![]() ![]() Peak power indicates the amount of power your battery can supply over a very short period of time (typically just a few seconds) to turn on very power-hungry appliances, such as a sump pump or your HVAC system.Ĭontinuous power, on the other hand, refers to how much power the battery can continually supply over a sustained period of time. There are two different metrics of power that are important to consider when choosing a battery for whole home backup: peak power and continuous power. Power, expressed in kilowatts (kW), is a measure of how many devices you can power with your battery at the same time. You might want to factor this into your calculations depending on how long power outages (and stormy conditions) typically last near you. But keep in mind that storms often bring rain, snow, and clouds: conditions that definitely aren't ideal for solar. If you want to run your house for days on end, you'll want to also install solar panels so you can charge your battery system during the day. This means that if you want to power your home for a full day, you'll need a battery system that's at least 30 kWh. ![]() So, what's the battery capacity you'll need for whole-home backup? According to the Energy Information Agency (EIA), the average American home uses about 30 kWh of electricity each day – probably closer to 25 kWh in the winter and 35 kWh in the summer. Some battery companies offer large individual batteries, while others allow you to stack multiple small batteries in tandem to create a large system size. You can determine the system size based on the capacity of each individual battery and the number of batteries stacked together in the system. The most important factor when choosing a battery system for whole home backup is the size of the system. ![]() Here are some of the factors you'll want to consider when assessing different battery systems: Battery capacity and scalability Let's say you experience power outages often and are tired of either having no electricity at all or having to pick and choose which devices you're able to back up with a small battery or generator – you're a great candidate for a whole home backup system. ![]()
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