What Hybrid Inverter Charger size do I need?

Hybrid Inverter Charger Size Calculation

Hybrid inverters are designed to work with both grid power and renewable energy sources like solar panels or wind turbines. Sizing a hybrid inverter charger involves determining the appropriate power rating and features based on your specific requirements for both inverting DC power to AC power and charging batteries from AC power and/or renewable energy sources.

Here are the steps to establish the Hybrid inverter charger size you need:

 

1. 1. Calculate the total AC load: Determine the total power consumption of all the AC appliances and devices you plan to power simultaneously, just like you would for a regular inverter charger. Add up the wattage (or kilowatt) ratings of all the devices and account for surge power requirements during startup.                                                                                                                                                  Some common electronic devices and wattages include: 
      

      Device	Watts
      50inch LED TV	120
      2.1Ch Sound Bar	50
      Microwave	1,200+
      200Litres Fridge	200 (500 on startup)
      Laptop	60 – 90
      Portable heater	1,500
      LED Lightbulb	10
      Laser printer	50
      Desktop Computer	150

1. 1. Account for efficiency and power factor: As with any inverter charger, you should consider the efficiency of the hybrid inverter charger. Inverters and chargers have efficiencies that range typically from 85% to 95%. Divide the total AC load calculated in step 1 by the efficiency (in decimal form) of the hybrid inverter charger to adjust for any energy losses.

1. 1. Incorporate surge power: Some devices, like motors or refrigerators, require higher power during startup. To handle these surge currents, it’s recommended to oversize the inverter charger by adding a safety margin, usually around 25-30% on top of the total AC load.

1. 1. Consider future expansion: If you plan to add more appliances or devices in the future, consider that in your hybrid inverter charger size calculation. It’s better to oversize it a bit to accommodate potential future power needs.

1. 1. Determine battery charging requirements: If you intend to use renewable energy sources like solar panels to charge your batteries, calculate the maximum charging current required for your battery bank. This depends on the battery capacity, the desired charging rate, and the capacity of your solar panels. Make sure the hybrid inverter charger can handle the charging current required by your batteries.

1. 1. Assess renewable energy sources: If you plan to connect solar panels or other renewable energy sources to the hybrid inverter, you should ensure that the inverter’s input capacity matches the capacity of the renewable energy sources. For example, if you have 5 kW of solar panels, you’ll need a hybrid inverter with an input capacity of at least 5 kW.

1. 1. Select an appropriate hybrid inverter charger: Once you have all the relevant data from the previous steps, choose a hybrid inverter charger that matches or exceeds your power requirements, considering the total AC load, battery charging requirements, and renewable energy source capacity. You may not always find an exact match, so it’s generally safer to choose a slightly higher-rated inverter charger to handle potential surges and future expansion.

1. 1. Consider inverter charger features: Different hybrid inverters come with various features, such as remote monitoring, Lithium battery BMS communication support, grid support, load shifting, and backup power options. Evaluate these features to ensure they align with your specific needs.

1. 1. Consult with a professional: If you’re unsure about the calculations or have specific power requirements, it’s recommended to consult with a professional or an expert in renewable energy systems. They can help you choose the right hybrid inverter charger for your specific application and ensure that it integrates effectively with your renewable energy sources.

1. 1. Always follow the manufacturer’s guidelines and best practices to ensure a safe and efficient hybrid power system.

Remember that safety and efficiency are crucial when sizing a Hybrid Inverter Charger. Always follow the manufacturer’s guidelines and best practices to ensure a reliable and functional power system.

Looking to purchase a Hybrid inverter charger? Below is a list of some of our Hybrid Inverter Chargers:

DEYE 5KW 48V Single Phase Hybrid Inverter

Key Features

 

1. 1. AC Output Power Capacity: 5,000 Watt ( 5 KiloWatts )

1. 1. Battery Charging Capacity: Peak 120Amps – Can recharge a 20KWh battery in 4 hours. ( Lead-acid or Lithium-ion )

1. 1. Solar Power input capacity: 6500 Watts with Two MPPT design, Max. efficiency of 97.6%

1. 1. Additional Features: Remote monitoring, Default renewable energy prioritization, Programmable charging and discharging schedule

 DEYE 8KW 48V Single Phase Hybrid Inverter

Key Features

 

1. 1. AC Output Power Capacity: 8,000 Watt ( 8 KiloWatts )

1. 1. Battery Charging Capacity: Peak 190Amps – Can recharge a 35KWh battery in 4 hours. ( Lead-acid or Lithium-ion )

1. 1. Solar Power input capacity: 10,400 Watts with Two MPPT design, Max. efficiency of 97.6%

1. 1. Additional Features: Remote monitoring, Default renewable energy prioritization, Programmable charging and discharging schedule.