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EcoFlow PowerOcean 2 5.02kWh Battery Module
#3: 8221
EcoFlow Ocean 2 Datasheet
EcoFlow Oceean 2 User Manual
EcoFlow App Manual
EcoFlow G-98 Certification
EcoFlow Warranty
The EcoFlow PowerOcean 2 5.02kWh Battery Module is a premium, high-voltage lithium battery designed for use with the EcoFlow PowerOcean 2 and PowerOcean 2 Plus hybrid inverter systems. Featuring a modular, stackable design, it allows homeowners to build a flexible battery storage solution that grows with their energy requirements.
With 100% Depth of Discharge (DoD), advanced safety technology and an industry-leading 15-year warranty, the PowerOcean 2 battery delivers exceptional performance, reliability and long-term value for residential solar energy storage.
Key Features
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5.02kWh usable battery capacity
- Compatible with EcoFlow PowerOcean 2 and PowerOcean 2 Plus hybrid inverters
- Stackable modular design for easy expansion
- Supports up to 60kWh total storage capacity (PowerOcean 2 Plus systems)
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100% Depth of Discharge (DoD) for maximum usable energy
- Advanced 10-layer battery protection system
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IP66 weatherproof rating for indoor or outdoor installation
- Wide operating temperature range of -20°C to +55°C
- 15-year manufacturer's warranty
Flexible Modular Expansion
The PowerOcean 2 battery system is designed to grow alongside your home's energy demands.
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PowerOcean 2 Systems: Support up to 6 battery modules connected to a single battery base.
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PowerOcean 2 Plus Systems: Support two battery stacks using the dedicated battery base and junction box, providing up to 60kWh of total energy storage.
The batteries are also cross-generation compatible with selected EcoFlow PowerOcean LFP batteries, allowing existing installations to be expanded with minimal disruption. When mixing PowerOcean 2 and earlier PowerOcean LFP batteries, a maximum of four batteries per stack is supported.
Advanced 10-Layer Battery Protection
Engineered for maximum safety and reliability, the PowerOcean 2 battery incorporates an advanced 10-layer protection system, combining passive and active safety technologies.
Passive Protection
- Aerogel thermal insulation
- Fire-resistant insulation
- FPC short-circuit protection
- Integrated fire protection module
- Explosion-pressure relief valve
- Robust aluminium alloy enclosure
Active Protection
- Continuous NTC temperature monitoring
- Intelligent Battery Management System (BMS)
- Multi-layer cell balancing protection
- Cloud-based BMS monitoring with early warning diagnostics
This comprehensive protection system helps maximise battery lifespan while providing outstanding safety throughout the product's lifetime.
Built for Long-Term Performance
Designed for demanding residential energy storage applications, the EcoFlow PowerOcean 2 battery delivers reliable performance in a wide range of environments. Its IP66-rated enclosure protects against dust and water ingress, making it suitable for both indoor and outdoor installations, while its 100% usable capacity ensures homeowners can make full use of every stored kilowatt-hour.
Technical Specifications
| Specification |
Value |
| Battery Capacity |
5.02kWh |
| Battery Type |
High-Voltage Lithium (LFP) |
| Nominal Voltage |
400V |
| Operating Voltage |
360–520V |
| Maximum Charge Power |
2,500W |
| Maximum Discharge Power |
3,400W |
| Depth of Discharge |
100% |
| Operating Temperature |
-20°C to +55°C |
| Protection Rating |
IP66 |
| Dimensions |
679.6 × 195.6 × 494.8mm |
| Weight |
54.6kg |
| Warranty |
15 Years |
Please note: The PowerOcean 2 Plus range is currently not compatible with the EcoFlow Single-Phase Gateway.
The EcoFlow PowerOcean 2 builds on the success of the original PowerOcean platform with a host of improvements designed to simplify installation, enhance safety and deliver a smarter home energy experience.
Key Advantages of PowerOcean 2
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Faster Installation – A redesigned modular system with integrated handles, captive screws and fewer components significantly reduces installation time.
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More Compact Design – Occupies just 0.15m² of floor space, making it ideal for homes where space is limited.
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Enhanced Safety – New 10-layer battery protection system incorporating advanced thermal insulation, fire protection and intelligent cloud-based battery monitoring.
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Smarter Energy Management – Enhanced EcoFlow HEMS automatically optimises battery charging and discharging based on household usage and dynamic electricity tariffs.
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Cross-Generation Compatibility – Compatible with existing PowerOcean LFP batteries, making future upgrades straightforward.
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Improved Scalability – Up to 30.12kWh storage with PowerOcean 2, or up to 60kWh when paired with the PowerOcean 2 Plus inverter.
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Integrated Whole-Home Backup (PowerOcean 2 Plus) – Built-in 0ms backup switching and smart meter reduce installation costs while providing seamless power during grid outages.
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Built for Outdoor Installation – IP66-rated battery system and weather-resistant design suitable for indoor or outdoor mounting.
The Bottom Line
Compared with the original PowerOcean, the PowerOcean 2 is easier to install, safer, more intelligent and more flexible. With longer warranty coverage, enhanced battery protection, smarter energy management and higher storage scalability, it offers a future-ready solution for homeowners looking to maximise solar self-consumption and energy independence.
