Quck answer
To increase watts with two power inverters, you can connect them in parallel. This means connecting the positive terminals of both inverters together and the negative terminals together. By doing this, the inverters will work together to produce more power. However, it’s important to make sure that the total wattage of the devices connected to the inverters does not exceed their combined power output. Additionally, you should ensure that the inverters are compatible and have the same voltage and frequency ratings. Following these steps will allow you to effectively increase the wattage output using two power inverters.
If you are utilizing a portable power source or a renewable energy (RE) system, it is likely that you will need to use a power inverter to convert the electrical signal from the power source, from DC (direct current) to AC (alternating current). This is an essential step for operating most electrical appliances, which typically require 120v AC. Power inverters should be stored in the same location as your deep cycle battery bank or power source.
Step 1
Check with the manufacturer of your power inverters to ensure that they can be stacked in a parallel configuration. Some inverters cannot be stacked. Use two identical power inverters for your system, as this will ensure their proper functioning and ability to be stacked together. Keep in mind that stacking two power inverters in this manner doubles the amperage capacity of the inverters to draw power from the batteries. It also has the potential to decrease the battery bank’s amp hours by up to half of their capacity.
Step 2
Connect the input terminals of the first power inverters to the battery bank. Each power inverter may have its own specific connection and wiring requirements, which should be provided by the manufacturer. The input wires should be as short as possible, preferably less than 6 feet. This will require the power inverters to be stored close to the power source. The size of the wires used to connect to your power inverter should also be determined by the specifications of the power source, including the voltage of the system and the maximum amperage that will be passing through the wires. There are various wire-sizing charts and wire-size calculators available online.
Step 3
Connect the second inverter (referred to as the “slave” inverter) to the first inverter (referred to as the “master” inverter). The positive input of the slave inverter should be connected to the positive output of the master inverter. Repeat the same process for the negative input of the slave inverter and the negative output of the master inverter.
Step 4
Connect an extension cord to your master power inverter. The extension cord should have a rating suitable for handling the voltage and amperage of your RE system. Alternatively, you can connect the output from the power inverters to your circuit breaker switchboard.
