How many watts of home battery backup is suitable for your house?

In a world where our dependence on continuous electricity is undeniable, securing an uninterrupted power source for your residence becomes a top priority. However, have you considered the appropriate watts of a home battery backup for your household? It's essential to determine your total wattage consumption in advance, enabling you to plan ahead and prevent finding yourself in the dark without a clear solution. So without further ado, let's get down to business.

The difference between kW & kWh

Before working out how many kW a home uses or how many kWh a house uses per month, let’s differentiate between the two measurements.

The power of each home is measured in kilowatts (kW). One kW equates to 1,000 watts, whereas kilowatt-hours (kWh) measures your energy usage – or to put simply the power consumed per hour. So let’s put this in a real-time perspective. 1 kWh would be used to run a 1000-watt appliance for an hour (assuming no efficiency loss). Or on a smaller scale, a 100-watt lightbulb would run for 10 hours using 1 kWh.


How many watts does a house use?

The average energy consumption for a house is around 893 kWh per month, totaling 10,700 kWh annually. This equates to an average daily electricity usage of about 30 kWh.

This comprehensive figure includes various activities such as cooking, watching TV, using dishwashers, and the continuous operation of background appliances like refrigerators, heaters, and air conditioners.

To convert this consumption data into watts, a straightforward calculation is required. By dividing the daily consumption of 30kWh by 24 hours, we arrive at an average of 1.25kW or 1250W. This wattage represents the sustained power demand of the household, encompassing all daily activities and continuous appliance usage.


Shopping for the right home battery backup for your house

By investing in a proper power station, households can ensure that they have a reliable backup power source in case of blackouts or other disruptions. Follow these steps to get the ideal backup power solution:

Evaluate Your Power Needs: Start by assessing the power needs for your home during blackouts or emergencies. Compile a comprehensive list of essential appliances and devices, taking into account their wattage and specific power requirements.

Consider Runtime Demand: Determine the necessary continuous runtime for your backup power system. This will be influenced by the typical duration of power outages in your locality and your unique needs. Calculate the required battery capacity or fuel capacity based on the estimated runtime to ensure your backup system can sustain your power demands.

Establish a Budget: Define a budget for your backup power system, encompassing the initial investment, installation expenses, and ongoing maintenance costs.

For specific models for recommendation, consider the OUKITEL BP2000 which boasts a 2048Wh capacity paired with 15 output ports, it provides a continuous power supply that can keep your 360W refrigerator running for 5.7 hours, or your 700W microwave for 2.9 hours. By adding up to seven B2000 expansion batteries, they can power your house 1-6 days during power outages.

OUKITEL BP2000 Expandable Power Station


In addition, the OUKITEL P5000 also a good choice for your backup solution. With a 5,120Wh capacity, P5000 is able to support an average family’s power needs for an entire day, you can run most of household appliances. Transport is relatively unproblematic thanks to the durable wheels and retractable handle. P5000 power station is perfect for emergency, RV trips, outdoor parties and adventures.

OUKITEL P5000 Home Battery Backup


To summarize

To round off, you should now have a much clearer understanding of how many kW and kWh it takes to run a house. By journaling your average monthly consumption and recognizing habits or factors that may be costing you precious kWh and excess fee, you can take the steps to find the correct energy plan for you and invest in a OUKITEL home battery backup tailored to suit your home lifestyle. 

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