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Enphase IQ Battery Series Review (2024)

Enphase solar batteries
Source: Enphase

If you're under the impression that solar power is only for those basking in endless sunshine, prepare to be pleasantly surprised. Sure, solar excels in sunny locales, but thanks to the game-changing Enphase IQ batteries, solar energy is now a brilliant option for everyone – yes, even in places where the sun loves to play a hide and seek.

Back in 2020, Enphase Energy made a splash in the energy storage pool with their IQ Battery series, revolutionizing how we think about solar storage. This lineup features the IQ Battery 3/3T, IQ Battery 10/10T, and the newly launched IQ Battery 5P which rivals the power output of larger batteries at half the capacity size. 

To protect your home from power outages, you'll need a reliable battery backup. But here's the thing: every home has its unique energy demands, batteries are a complex purchase. That's where Enphase offers a decent starting point.

Key Takeaways

  • Enphase IQ Battery Series offers advanced solar storage solutions.

  • Models include IQ Battery 5P, 3/3T, and 10/10T, each catering to different energy needs.

  • IQ Battery 5P stands out for its high power output in a compact size.

  • Modular design across models allows for customized energy setups.


The Enphase Battery Models: Pros & Cons

Enphase's IQ Battery Series offers something for everyone. Whether you're just dipping your toes into solar energy or ready to dive in headfirst, there's an Enphase battery that's just right for you. But what's the real scoop on these batteries? Let's break it down, model by model, so you can see which one fits your home like a glove.

Enphase IQ Battery 5P

Enphase IQ Battery 5P

The Pros:

  • Size Matters: This little dynamo packs a serious punch. Despite its compact size, the IQ Battery 5P delivers an impressive power output. It's like having a mini powerhouse right in your backyard!

  • Expand Your Power: Need more juice? You can install up to 16 of these batteries, giving you a customizable energy fortress.

  • Worry-Free Warranty: With a 15-year warranty, you can sleep easy knowing your investment is protected.

The Cons:

  • Compatibility Hiccups: The catch? It doesn't play well with its siblings, the IQ Battery 3/3T or IQ Battery 10/10T.

Enphase IQ Battery 10/10T

Enphase IQ Battery 10/10T

The Pros:

  • Modular Magic: Tailor your energy storage to your needs. This battery's modular design means it's versatile and adaptable.

  • Capacity and Efficiency: It's the middle ground – not too big, not too small, with decent efficiency to boot.

  • Friendly on the Wallet: More affordable than you'd think, making it a smart choice for budget-conscious solar adventurers.

The Cons:

  • Not enough output: While it's reliable, it doesn't quite hit the high notes in power output.

  • Mixed Reviews: Some users have raised eyebrows over its performance, so do your homework!

Enphase IQ Battery 3/3T

Enphase IQ Battery 3/3T

The Pros:

  • Compact and Efficient: Ideal for smaller homes or moderate energy needs, this model balances capacity with efficiency.

  • Budget-Friendly: Another win for your wallet, offering solid performance without breaking the bank.

The Cons:

  • Power Play: It's on the lower end of the power spectrum, so if you're energy-hungry, this might not cut it.

  • Size Constraints: Great for smaller setups, but if you're looking to power a larger home, you might need to look elsewhere.

Remember, the best choice depends on your unique energy needs and home size.

Enphase IQ Battery Specs

Enphase IQ Battery 3/3T

Enphase IQ Battery 10/10T

Enphase IQ Battery 5P

Usable capacity

3.36 kWh

10.08 kWh

4.96 kWh

Round-trip efficiency




Depth of discharge




Peak power output (on-grid)

1.92 kW

5.7 kW

7.68 kW

Continuous power output (on-grid)

1.28 kW

3.84 kW

3.84 kW

Battery type

Lithium iron phosphate

Lithium iron phosphate

Lithium iron phosphate

AC- or DC-coupled?





$2,000 - $4,000

$8,000 - $10,000


Enphase IQ Battery Installation

Installing an Enphase IQ Battery isn't just about plugging in a few wires – it's a craft that demands expertise and precision. Here's the lowdown on why professional installation is the way to go:

First off, let's talk about the built-in Enphase IQ Microinverters. These little geniuses convert solar energy into usable power for your home. But here's the thing – they need a professional's touch. Because dealing with electricity is no child's play. It's complex, it's intricate, and, let's be honest, it can be a bit risky.

Now, you might be thinking, "Can't I just DIY this?" Well, you can. But as you know, professional electricians are trained to handle the nitty-gritty of these solar battery systems. They ensure everything's up to code, functioning seamlessly, and most importantly, safe. Plus, they'll set up the Enphase IQ Gateway, a crucial component that keeps tabs on your energy production and consumption

When it comes to solar power, cutting corners isn't an option. Professional installation is key for optimal performance and safety. Trust the pros – they've got the skills to power your home efficiently and securely. 

Enphase IQ Battery Cost: A Smart Investment

Thinking about the cost of an Enphase IQ Battery? Although the price tag might initially seem a bit steep, when you look at the big picture, it's a smart investment.

Cost Breakdown

  • IQ Battery 3: On average, you're looking at around $7,000, installation included.

  • IQ Battery 10: This one's a bit heftier, costing about $14,000.

Remember, these are ballpark figures before any incentives kick in. And let's not forget, the total cost isn't just about the battery. It's part of a larger solar-plus-storage system. For instance, a 5 kW solar setup might set you back about $12,000, but this varies based on your location and choice of equipment.

Investment vs. Return

Now, you might be wondering, "Is it worth it?" Absolutely! Think long-term – reduced energy bills, increased home value, and a smaller carbon footprint. Plus, with potential incentives and savings on energy costs, the return on investment can be quite attractive.

And if you are still in doubt whether Enphase batteries are the way to go, then reach out to our expert at IntegrateSun

Our Verdict on Enphase IQ Battery Series

As seasoned pros in solar installation, we've seen our fair share of batteries. So, what's our take on the Enphase IQ Battery Series? Well, it's more than just about power and performance.

Sure, performance is key, but what about the look? If your battery's going to be front and center, you want it to blend in, right? While Enphase's second-gen models have upped their design game, they're still playing catch-up to Tesla's Powerwall in terms of sleekness. But hey, looks aren't everything.

Here's where Enphase really shines – customer support. They've built a solid rep for top-notch service, something that's crucial for a product you'll rely on for over a decade. Tesla's Powerwall might be a tough cookie to get hold of, but Enphase's availability is much more user-friendly. In fact, 62% of solar installers in our survey preferred Enphase, compared to 25% for Tesla.

And let's talk tech – Enphase packs a punch with its microinverter technology. Unlike traditional systems that depend on a single inverter, Enphase uses multiple microinverters. This means if one goes out, the others keep on trucking. It's like having a backup plan built right in.

At the end of the day, it's all about finding what fits your home's energy needs like a glove. And that's where we come in. We're all about crafting customized solutions that tick all your boxes. Let's chat and get you set up with a system that's just right for you.


Can I go off-grid with an Enphase IQ battery?

Yes, you can go off-grid with an Enphase IQ battery. It's designed to store solar energy, allowing you to use solar power even when the grid is down. However, for complete off-grid living, you'll need

Is the Enphase IQ battery eligible for the federal solar tax credit?

How much do Enphase IQ batteries cost?

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