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Supercharge your solar with battery storage.

Unlock the full potential of solar with our industry leading solar battery storage options.

Maintain power during outages
Maximize your solar usage
Lower your energy bills
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Maximize your solar even after the sun has set.

Solar batteries have changed the face of solar power by providing more reliable backup power than ever before. By adding energy saving capabilities. Adding a backup battery to your solar has never looked better.

Stay powered up during blackouts with stored energy from your home battery.

Protect against rising energy costs and support your home's future energy needs.

Stack Batteries to maximize your solar energy storage to use when needed.

Just needing backup energy? We can install just the battery until you’re ready for solar.

Call 855-927-4367 for a free custom quote.

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Bigdog Solar Battery Options

Whether you’re wanting to just keep the essentials running during a power outage or you are wanting to run your whole homestead, we have backup battery solutions to fit your needs. Below are two manufacturers that we’ve found (through our thousands of installs) that provide incredible reliability as well as the features homeowners like yourself demand.

BATTERY 101

Understanding Grid-Tie Battery Backup

Solar panels take a break when the sun goes down, and in the winter, they don’t produce as much energy thanks to shorter days and cloudier skies.

In theory, you could store enough energy in batteries during the day to keep your home running all night. But even with a massive bank of batteries, it’s just not practical to rely on leftover summer energy to get you through the winter.

That’s where staying connected to the grid really pays off. The grid acts as both a safety net and a virtual battery, making sure you always have power—day or

Lately, batteries have become even more popular as power outages are happening more frequently.

Backup Battery FAQs

We understand that you might have a lot of questions when it comes to backup batteries. Below are some of the more common questions we get, but feel free to reach out with any additional questions you might have as well as to get a free customized quote.

Does adding a backup battery add a cost to my solar package?

Yes, adding a backup battery does increase the overall cost, but the 30% Federal Tax credit is also applicable to battery storage which helps offset some of the upfront cost.

Backup batteries also allow you to store energy when it’s cheap to use later in the day when energy is more expensive adding to the savings of going solar.

Can you add batteries after the installation of a grid-tied solar system?

Yes, you can add batteries after the installation of a grid-tied solar system. Many homeowners choose to install battery backup later to provide protection during power outages or to increase energy independence. Depending on your existing system, a battery can be integrated using either your current inverter or an additional component like an AC-coupled system. It's a flexible upgrade that enhances the value and reliability of your solar investment.

Can I install a grid-tie battery backup system myself?

Installing a grid-tied battery backup system yourself is technically possible, but it’s not recommended unless you’re a licensed electrician with experience in solar and battery systems. These setups involve complex electrical work, permitting, and utility coordination to ensure safety and code compliance. For most homeowners, hiring a qualified installer ensures the system works correctly, qualifies for incentives, and protects your home and investment.

Can I use a solar-powered battery backup system to go completely off-grid?

A solar-powered battery backup system can reduce your reliance on the grid, but going completely off-grid requires a much larger and more carefully designed system. To be fully off-grid, your solar and battery setup must produce and store enough energy to power your home year-round—even during cloudy days or winter months. This usually means more panels, higher-capacity batteries, and backup generators. While possible, it's a major commitment and often more expensive than staying grid-tied with backup.

What maintenance is required for a solar-powered battery backup system?

Solar-powered battery backup systems require minimal maintenance, especially if they use modern lithium-ion batteries. Routine upkeep typically includes keeping the area around the battery clean and well-ventilated, monitoring system performance through the app or inverter display, and occasionally checking for software updates. Most systems are designed to be low-maintenance, but it's a good idea to have a professional inspect the system every few years to ensure everything is operating safely and efficiently.

How long do solar-powered battery backup systems last?

Solar-powered battery backup systems typically last 10 to 15 years, depending on the battery type and usage. Most modern lithium-ion batteries come with warranties of 10 years and are designed to retain around 70–80% of their original capacity by the end of that period. Proper installation, moderate climate conditions, and regular monitoring can help extend the system's lifespan and performance.