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Merchlibbi home battery storage
Setting the standards in home energy storage, libbi is our intelligent, eco-smart, scalable battery system. Offering a simple way to capture, store and deploy energy where and when it’s needed most, libbi can help you to save money, save energy and reduce your reliance on the grid.
Capable of making informed decisions about optimising home energy use based on precise generation and consumption data, you can choose to charge libbi using self-generated 100% renewable energy, grid energy, or a mixture of both.
Capture, store, optimise and deploy – our solar battery storage device really is the eco-smart home energy management solution that you’ve been waiting for.
Interested in optimising your energy use with libbi? Click the button to find out more.
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Why libbi is the smart choice for your home
Lock in free energy
Instead of exporting your excess solar, libbi keeps it tucked away for when the sun goes down. It makes sure you use your own energy first, so you are not buying it back later at a much higher price.
Buy power for less
libbi can match your energy tariff and automatically top itself up with cheaper, off-peak electricity, usually while you are asleep. That gives you a ready tank of low-cost power to use during expensive peak times.
Get the best of both
When charging libbi from the grid, you can customise how much space you save for solar generation tomorrow. Set it low for that summer sun and high for those shorter winter days.
Prioritise the essentials
This battery is smart enough to know the difference between your house and “hungry” kit like your car. It stops your stored energy from being accidentally drained into the EV, making sure your lights, fridge and everyday appliances always come first.
Total confidence built in.
When you invest in home energy, you want to know it is built to last. libbi is engineered with safety, reliability and long-term performance at its core. From the quality of the battery cells inside to the way each module protects and monitors itself, every detail is designed to give you complete peace of mind.
This is energy storage you can trust in your home, day after day, year after year.
libbi monitors and manages each module individually to keep everything balanced, healthy and running efficiently. That means better performance over time and a longer-lasting system.
Each 5kWh module includes built-in safety guards and dedicated cooling, so your battery is constantly looking after itself in the background. You get a safer, more reliable system that is built to go the distance.
Inside libbi are lithium iron phosphate (LFP) cells, widely recognised as one of the safest and most stable battery chemistries available.
LFP technology is trusted around the world for its long lifespan and thermal stability. For your home, that means greater peace of mind, strong long-term performance and no compromise on safety.
libbi single-phase is available with either a 3.68kW or 5kW hybrid inverter, making it suitable for most UK properties.
Whether your home has modest daily usage or higher demand, you can choose the inverter that matches how you live. The result is a system that feels properly sized, not forced to fit.
Running your whole home from a battery during a power cut, can drain your battery faster than you’d like. Rather than trying to power the entire house, libbi allows you to prioritise essentials so your milk stays cold, and the Wi-Fi keeps the kids happy. The power simply stays on when and where you need it most.
Trusted by thousands.
You are not testing out new technology. With over 350,000 myenergi products installed across 10 countries and thousands of libbi systems already running in UK and European homes, you are choosing a system backed by real-world experience.
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Expert support, with a human touch.
When you have a question, you speak to real energy specialists who understand how homes actually work.
Fast answers, practical advice and support that makes sense.
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One home. One app.
Your battery, solar, EV charger and hot water all work together through a single myenergi app.
No juggling platforms. No conflicting settings. Just energy that flows where it should, when it should.
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What’s in the box?
Each libbi system includes:
- A 3.68kW or 5kW single-phase hybrid inverter
- Battery storage in 5kWh modules, available in 5kWh, 10kWh, 15kWh or 20kWh configurations
- The dedicated libbi controller, which manages system intelligence and communicatio
- Battery-to-inverter and interconnection cabling
- Mounting hardware and essential installation components
All parts are designed and engineered to work together as one system, ensuring reliable performance, straightforward installation and seamless integration with solar PV and the wider myenergi ecosystem.
Designed as one intelligent ecosystem
Most home energy systems are a mix of brands that don’t always work smoothly together.
libbi is different.
It’s designed specifically to work with:
- zappi EV charger
- eddi solar diverter
- harvi wireless sensor
No messy workarounds. No wasted solar.
A decade of peace of mind
We back libbi batteries and inverters with a full 10-year warranty.
This isn’t just hardware. It’s long-term protection for your home energy investment.
Product warranty
libbi Frequently Asked Questions
If you’re looking for more information about the myenergi libbi home battery, we’ve created a series of expert guides. Alternatively, our product experts have answered your most frequently asked questions below.
For many UK homes, especially those with solar panels or time-of-use tariffs, battery storage can significantly reduce reliance on expensive grid electricity. It allows you to store excess solar for the evening and buy electricity when it is cheapest.
Savings depend on how much electricity you use, how much solar you generate and which tariff you are on. A battery helps you avoid exporting solar at a low rate and reduces the amount of electricity you buy during expensive peak times.
libbi is designed to maximise those savings. It stores your excess solar instead of sending it back to the grid and can automatically top up using cheaper overnight electricity. With storage options from 5kWh to 20kWh, you can size your system to match your home and expand later if needed.
The right size depends on your household’s daily electricity use and how much solar you produce. Many UK homes start with 5kWh or 10kWh of storage and increase capacity as their energy needs grow.
libbi makes that decision easier because it is modular. You can choose from 5kWh, 10kWh, 15kWh or 20kWh configurations, built in 5kWh modules. That means you do not have to overbuy on day one and you can expand later without replacing your system.
In most cases, yes. Many homeowners install battery storage after their solar panels are already in place. libbi is designed to integrate smoothly with solar PV systems thanks to it’s hybrid inverter.
An installer can assess your current setup and recommend the right configuration, giving you a system that works seamlessly with what you already have.
Trade and installation information
Whether you are a solar installer expanding into storage or a wholesaler looking to supply a proven system, libbi provides a flexible, future-ready solution backed by a 10-year warranty and strong brand recognition across the UK and Europe.
Become a libbi installer Trade enquiriesTo speak to us directly, call 0333300 1303 or email sales@myenergi.com.
