How do I choose a battery backup system for my home?

When choosing a battery backup system for your home it’s essential to understand the distinct characteristics of each battery type. Here’s a detailed look at the most common options available: Lithium-ion batteries dominate the home energy storage market with their impressive performance capabilities.

Are lithium ion batteries good for home energy storage?

Lithium-ion batteries dominate the home energy storage market with their impressive performance capabilities. These systems offer 90-95% efficiency ratings higher energy density and longer lifespans of 10-15 years. You’ll find them in popular products like the Tesla Powerwall Enphase Encharge and LG Chem RESU.

How much energy can a battery store?

For most battery systems, there's a limit to how much energy you can store. To store more, you need additional batteries. Even if you don't pull electricity from your battery, it will slowly lose its charge over time.

Do you need a generator if you have a power outage?

When the power goes out, the energy stored in your batteries powers your home. Batteries aren't the only form of home energy storage. If you've experienced a power outage in the past, you may have already invested in a generator. Any extra electricity you don't consume charges your batteries.

Is a solar-plus-storage system a good investment?

A solar-plus-storage system is likely a worthwhile investment if you're experiencing prolonged power losses multiple times each year. Unfortunately, your solar panels alone won't power your home during an outage because it's a safety risk to utility workers.

What powers your home when the sun goes down or the power goes out?

When the sun goes down or the power goes out, the energy stored in your batteries powers your home. Batteries aren't the only form of home energy storage, but they are becoming an increasingly popular choice over home generators.