HS5 Series
All-in-One Solution

Your Ultimate Smart Home Butler.

HS5 Series | EK90
HS5 Series | EK70

HS5 Series is an AI-powered All-in-One solution that intelligently optimizes solar generation, storage, and energy use—maximizing efficiency, lowering costs, and delivering smarter, more reliable power for the every home.

Faster Installation

● Modular & Plug-and-Play Design
● App-assisted Rapid Installation
● Wireless-pro Meter

Safer System

● UL 9540A & UL 9540B
● 5-layer Battery Protection
● Whole-home Backup

More Saving

● AI Saving 3.0
● High-precision Forecasting
● Multi-scenario Support

Smarter Ecosystem

● Whole-house Appliances Interconnection
● EV–Home–Grid Energy Bridge
● AI Energy Optimization

Installation, Upgraded.

From installation to commissioning, HS5 Series | EK90 / EK70 is engineered to make every step faster and easier. Modular design, blind-mate connections, wireless metering, and intelligent commissioning help reduce wiring, minimize errors, and cut time on site.


Modular Design	Blind Mate Connector	App Assistance	Wireless-pro Meter

Safety, Engineered into Every Layer.

HS5 Series | EK90 / EK70 is built with a comprehensive safety architecture designed to prevent, detect, and control potential risks—helping protect your energy system and your home throughout the battery lifecycle.


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.


63A Bypass	Built-in ATS	Seamless Power Switching

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.


95% Solar Prediction Accuracy	90% Consumption Forecast Accuracy	100+ Dynamic Tariff Integrations	VPP Ready

One Ecosystem. Smarter Home.

Powered by SAJ elekeeper EMS, HS5 Series | EK90 / EK70 connects solar, battery, EV charging, heat pumps, and more into one intelligent energy ecosystem—optimizing how your home generates, stores, and uses energy for smarter, more efficient living.


Smart Home Energy	V2G/V2H (EK90)	AI Energy Optimization

Performance That Lasts. Value That Endures.

Designed for long-term home battery energy storage system performance, it helps avoid frequent replacements, reduce unnecessary costs, and ensure stable operation for years.