Battery from EcoFlow 800.0V EcoFlow PowerOcean DC Fit 5,1 KWh (Floor) with 5.1KWH capacity

EcoFlow EcoFlow PowerOcean DC Fit 5,1 KWh (Floor) (5.1 kWh) Battery Home battery High voltage

A simple and unique PV-coupled battery retrofit solution for homes with solar systems that don't have one have storage. Made possible by seamlessly integrating a battery of up to 15 kWh into your home solar system EcoFlow PowerOcean DC Fit offers its users simple and cost-effective energy self-sufficiency

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Performance data

Type	Storage
Capacity	5 KWh
Efficiency	n/a
Voltage	800 V
Voltage min	720 V
Voltage max	960 V

Measurements

length	680 mm
width	201 mm
Height	682 mm
weight	77 kg

Manufacturer warranty

Product warranty

n/a

Certificates

German

Data Sheet

English

Data Sheet
Manual
Other

EcoFlow PowerOcean DC Fit (5.1 kWh) – Retrofit Battery Storage for Existing PV Systems

Product Overview

The EcoFlow PowerOcean DC Fit 5.1 kWh is a high-voltage LiFePO4 battery storage solution, designed for seamless integration with existing photovoltaic (PV) systems. This DC-coupled retrofit solution allows homeowners to add battery storage without replacing their existing solar inverter or installing a separate battery inverter.

With a modular design supporting up to 15.3 kWh, plug-and-play installation, and natural convection cooling, the PowerOcean DC Fit offers an efficient and cost-effective way to enhance solar self-consumption and energy independence.

Technical Data & Specifications

Battery System

Battery Type: Lithium Iron Phosphate (LFP)
Nominal Capacity: 5.1 kWh
Nominal Voltage: 800 V DC
Operating Voltage Range: 720 – 960 V DC
Maximum Charge Power: 4.8 kW
Maximum Discharge Power: 5.2 kW
Maximum Charge/Discharge Current: 6 A DC / 6.5 A DC
Scalability: Expandable up to 15.3 kWh (3 battery modules)

EcoFlow PowerOcean PV Storage Converter (EF PD-5-S1)

Max PV Input Power: 5 kW (2.5 kW per string)
Max PV Input Voltage: 1,000 V DC
Operating Voltage Range: 150 – 800 V DC
Max PV Input Current: 20 A per string
Supported Inverter Types: 1-Phase, 3-Phase
Bypass Power: 15 kW per string

Mechanical & Environmental Data

Dimensions (W x D x H): 680 × 201 × 682 mm
Weight: 77.3 kg
Installation Type: Floor-standing
Operating Temperature: -20°C to +50°C
Humidity Range: 4% – 100% (condensing)
Altitude Limit: ≤ 3000 m
Protection Rating: IP65 (Indoor & Outdoor Use)
Cooling Method: Natural Convection
Noise Level: ≤ 35 dB

Certifications & Compliance

Battery Safety Certifications: CE, EN62619:2022, EN62040-1:2019, EN62477-1:2012, ISO13849-1:2015, VDE-AR-E-2510-50:2017-05
EMC Compliance: EN 61000-6-1, EN 61000-6-3
Communication Interfaces: Ethernet, Wi-Fi, Bluetooth, RS485

Key Features for Installers

✔ Seamless Retrofit Integration – No need to replace the existing solar inverter
✔ Scalable Energy Storage – Expandable up to 15.3 kWh
✔ High Efficiency – DC-coupled design minimizes conversion losses
✔ Easy Installation – No modification to AC wiring required
✔ Plug & Play Setup – Faster installation and lower costs
✔ Reliable Performance – IP65-rated for indoor and outdoor use
✔ Smart Monitoring – Control and monitor via EcoFlow Pro App & Web Portal

Why Choose the EcoFlow PowerOcean DC Fit (5.1 kWh)?

The EcoFlow PowerOcean DC Fit 5.1 kWh is an innovative, cost-effective retrofit battery solution, enabling homeowners to upgrade their existing PV system without additional inverters or complex rewiring. With high efficiency, advanced safety features, and modular expandability, it provides a future-proof energy storage solution for maximizing solar self-consumption and energy independence.

EcoFlow

EcoFlow, founded in 2017 by battery engineers, is a pioneer in portable power products, solar technology and intelligent smart home energy solutions. As the world transitions to renewable energy, EcoFlow is shaping the future with innovative products and leading technology.