SAJ EK90 Series HS5 AI All-in-one Energy Storage System

EK90 Series
HS5 All-in-One Solution

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EK90 Series HS5 All-in-One Solution

 The EK90 Series HS5 is a next-generation smart home energy butler that directs every kWh of electricity to its most valuable use. Powered by AI-driven collaborative optimization across power generation, energy storage, smart appliances and dynamic electricity pricing, this AI all-in-one energy storage system significantly boosts energy efficiency, cuts household electricity costs, ensures stable and secure whole-house power supply, and builds a smarter, more efficient premium smart energy ecosystem for modern homes.

As an intelligent smart energy storage system, the EK90 Series HS5 integrates PV generation, battery storage, EV charging and smart home connectivity into one seamless platform for modern residential energy management. Designed for modern households, the EK90 Series HS5 delivers a premium solar energy storage system solution for long-term energy independence and smarter living.

 

 

Modular Design & APP-assisted Installation

EK90 Series HS5 modular design simplifies installation with no disruption to your daily routine. One tap on the mobile APP completes setup in 3 steps. The system automatically verifies installation, remotely calibrates minor deviations to cut errors.

As a modern all-in-one energy storage system, it is equipped with a built-in LoRa communication module, supporting fast and stable long-range wireless meter networking—eliminating the need for complex wiring and simplifying deployment.

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Modular Design

 

Blind Mate Connector

 

App Assistance

 		 Wireless-pro Meter

5-layer Battery Protection

Safety is paramount for this home battery energy storage system. Its battery features a 5-layer protection system, eliminating hazards for stable, reliable long-term use and round-the-clock safety for your family.

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Temperature Sensor
Aerosol Fire Suppression
Thermal Insulation Board
V2 Fireproof Material
Pressure Relief Valve

Whole-home Backup

No more disruptions from sudden power outages. This smart energy storage system seamlessly switches to backup power during blackouts or system maintenance, keeping critical appliances like refrigerators, air conditioners and water heaters running normally.

SAJ EK90 Series HS5 AI Energy Management System For Whole-home Backup
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63A Bypass
Built-in ATS
Seamless Power Switching

Enhanced Load Flexibility

Designed as an advanced residential energy storage system, the EK90 Series HS5 delivers stable and reliable power for real household loads, even under highly unbalanced conditions. The three-phase system supports load imbalance with up to 50% of rated power per phase, ensuring consistent performance and improved comfort for everyday home energy use.

AI Saving 3.0

SAJ's AI energy management system automatically optimizes strategies for power generation, storage and consumption by combining weather data and electricity rates, putting real money back in your pocket every month. It delivers efficient, hassle-free operation while ensuring stable whole-home energy supply for modern solar energy storage systems.

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90%
Solar Prediction Accuracy
90%
Consumption Forecast Accuracy
100+
Dynamic Tariff Integrations
VPP Ready

Smarter Ecosystem

Powered by elekeeper 5.0 EMS, the EK90 Series HS5 enables a fully integrated smart energy storage system ecosystem—connecting and intelligently coordinating PV, storage, EV charger, heat pump, and smart devices to maximize efficiency and minimize energy costs.

EK90 integrates a DC EV charging module with bidirectional capabilities, serving as an EV–Home–Grid energy bridge for seamless energy flow, backup power, and intelligent energy management.

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Smart Home Energy
V2G/V2H
AI Energy Optimization

Long-Term Peace of Mind and Lasting Value

The large-capacity battery with 15% higher energy density and longer lifespan keeps your daily power use hassle-free. Designed for long-term home battery energy storage system performance, it helps avoid frequent replacements, reduce unnecessary costs, and ensure stable operation for years.

Backed by a 15-year warranty, this premium smart energy storage solution delivers long-term reliability and peace of mind for modern residential energy applications.

Long Lifespan Home Battery Energy Storage System With 15-Year Warranty
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314 Ah Cell
10,000 Cycles
Automotive-Grade Components

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