Solectra ES-BOX Series: Wall-Mounted LiFePO4 Battery

Think about the last time the power went out. The lights dropped, the router went dark, and everything that runs your home or business came to a sudden stop. Now imagine that never being a problem again because you had already stored enough energy to keep going, quietly and automatically, without lifting a finger.

That is exactly what the Solectra ES-BOX Series is built for.

This is not just a battery. It is a wall-mounted energy reserve that works alongside your solar panels to capture what you generate, hold it safely, and deliver it precisely when you need it most whether that is during a grid outage, through the night, or during the expensive peak-rate hours when grid electricity costs the most.

Built on LiFePO4 (Lithium Iron Phosphate) chemistry one of the safest and longest-lasting battery technologies available today the ES-BOX Series is rated for 6,000 cycles at 80% depth of discharge. That kind of longevity is not a coincidence. It is the result of choosing the right chemistry, engineering it properly, and backing it with a 5-year manufacturer warranty from SM Solar Pvt. Ltd.

The ES-BOX Series is expandable up to 16 units in parallel, allowing the system to grow alongside your energy needs without forcing you to replace your existing setup.

Key Features

  • Two Storage Options: ES-BOX12S (2.56 kWh / 25.6 V) & ES-BOX12 (5.12 kWh / 51.2 V) for residential and light commercial use
  • Advanced LiFePO₄ Cells: Safer, more stable, and longer-lasting battery technology
  • 6,000+ Life Cycles: Delivers over 16 years of reliable daily performance at 80% DOD
  • 100Ah Capacity: Consistent and dependable energy storage across both models
  • 1C Charge & Discharge: Up to 100A fast charging and smooth power output
  • Expandable Design: Connect up to 16 units in parallel for higher storage capacity
  • Built-In Wi-Fi: Monitor battery performance and status directly from your smartphone
  • Multiple Communication Ports: USB, RS485, and CAN support for inverter and EMS integration
  • Low Voltage Protection: Enhanced safety for connected devices and battery operation
  • Wide Temperature Range: Reliable performance from –20°C to 55°C
  • Optimised 80% DOD: Balanced for maximum usable power and long battery life
  • IP20 Indoor Protection: Ideal for wall-mounted residential and commercial installations
  • Compact & Space-Saving: Slim wall-mounted design with efficient footprint
  • 5-Year Warranty: Backed by a 5-year manufacturer’s warranty from SM Solar Pvt. Ltd.

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Description

Your solar panels work hard all day. The Solectra ES-BOX Series makes sure that work is never wasted.

This wall-mounted LiFePO4 home energy storage system captures the excess solar energy your panels generate. It is ready for you when you actually need it, evenings, overnight, during outages, or whenever grid electricity is at its most expensive. The ES-BOX fits neatly into a range of residential and light commercial setups without demanding significant space or complicated installation.

What genuinely separates the ES-BOX from cheaper alternatives is the chemistry underneath it. LiFePO4 cells are inherently safer than standard lithium-ion, chemically stable under heat, and built to last. At 6,000 cycles and 80% DOD, the ES-BOX is engineered to serve your home for well. Over a decade of daily use not a few years before performance starts to fall away.

With 1C/1C charge and discharge capability, built-in Wi-Fi, multi-protocol communication support.  The ability to connect up to 16 units in parallel, the ES-BOX Series is a storage platform that adapts to you not the other way around. And with a 5-year warranty behind every unit, SM Solar Pvt. Ltd. stands behind this product with genuine long-term confidence.

Your Energy, Held Until You Need It

The ES-BOX is a wall-mounted LiFePO4 battery system that does something simple but genuinely valuable. It stores the solar energy your panels generate during the day and makes it available on your schedule not the grid’s. Come home in the evening, run the appliances, keep the lights on, charge what needs charging. Draw from the energy your roof already collected rather than paying the grid for the privilege.

It is the kind of shift that feels small until you see it on your electricity bill. Then it feels quite significant.

Why LiFePO4 Is Worth Caring About

Battery chemistry is one of those topics that can feel overly technical, but the practical differences are worth understanding. Especially when a battery is mounted on the wall of your home.

Standard lithium-ion cells, the kind used in older battery packs and many budget storage products, carry known risks around heat build-up and long-term degradation. LiFePO4 Lithium Iron Phosphate is a fundamentally different chemistry. It is thermally stable, which means it does not carry the same overheating risks. It degrades far more slowly, holding onto a greater portion of its original capacity across thousands of cycles. And it is inherently safer by design.

The ES-BOX Series is rated for 6,000 cycles at 80% depth of discharge. Cycle it once a day and you are looking at more than 16 years of reliable performance. That is not a best-case scenario it is the tested, rated specification. For something that sits at the core of your energy setup, that kind of longevity is worth paying attention to.

A System That Grows When You Do

Energy needs rarely stay the same. A household that installs a modest solar setup today might want to add more panels and more storage in two or three years. A business that starts with one storage unit might need three times the capacity as it expands.

The ES-BOX Series handles this gracefully. Each unit supports parallel connection with up to 16 units in total, meaning you can grow your storage capacity incrementally as your requirements change. Start small, expand when you are ready, and keep building all without ripping out what you already have.

Fast Charging, Smooth Delivery

The ES-BOX supports 1C/1C continual charge and discharge meaning it can absorb energy from your solar panels at the same rate it delivers power to your loads, up to 100A in each direction. In practical terms, this means the battery charges efficiently during the peak solar hours of the day and delivers power consistently and reliably when you need it, without the sluggishness that lower-rated batteries can exhibit under sustained load.

Whether you are running a home through the night or supporting a light commercial operation, that balance of charge speed and delivery consistency makes a noticeable difference day to day.

Always in the Picture

One thing that often frustrates battery owners is not knowing what is actually happening inside their system. The ES-BOX Series addresses this directly. Built-in Wi-Fi lets you check state of charge, monitor energy flows, and track system health from your smartphone no additional monitoring hardware, no subscription service, no extra steps.

USB, RS485, and CAN communication ports ensure the battery integrates cleanly with compatible inverters and energy management platforms, giving installers and system integrators the flexibility they need without workarounds.

Five Years. Standing Behind Every Unit.

SM Solar Pvt. Ltd. offers a 5-year warranty on every ES-BOX unit and that commitment says something. It says the engineering is sound, the components are quality, and the manufacturer is confident enough in their product to stand behind it for half a decade.

For a battery system that will form a central part of your energy infrastructure for years to come, that level of backing is as important as any number on the spec sheet.

The Solectra ES-BOX Series is available in 2.56kWh and 5.12kWh. Wherever you are starting from, it is a platform built to grow with you and to keep delivering long after the alternatives have started to fade.

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