48V 130 ampere batteries are uncommon so you may opt for a 200 amperes instead. Your battery must be able to provide minimum 130 amperes. If the power load factor is 0.8 then the volt amperes (VA) is 130 amperes. Suppose your 5000W, 48V inverter needs to run for 6 hours. How long do you plan to run the inverter? Is it for a couple of hours? 5 hours? 12 hours or more? This tells you how many watt hours you need and how much the battery capacity has to be. Determine How Many Hours You Need To Run The Inverter Example, a 48V inverter will work with a 12V battery if you have four hooked up (12 x 4 = 48). The battery doesn’t have to be a specific match as long as the total is the same. Make sure your battery matches the input. Check The Inverter Input VoltageĪ lot of inverters have 12V or 24V input, but 36V, 48V and even 96V and others are not uncommon. Do note that refrigerators and air conditioners have surge requirements so a large system is definitely required. Include every appliance and device you plan to run on the inverter. Bottom line: no matter what the battery bank voltage, it must provide 5000W for every hour you want the inverter to operate.ĥ000W is a lot of power but do you really need that inverter size? The best way to find out is to add up the total watt usage of all your loads. With a full discharge the inverter can run at maximum load for two hours or 10kwh (10,000W). With four 210ah 48V batteries, the inverter receives 104ah hourly. Multiple batteries increases voltage so the power supplied (in watts) increases. No matter what the voltage is, the ah rating in series configured batteries will always be that of the smallest battery in the setup. So you need at least a 750ah-800A battery to run the inverter for 30-45 minutes without totally depleting the battery. We have stated in other posts on this site that lead acid batteries should be recharged at 50%. However that figure supposes you will run the battery down to zero, or a 100% discharge. Of course the figure will be different if you have a 24V, 36V or 48V battery. But inverters are not perfect and some energy is lost, so more likely it is 30-45 minutes. Theoretically a 450-500ah battery can run the system for an hour. If you use the inverter’s full capacity, that is 416 amps an hour. To illustrate further, suppose you bought a 5000W inverter with a 12V input. ◆Charge: CC 0.2C to 14.6V, then CV till current to 0.05CĠ.2C constant current(CC) charge to 42V,then constant voltage (CV)42V charge till charge current decline to ≤0.05C Higher than 80% of the Initial Capacity of the Cells Standard discharge(0.2 C 5)after standard charge(0.2 C 5) Lithium batteries are going to be the best trolling motor batteries As it with highest energy density compared with other type. If you are putting this battery on a kayak or small Jon boat, the weight may be a concern for you. Most modern batteries weigh between 20 and 50 pounds. This maximizes the battery’s power potential. DOD means that as the battery works it uses the full capacity of the battery. This prevents a battery accident while out on the water.Lithium batteries use a Depth of Discharge (DOD) technology. The lithium trolling motor battery pack come with built-in protection. You can install lithium ion trolling motor battery very ease. These batteries are up to 70% lighter than Lead acid or AGM batteries. Lithium trolling motor battery available for 12 volt, 24 volt, and 36 volt. Lithium is consider as the best trolling motor battery
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