6KW 15KWH 280AH All-in-One Solar Energy Storage System with IP65 Protection EH-27

The EH-27ESS is a 6KW all-in-one solar energy storage system with a 15KWH battery, designed for residential solar energy applications. Integrating a solar inverter and battery storage in one unit, it supports solar energy utilization, battery charging and backup power supply. With IP65 protection, dual MPPT trackers, WiFi monitoring and multiple communication interfaces, it provides a compact solution for home energy storage projects and professional solar installations.

Parameter Specification
Model EH-27ESS / ESS HY 6KW+15KWH
System Type All-in-One Solar Energy Storage System
Rated Inverter Output Power 6KW
Rated Battery Energy 15KWH
Usable Battery Energy 13.5KWH at 90% DOD
Nominal Battery Voltage 51.2VDC
Battery Operating Voltage 40.0–58.4VDC
Display LCD
Monitoring WiFi
Communication RS485 / RS232
Ingress Protection IP65
Parameter Specification
Maximum PV Input Power 9KW
Maximum PV Open-Circuit Voltage 550V
MPPT Voltage Range 80–500VDC
Full Power MPPT Voltage Range 250–500VDC
Start-up Voltage 90V
Maximum Input Current per MPPT 19A / 19A
Maximum Short-Circuit Current 25A / 25A
Number of MPPT Trackers 2
Nominal Input Voltage 360V
Maximum MPPT Efficiency 99.00%
Parameter Specification
Rated Output Power to Grid 6KW
Maximum Apparent Power to Grid 6KVA
Maximum Apparent Power from Grid 6KVA
Maximum Apparent Current from Grid 26.1A
Nominal Output Current 26.1A
Output Current to Grid 26.1A
Nominal Voltage 230V
Voltage Range 176–280V
Frequency 50/60Hz
Connection L+N+PE
Adjustable Power Factor 0.8 Leading–0.8 Lagging
Total Harmonic Distortion of Current Less than 2%
Parameter Specification
Rated Backup Output Power 6KW
Maximum Apparent Power 6KVA
Nominal Output Current 26.1A
Maximum Output Current 26.1A
Nominal Voltage 230V
Voltage Range 176–238V
Frequency 50/60Hz
Connection L+N+PE
Automatic Switching Time Less than 20ms
Total Harmonic Distortion of Voltage Less than 2%
Overload Capacity 110% for 10s / 130% for 3s / 150% for 50ms
Parameter Specification
Maximum Efficiency 96.65%
European Efficiency 97.50%
Maximum Battery Charge/Discharge Efficiency 94.60%
Battery Operating Temperature -10°C to +50°C
Inverter Operating Temperature -10°C to +50°C
Storage Temperature -15°C to +60°C
Relative Humidity 5–95%, non-condensing
Maximum Operating Altitude 4000m; derating above 1000m
Parameter Specification
Product Dimensions 600 × 245 × 1300mm
Package Dimensions 1370 × 700 × 420mm
Net Weight 174kg
Gross Weight 198kg

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The EH-27ESS is a 6KW all-in-one solar energy storage system with a 15KWH battery, designed for residential solar energy applications. Integrating a solar inverter and battery storage in one unit, it supports solar energy utilization, battery charging and backup power supply. With IP65 protection, dual MPPT trackers, WiFi monitoring and multiple communication interfaces, it provides a compact solution for home energy storage projects and professional solar installations.

1. All-in-One System Design
Combines a 6KW solar inverter and 15KWH battery storage in one integrated unit, simplifying system layout.

2. 15KWH Rated Battery Energy
Provides 15KWH rated battery energy and 13.5KWH specified usable energy at 90% depth of discharge.

3. Dual MPPT Solar Tracking
Features two MPPT trackers and a maximum MPPT efficiency of 99% for solar energy conversion.

4. IP65 Protection
Designed for protection against dust and water ingress, subject to the specified IP65 test conditions.

5. WiFi Monitoring
Supports WiFi monitoring and provides an LCD display for system status information.

6. Multiple Communication Interfaces
Includes RS485 and RS232 communication interfaces for system communication.

7. Backup Power Function
Provides a specified 6KW backup output with an automatic switching time of less than 20ms under the conditions defined by the manufacturer.

8. Flexible Solar System Integration
Supports PV input up to 9KW and a maximum PV open-circuit voltage of 550V, within the specified operating limits.

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YiFang specializes in batteries, chargers, battery packs, and power solutions, including Li-ion, LiMn (IMR), Ni-MH, and LiFePO₄ batteries.

Yes, we offer flexible OEM and ODM customization, including product design, specifications, and packaging to meet your exact requirements.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

YiFang operates its own factory with automated production lines, producing up to 100,000 units daily, ensuring consistent quality and timely delivery.

You can contact us via our website inquiry form, email, or phone. Our team is ready to provide professional guidance and customized solutions.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

Our products are widely used in e-cigarettes, UAVs, balance scooters, electric bikes, electronic equipment, toys, flashlights, and other commercial and industrial applications.

We provide 6–12 months warranty, responsive customer support, and global insurance coverage for long-term reliability and customer peace of mind.

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