc., you’ll need to convert the DC power to AC power. This runs most of the lights and appliances in the RV that keep operating when you unplug. Your batteries, however, run at 12V DC power. This is why you don’t need an inverter when you connect to the grid. This is the type of electricity received from the mainstream electrical grid, and it’s, therefore, the power your RV receives when you plug it into shore power. Most electrical devices run on AC power at 120 or 230 volts, like what you find in your home. To explain what an RV inverter is, we must first discuss the different types of power in your RV.
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