Official Sourcing Channels
We supply 100% genuine All-in-One Energy Storage Systems sourced directly from leading manufacturers, backed by full original factory warranties.
All-in-One Energy Storage Systems for Home Backup, Self-Consumption, and C&I Energy Projects
Use HS2, HS3, and CHS2 when the project needs inverter, battery, EMS, and backup capability in one coordinated path.
Choose by capacity range, installation scope, and control requirement. Sunriver helps buyers compare system fit, documents, and quote timing.
Which All-in-One Energy Storage System Fits the Project?
We provide a curated portfolio of all-in-one energy storage systems, each engineered to deliver specific outcomes for your clients. Explore how you can achieve these results for residential, commercial, and industrial applications.
Reliable, Expandable Home Energy Security
Target:
Residential clients needing dependable
backup
Power:
3kW – 10kW Inverter Output
Features:
Modular Battery (up to 25kWh), <10ms UPS Function
How It's Delivered: HS2 Series provides modular battery design and proven <10ms UPS function for reliable protection and scalability.
Target:
For residential clients needing dependable backup and higher solar self-use with a modular design.
Power Range:
3kW – 10kW Inverter Output
Key Features:
Modular Battery (up to 25kWh), <10ms UPS Function, IP65 Outdoor Rating, AC Retrofit Capable.
How It's Delivered:
Our HS2 Series excels here. Its modular battery design (up to 25kWh) and proven <10ms UPS function provide both reliable protection today and scalability for tomorrow.
How All-in-One ESS Handles Self-Consumption, TOU, and Backup
At its core, an All-in-One ESS is your personal energy command center. It automatically directs power from solar, the integrated battery, and the grid to meet your goals. Let's explore its primary operating modes:
Mode 1: Maximizing Self-Consumption
How It Works
During the day, your solar power is used first to power your home. Any excess energy automatically charges the integrated battery, instead of being sent to the grid.
Your Benefit
Drastically reduces your reliance on purchased grid electricity, maximizing the value of your solar investment by allowing you to use your own free energy, day and night.
Mode 2: Time-of-Use (TOU) Cost Savings
How It Works
The system can be programmed to charge the battery with cheap off-peak grid power and then discharge it to power your home during expensive peak-rate hours.
Your Benefit
Actively lowers your electricity bills by outsmarting utility tariffs. This is especially valuable in areas with high peak energy prices.
Mode 3: Uninterrupted Backup Power
How It Works
If the utility grid fails, the All-in-One system instantly (<10ms) disconnects and uses the stored battery energy to power your essential circuits.
Your Benefit
Provides true UPS-level protection, keeping your lights, refrigerator, internet, and critical equipment running seamlessly during a blackout.
Mode 4: Advanced EV Charging & System Integration
How It Works
Advanced models like the HS3 can intelligently charge your EV using solar or stored battery power. The CHS2 can even integrate with a backup generator for ultimate resilience.
Your Benefit
Creates a complete, intelligent home or business energy ecosystem, optimizing all your major energy assets from a single point of control.
Why Buyers Choose This All-in-One ESS Portfolio
The All-in-One energy systems we supply are designed to deliver a superior user experience from installation to daily operation. Here are three core advantages of choosing an integrated solution from our portfolio:
Ultimate Simplicity and Integration
Enjoy truly hassle-free installation and a sleek, single-unit design. The inverter, battery, and BMS are factory-engineered to work together perfectly.
Factory Pre-Integrated
Faster Setup Time
Space-Saving Footprint
Enhanced Aesthetics
Advanced Smart Energy Management
Maximize self-consumption (up to 80%+), reduce bills with intelligent modes, and enjoy integrated features like 7kW/11kW EV charging.
Intelligent EMS Inside
Multiple Operating Modes
EV Charger Integration
Grid Service Ready
Comprehensive Safety & Reliability
Benefit from multi-layered battery protection (BMS, self-heating, fire safety options) and a robust IP65 rated design for long-term peace of mind.
Advanced BMS Protection
Integrated Safety Systems
Certified LFP Batteries
Durable IP65 Enclosure
Core Specs of All-in-One ESS
HS2 Three Phase All-in-One Solution: HS2-10K-T2-X
Inverter Performance & PV Input
Nominal AC Output Power
10,000 W
Robust three-phase power for larger homes or SMEs.
Max. PV Array Power
15,000 Wp
Supports substantial solar capacity for high energy needs.
Max. Efficiency (PV to AC)
97.6%
High conversion efficiency for optimal solar utilization.
Integrated Battery System
Battery Type
LiFePO4 (LFP)
Safe and long-lasting lithium iron phosphate technology.
Battery Energy Capacity
5.0 - 25.0 kWh
Flexible, expandable storage to match varying needs.
Max. Charge/Discharge Current
30 A / 30 A
Efficient power flow for the integrated battery system.
Key Features & Operational Data
UPS Switch Time
<10 ms
Seamless backup power, protecting critical loads.
Protection Degree
IP65
Durable design suitable for outdoor installation.
Communication
Wi-Fi/Ethernet
Flexible remote monitoring via eSolar platform.
All-in-One ESS Showcase
Experience the simplicity and power of our integrated energy storage systems, from residential to commercial scale.
Installation Guide
HS2 ALL-IN-ONE Residential Energy Storage Solution Installation Guide
Complete installation walkthrough for the HS2 residential ESS.
CHS2 Series
Revolutionize Energy Storage Solutions with SAJ C&I Smart PV&ESS CHS2 series
Discover the CHS2 series for commercial and industrial applications.
HS2 Overview
Explore HS2 series residential energy storage system
A detailed look into the features of the HS2 residential ESS.
Webinar
HS2 Webinar in English
An in-depth webinar covering the HS2 series for English-speaking audiences.
HS3 Series
SAJ Latest Smart Home Energy Storage System - HS3 Series
Introducing the next generation of smart home ESS, the HS3 series.
CHS2 Solution
SAJ CHS2 ALL-IN-ONE hybrid energy storage solution
An overview of the all-in-one CHS2 hybrid storage solution.
Smart PV&ESS
SAJ C&I Smart PV&ESS All-in-One Solution CHS2 series
Presenting the CHS2 series for commercial and industrial smart energy.
6 Key Advantages of Sourcing Your All-in-One ESS with Sunriver Electric
Choosing the right supplier is crucial to protect that investment and ensure project success. Here’s how Sunriver Electric provides a superior procurement experience.
Simplified Global Sourcing
Our expert team simplifies complex international trade processes for All-in-One Energy Storage Systems, ensuring a hassle-free procurement experience.
Clear, Actionable Data
Access accurate, up-to-date specifications and grid compliance details for all the All-in-One Energy Storage Systems in our curated portfolio.
Complete On-grid Range
From single-phase/three-phase residential to high-power three-phase industrial, access a complete lineup of All-in-One Energy Storage Systems (HS2, HS3, CHS2) through us.
Responsive, Professional Service
Our dedicated team provides prompt support for your All-in-One ESS inquiries and orders, guaranteeing responses within 1 business day.
Focused On-grid Expertise
With 5+ years specializing in PV technology, we understand the specific technical and commercial nuances of All-in-One Energy Storage System projects.
Client Testimonial
"Deploying solar-plus-storage used to mean complex integration. The SAJ HS3 All-in-One from Sunriver Electric completely changed that for us. The plug-and-play design drastically cut our installation time, and the integrated EV charger is a brilliant selling point. Sunriver's professional handling of this integrated system, from clear specs to secure logistics, made the whole process incredibly efficient. They are our go-to for All-in-One solutions.
"
Muhammad Naeem
Renewable Energy Engineer at SkyElectric
Proven in the Field: All-in-One Systems Supplied by Sunriver Electric
Our B2B partners across Europe rely on us to supply robust and intelligent All-in-One energy storage systems for their diverse projects. See how the solutions we provide deliver real results.
Delivering a Smart Home Hub with EV Charging in the Netherlands
Smart Home Hub, Netherlands
The Challenge:
A Dutch installer needed a sleek, highly integrated All-in-One solution for a tech-savvy homeowner who wanted to maximize solar self-use and charge their new EV conveniently.
Sunriver's Solution:
We supplied the SAJ HS3-6K-S2-W/G-PX, which perfectly met the need with its integrated 7kW EV charger and advanced Energy Management System, all in one slim unit.
The Result:
The installer delivered a future-proof home energy hub, achieving >75% energy self-sufficiency for the client and simplifying their smart energy lifestyle.
Ensuring Business Continuity for a German Enterprise
Enterprise Facility, Germany
The Challenge:
A German integrator required a reliable ESS for a medium-sized enterprise to protect critical operations from grid instability and reduce high peak energy costs.
Sunriver's Solution:
We provided the SAJ HS2-10K-T2 three-phase system, offering 10kW of reliable backup power and a 20kWh modular battery ideal for commercial peak shaving applications.
The Result:
The system guarantees 24/7 operational uptime for the client's essential equipment and has successfully reduced their annual energy costs by an estimated 22%.
Meeting Peak Safety & Performance Needs in Poland
Industrial Facility, Poland
The Challenge:
An industrial EPC in Poland was tasked with a high-stakes project demanding maximum solar yield, uncompromised safety, and future VPP readiness for their manufacturing client.
Sunriver's Solution:
We supplied the advanced SAJ CHS2-30K-T4-X. We provided full documentation on its cabinet-level fire protection and 200% DC oversizing capabilities to meet the client's strict requirements.
The Result:
The EPC successfully deployed a high-performance, ultra-secure system. The CHS2's 6 MPPTs maximized yield from a complex roof, satisfying all project performance and safety criteria.
All-in-one ESS documents
Resources
Technical documents for HS2, HS3, and CHS2 all-in-one energy storage systems across residential and commercial use cases.
4 files
HS2 Series (All-in-One Residential)
7 files
HS3 Series (Modular Residential)
Datasheet · PDF
HS3 Series Datasheet (3-6kW Single-Phase)
Download
Datasheet · PDF
HS3 Series Datasheet (3-4kW Three-Phase)
Download
Datasheet · PDF
HS3 Series Datasheet (5-12kW Three-Phase)
Download
Quick Guide · PDF
HS3 Series Quick Guide (3-6kW Single-Phase)
Download
Quick Guide · PDF
HS3 Series Quick Guide (3-12kW Three-Phase)
Download
User Manual · PDF
HS3 Series User Manual (3-6kW Single-Phase)
Download
User Manual · PDF
HS3 Series User Manual (3-12kW Three-Phase)
Download
3 files
CHS2 Series (Commercial Storage)
Buyer questions
FAQs
Practical answers for battery capacity, installation planning, retrofit review, and commercial storage scaling.
2 questions
Battery tech & capacity
How to evaluate LFP storage, usable capacity, and customer load requirements.
What battery technology is used in Sunriver all-in-one ESS, and what is its lifespan?
Sunriver all-in-one ESS products are positioned around LFP battery storage, with lifetime expectations that should be reviewed against the exact model, operating temperature, and depth-of-discharge profile.
What affects service life
- Chemistry: LFP is widely used for stationary storage because it balances safety, cycle life, and thermal stability.
- Operating profile: Frequent deep cycling and high-temperature environments affect usable lifetime.
- System controls: Correct inverter, BMS, and commissioning settings protect the battery from avoidable stress.
Expert Sourcing Tip
For tender files, ask for the battery warranty terms and cycle-life assumptions tied to the quoted system rather than quoting a generic lifespan.
How do I determine the right battery capacity (kWh) for my customer's project?
Battery capacity should be sized from the customer's critical loads, desired backup duration, PV generation profile, and tariff or peak-shaving goal.
Sizing inputs
- Load list: Separate critical loads from nice-to-have loads before sizing backup.
- Runtime target: A two-hour backup requirement and an overnight backup requirement produce very different storage sizes.
- Economic goal: Self-consumption, peak shaving, and backup resilience each point to different capacity logic.
Expert Sourcing Tip
Send a daily load profile when available; it lets the engineering team discuss capacity in kWh instead of guessing from inverter power alone.
2 questions
Integration & installation
Questions that affect retrofit feasibility and commissioning complexity.
Are these all-in-one storage systems compatible with existing solar installations (retrofit)?
Retrofit feasibility depends on the existing PV inverter, grid wiring, load panel, metering arrangement, and the selected ESS topology.
Retrofit checks
- Existing equipment: Identify the current inverter model and whether the project needs AC-coupled or hybrid integration.
- Electrical layout: Review main panel, backup loads, and meter location before selecting hardware.
- Control objective: Clarify whether the goal is backup, self-consumption, peak shaving, or a mix.
Expert Sourcing Tip
Ask installers for a single-line diagram or clear panel photos before quoting retrofit storage; it prevents underestimating wiring and control work.
How difficult is the installation process for these all-in-one systems?
All-in-one systems can simplify installation by combining major storage components, but site wiring, protection, battery handling, and commissioning still require qualified installers.
Installation workstreams
- Mechanical placement: Confirm floor or wall requirements, clearances, and battery handling.
- Electrical protection: Breaker, isolator, grounding, and backup circuits must follow local rules.
- Commissioning: Battery, inverter, meter, and monitoring setup should be checked as one system.
Expert Sourcing Tip
For first-time installers, request the quick guide and manual together and review the commissioning sequence before equipment arrives on site.
2 questions
Commercial application
How buyers should think about warranty and scaling beyond single-home systems.
What is the warranty coverage for the battery and the integrated inverter?
Warranty coverage should be confirmed by model and order terms because battery and inverter coverage may be described separately in project documentation.
Warranty review points
- Component scope: Check whether battery modules, inverter, and accessories are covered under the same terms.
- Use conditions: Operating temperature, installation method, and cycling profile can matter.
- Claim process: Clarify evidence, serial records, and support contact before deployment.
Expert Sourcing Tip
Keep commissioning records and serial numbers from day one; warranty support is faster when the installation history is organized.
Can these systems be scaled for larger commercial and industrial (C&I) projects?
Commercial scaling is possible only when the selected ESS family, electrical design, metering, protection, and site-control requirements support the intended project size.
Scaling considerations
- Power and energy: Separate inverter output in kW from storage capacity in kWh.
- Site controls: C&I projects may need export limitation, peak-shaving logic, or EMS coordination.
- Service model: Large projects need clearer O&M access, documentation, and spare-parts planning.
Expert Sourcing Tip
For C&I storage discussions, provide the peak demand curve and target operating strategy; it makes the proposal stronger than simply asking for the largest cabinet.
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Buyer Decision Note
When should buyers compare all-in-one energy storage systems?
Buyers should compare all-in-one energy storage systems when the project brief is about packaged solar storage rather than choosing an inverter alone. Sunriver's HS2, HS3, and CHS2 pages help procurement teams separate residential backup, three-phase residential or light commercial storage, and C&I energy storage planning. This page is useful when a distributor or installer needs a clear family-level route before requesting documents or quote support. It should not replace project-specific electrical review, battery compatibility checks, or grid-code confirmation. If the buyer already has a battery system selected and only needs inverter matching, the hybrid inverter page may be the better place to start.