EcoFlow energy storage

The EcoFlow PowerOcean LFP Battery answers exactly this challenge. Built on modular 5 kWh units, the system lets you size storage capacity precisely to the project at hand, with the option to expand later through parallel connection, without any major rework to the existing installation. A high 95% usable capacity (DoD) and a 6,000-cycle design life give you a competitive baseline for payback calculations, while the 15-year manufacturer warranty provides long-term investment security for both the end customer and the installer recommending the project.

The LFP (lithium iron phosphate) cell chemistry delivers outstanding fire safety and thermal stability even under demanding operating conditions, and built-in cell-level temperature monitoring along with multiple layers of protection keep the system stable even in extreme climates. The compact, floor-standing or wall-mountable units allow for fast, straightforward commissioning when paired with compatible EcoFlow hybrid inverters — a real advantage for installer partners, meaningfully reducing on-site labour time and system integration risk.

Explore the full range of EcoFlow energy storage solutions and choose the option that best fits your project's technical and business requirements!

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Have a question about our products?

As a B2B partner, please reach out to your designated sales contact — our colleagues are happy to help and answer any questions you may have about the EcoFlow energy storage system you've selected.

You'll also find plenty of useful information in the frequently asked questions below:

Which system is this battery best suited for?

The EcoFlow PowerOcean LFP Battery is a 5 kWh modular storage unit designed to pair with EcoFlow's hybrid inverter range, making it a strong fit for residential, larger single-family, and smaller commercial solar systems. According to the manufacturer's datasheet, each unit delivers 5.12 kWh of nominal capacity at a nominal voltage of 800V (720–960V charging range), with an output power of 3.3–5 kW depending on the paired inverter. Because the battery shares its high-voltage architecture with both the standard PowerOcean Hybrid Inverter (6–12 kW) and the larger PowerOcean Plus Hybrid range (15–29.9 kW), the same building block can be used from single-household installations up to larger, multi-unit commercial configurations. This shared platform is a real advantage for installers, since it means one battery product and one set of installation practices can cover a wide range of project sizes. If you're specifying storage for a project where the exact future capacity isn't fully locked in yet, starting with this modular unit keeps your options open.

What does DoD mean, and why does it matter before purchase?

DoD (Depth of Discharge) indicates, as a percentage, how much of a battery's capacity can be safely used in each cycle without accelerating long-term degradation. The EcoFlow PowerOcean LFP Battery has a nominal capacity of 5.12 kWh but a usable capacity of 4.8 kWh, which corresponds to a 95% DoD — a figure you should use when calculating realistic payback periods, rather than the nominal capacity alone. A round-trip efficiency of around 94% is also relevant here, since it tells you how much of the energy you put into the battery you actually get back out during discharge. High DoD and high round-trip efficiency directly translate into better self-consumption rates and a shorter payback period for the end customer. LFP (lithium iron phosphate) chemistry, as used in this battery, tolerates deep discharges considerably better than other lithium-based chemistries, which is exactly why manufacturers can safely rate it this high without compromising the 6,000-cycle design life.

Can the EcoFlow PowerOcean LFP Battery be expanded later?

Yes — the battery is built on a modular, parallel-connection architecture, so additional 5 kWh units can be added to an existing system as project needs grow, without replacing the original installation, when paired with compatible EcoFlow hybrid inverters. Because the battery and the PowerOcean Plus inverter range share the same 800V architecture, this modular building block is also what allows PowerOcean Plus systems to scale up to 180 kWh through parallel connection, according to EcoFlow's official product documentation. For installers, this means capacity planning doesn't have to be finalised on day one: a system can start small and grow in step with the client's actual consumption or a phased project rollout. That said, future expansion should still be planned for at the design stage, since inverter sizing and the electrical connection need to be dimensioned with the eventual target capacity in mind. Getting this right up front avoids costly rework later and keeps the system compliant with the inverter's rated input range.

Does the energy storage system require maintenance?

EcoFlow's LFP-based storage units require very little ongoing maintenance: there are no moving parts, the LFP cell chemistry doesn't need topping up or periodic servicing, and the built-in battery management system (BMS) continuously monitors state of charge, temperature, and cell-level balance on its own. Through the EcoFlow app and web portal, installers and end customers can track the system's status in real time from a phone or browser, which makes it easy to catch anomalies early rather than discovering them during a scheduled site visit. An annual check — tightening connectors, confirming firmware is current, and verifying communication between the inverter and the battery — is still recommended, but this is a minimal time investment that fits naturally into routine solar system maintenance. The IP65-rated, floor-standing or wall-mounted enclosure also means the unit is built to tolerate typical installation environments without extra protective measures.

How safe is the LFP battery chemistry?

LFP (lithium iron phosphate) is widely regarded in the industry as one of the most thermally stable lithium battery chemistries available, and it's the reason EcoFlow can back this battery with a 15-year warranty and a 6,000-cycle design life. The battery includes cell-level temperature monitoring and multiple layers of protection designed to prevent thermal events before they can develop, which matters especially for indoor or wall-mounted installations in occupied buildings. Compared with NMC (nickel manganese cobalt) chemistries, LFP has a higher thermal runaway threshold and degrades more predictably under deep, repeated discharge cycles — which is also why manufacturers are comfortable rating it for a 95% DoD. For installers, this translates into fewer safety compliance concerns and a more straightforward conversation with clients who are cautious about battery storage in or near their home. None of this replaces proper installation practice, but it does mean the underlying cell technology gives you a solid safety margin to work with.

Opinions and recommendations from SOLARKIT experts

Based on installer feedback and market experience, EcoFlow PowerOcean LFP energy storage systems are increasingly regarded as one of the more compelling options in the hybrid solar market. Installers particularly value the modular design: capacity can be added gradually in 5 kWh increments — scaling, according to EcoFlow's official specifications, up to 180 kWh through parallel connection on the PowerOcean Plus platform — so the system can be resized after the fact as a project's actual energy needs evolve, for both residential and commercial applications.

Feedback also rates the battery's safety design highly: independent reviews describe the LFP (lithium iron phosphate) cell chemistry as "robust," backed by built-in fire-prevention safeguards, cell-level temperature monitoring, and a detailed battery management system. The 15-year manufacturer warranty and 6,000-cycle design life are considered among the strongest terms available for residential and light-commercial storage, giving both end customers and the installers recommending the project long-term investment security.

On the day-to-day side, reviewers highlight how clear the EcoFlow app and web portal are for tracking state of charge, charge/discharge cycles, and consumption data, with automated modes such as self-consumption optimisation and tariff-based charging making daily operation more convenient. The unit's quiet, compact design — suitable for indoor, floor-standing or wall-mounted installation — also receives positive mentions, which matters for both residential and smaller commercial sites.

To give a balanced picture, market feedback also notes that larger, higher-capacity storage configurations require a bigger upfront investment, and the payback period depends heavily on the electricity tariff and consumption profile in place — so it's always worth calculating based on the specific project's numbers rather than general assumptions. That doesn't change the fact that the underlying battery technology, safety design, and expandability provide a stable, reliable foundation for the investment.

SOLARKIT's experts note that the EcoFlow PowerOcean LFP Battery is a reliable, future-proof choice for installers and resellers looking for a modern, well-monitored, and flexibly expandable storage solution for residential or light-industrial solar projects. Starting from a single 5 kWh unit and scaling up through parallel connection makes it straightforward to match storage capacity precisely to a project's requirements, supporting efficient, stable operation over the long term. You'll always find up-to-date stock and pricing information in the SOLARKIT B2B webshop, and our dedicated sales representatives are ready to help you select the right EcoFlow configuration for your project.