You can run an inverter rated between 1500W and 2400W off a 200Ah lithium battery depending on voltage and usage. Typically, a 12V 200Ah battery supports up to about 2400W, while higher voltage configurations like 24V or 48V allow larger inverter sizes. . Your inverter size should match your solar array's capacity, not your electricity bill. This means your inverter doesn't need to power your entire home—it just converts whatever your panels generate. Let's say you have a 6kW solar array (twenty 300-watt panels). Your inverter needs to handle that. . How to determine what size inverter I need? Before we go any further, we highly recommend that you choose a pure sine wave inverter. This way, none of your appliances run the risk of being damaged. Choosing a pure sine wave inverter matched to. . To determine the appropriate inverter size for a 200AH battery, you need to consider the total wattage of the devices you plan to power. A general rule is to choose an inverter that can handle at least 1. 5 times the total wattage of your devices. For example, if your devices require 800 watts, a. . Choosing the right solar inverter size is critical—and one of the most common questions: what solar inverter size do I need? Whether you are installing a rooftop system in California, powering a remote cabin in Alberta, or sizing for a community center in Rajasthan, getting it right means. . An inverter is a device that converts direct current (DC) electricity (usually from batteries or solar panels) into alternating current (AC) electricity, which is used by most household appliances and electronics. Choosing the correct size of inverter is crucial to avoid underpowering your devices. .