The SAJ HS3 is a revolutionary 6-in-one, AI-powered home battery energy storage system that integrates a Solar Inverter, EV AC Charger, Battery PCS, Battery Pack, Backup Unit, and EMS into one sleek, ultra-compact unit.
Experience smart home solar energy battery storage system with SAJ HS3 at its best with maximum efficiency, savings, flexibility, and resilience all in one package. Designed as an advanced home solar and battery storage system, the HS3 Series helps homeowners build a smarter and more reliable solar system for home with battery backup capability.
Installer
Simplified Installation
Modular design and plug-in terminals drastically cut installation time.
One-Stop Energy Solution
High integration and future-proof scalability simplify projects and meet growing homeowner energy needs.
Home Owner
Lower Energy Bills
AI-optimized EMS with One-Click Savings and smart scheduling maximizes cost savings.
Reliable Home Energy
Extreme temperature durability, fire suppression, and integrated backup ensure peace of mind.
- Max. 20A Input Current
- 5- 40 kWh Capacity Range
- Built-in DC/DC optimiser
- Integrated 7/11kW EV Charger
6-in-1 Smart Home Energy
A revolutionary AI-powered home power storage system integrating a Solar Inverter, EV AC Charger, Battery PCS, Battery Pack, Backup, and EMS into one powerful unit. Designed for modern solar power systems with battery storage, the HS3 Series delivers intelligent energy management, flexible scalability, and reliable whole-home backup power.
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One-Stop Energy Hub
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AI-Driven Energy Optimization
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Seamless Integration & Control
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7/24 Whole-house Backup Power
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One-Stop Smart Energy Management System
Empowered by our Smart Energy Management System, elekeeper, the HS3 Series revolutionizes smart home solar battery systems and intelligent household energy management.
This all-in-one household energy storage system comprehensively monitors and intelligently manages energy generation, storage, and consumption, optimizing allocation and scheduling to significantly lower electricity costs while improving overall energy independence.
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One-Click Savings
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One-Click Diagnosis
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Smart Energy Scheduling & Dispatch
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Energy Trading
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Space-Saving Design & Simplified Installation
Ultra-slim 17cm profile for flexible installation. The HS3 series all-in-one energy storage system combines a modern, space-saving design with an incredibly user-friendly installation process.
Its ultra-thin profile and modular design make it a perfect fit for any home, while plug-and-play connectivity ensures a hassle-free setup experience. Scalability allows this home solar battery system to adapt to homeowners’ changing energy demands and evolving solar plus battery system requirements.
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17cm Ultra-thin Body
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Modular Design
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Plug-and-Play Connectivity
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Scalable Capacity
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Enhanced Performance & Safety
The HS3 Series solar storage system for home is engineered for unwavering reliability and safety. Designed as a dependable whole home solar system with battery backup, it delivers stable performance across a wide range of residential energy applications.
Built to withstand extreme temperatures (-30°C–50°C), it features advanced fire suppression technology, flexible battery integration, and simplified expansion for growing household energy needs.

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Extreme Temperature Operation
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Integrated Fire Suppression
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Battery Compatibility
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Simplified Expansion
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