Raystech BESS

18/03/2026

Join us at Solar & Storage Live London (April 29–30)!

We warmly invite our UK partners and customers to visit us and discover our latest semi-solid-state energy storage technology — designed for enhanced safety, higher efficiency, and reliable performance.

Come meet our team, explore the technology, and discuss how we can support your energy storage projects. Looking forward to seeing you in London!

04/03/2026

Introducing the next-generation C&I energy storage solution from RAYSTECH ⚡

RAYSTECH-CIS 120kWh | RAYSTECH-CIS 240kWh
Advanced Commercial & Industrial Energy Storage Cabinet

Designed for factories, commercial buildings, microgrids, and peak-shaving applications, the RAYSTECH-CIS series delivers high-capacity, high-efficiency power management with uncompromising safety.

Core Highlight: Semi-Solid-State Battery Technology
Built with advanced semi-solid-state cells, the system offers enhanced thermal stability and fundamentally eliminates the risk of thermal runaway — ensuring a safer, more reliable energy storage solution for demanding C&I environments.

High capacity.
Higher safety standard.
Smarter energy management.

Power your business with confidence.

27/01/2026

⚡️ Next-Gen Energy Storage Is Here: RT5427 V2.0

We've upgraded our 5.4kWh Semi-Solid State Battery to Version 2.0, combining cutting-edge safety with "installer-first" engineering. Designed for the most demanding environments, the RT5427 HV/SHV is more than just a battery—it's a grid-ready powerhouse.

🔍 Why Industry Professionals Are Switching:

🚀 FCR Ready
1C charge/discharge capability enables fast grid response and accelerates ROI.

🛡️ Enhanced Safety
Semi-solid electrolyte technology significantly reduces the risk of thermal runaway. Fully certified to IEC & UN38.3 standards.

🛠️ Installer-Friendly by Design
• IP65-rated for outdoor deployment
• Auto-balancing architecture — every module can act as Master or Slave
• No DIP switch configuration required

❄️ Cold-Climate Performance
Integrated heating ensures reliable operation in low-temperature environments.

🤝 Seamless Installation
Modular stack-and-play design for faster setup and scalability.

🌧️ Engineered for the Outdoors

Version 2.0 features an upgraded enclosure with enhanced corrosion resistance and a newly added top protective cover — built to withstand harsh conditions.

RT5427 HV/SHV — Safer. Faster. Smarter.

🔗 Learn more: www.raystechgroup.com

29/08/2025

💘This Chinese Valentine's Day, let reliability be the language of love.

Just as true love stands the test of time, batteries deliver lasting power, uncompromising safety, and trusted performance.

In a world where moments matter, we provide the energy that never fades — supporting your journey today, tomorrow, and for years to come.

Raystech — Energy that endures, like love that lasts. 💕

13/08/2025

🚀 Raystech × LONGi Solar — Powering Europe's Solar Future

Raystech's semi-solid-state battery systems + LONGi's high-efficiency PV modules = a bankable, safe, and ready-to-deploy solution for residential & C&I projects.

📍 On Tour in Europe: | | | |

💡This partnership puts future deliveries on the fast track—pre-validated compatibility and rapid troubleshooting ensure every project runs smoother and faster.

DM us for datasheets, pricing, or to meet us on the road!—let's explore how this bundle can accelerate your next project.

29/07/2025

Semi-solid-state batteries aren't just the future — they're already here.
is powering homes, C&I projects with safer, smarter energy storage solutions.
➡️ Read more about how we're bringing next-gen battery tech to life:

🔗 https://www.linkedin.com/feed/update/urn:li:activity:7355882117538459649

Raystech Brings Semi-Solid Batteries from Lab to Market

11/07/2025

🚀 New Product Launch | Semi-Solid-State Battery Cabinet
This 240kWh high-voltage energy storage cabinet is powered by advanced semi-solid-state battery technology, delivering superior safety, energy density, and system reliability.

🔋 Key Features
• Single cabinet capacity: 240kWh
• Semi-Solid Battery for Enhanced Safety
Use semi-solid battery technology to reduce fire and thermal runaway risks greatly.
• High-Performance scenario by using a Hybrid Inverter
Fully certified, easy to maintain, and cost significantly less than traditional PCS + STS solutions. Inverter has a longer warranty than PCS.
• External Power Distribution Design
External DC and AC distribution cabinets. Simplifies maintenance.
• Optimized Design for Safety
The tilted protective cover on the inverter extends the inverter's lifespan.
• Flexible Parallel Connection
One inverter can connect up to six battery storage units via a DC combiner box, enabling scalable energy storage. (up to 1.44MWh)

This is more than a battery cabinet — it's a next-generation solution designed to power the future of C&I energy storage, microgrids, and beyond.

📩 Contact us today for technical details.

07/07/2025

🚚 Shipping Update | RT5427 High-Voltage Batteries Bound for the UK

Our RT5427 HV semi-solid-state batteries are ready for shipment to our UK customer. This batch will be integrated with inverters, offering a compact and reliable energy storage solution for residential applications.

👏 A heartfelt thank you to our UK partner for their continued trust and support. We look forward to seeing these systems power more clean energy projects across the region.

🔋 Product Highlights:
RT5427 | High-Voltage Semi-Solid-State Battery
→ Long cycle life
→ Compact, stackable design
→ Low thermal runaway risk

At Raystech, we remain committed to delivering high-performance, safe, and future-ready battery solutions to our global partners.

04/07/2025

☀️ Reliable power, year after year.

We're excited to share some of the key technical advantages of Raystech's solid-state energy storage batteries 🔋.

Unlike traditional lithium batteries, solid-state batteries offer higher capacity retention and significantly longer cycle life. As shown in the chart, even after 6,000 full charge-discharge cycles, our batteries maintain 81.5% of their original capacity—a level of performance that's rarely seen in the industry.

Engineered for long-term performance, Raystech solid-state batteries support up to 8,000 cycles and come with a 10-year warranty. With enhanced energy density and superior thermal stability, they provide smarter, safer power, ensuring you reliable energy, year after year. 🌛

13/06/2025

🎉 We're proud to showcase a successful residential installation of the RT5427 semi-solid-state battery system in Spain — a perfect example of how clean energy can be both dependable and seamlessly integrated into modern living.

🔋 System Overview

Inverter: Low Voltage Hybrid Inverter

Battery: 4 × RT5427 (Low Voltage, 5.4kWh each)

Total Storage Capacity: 21.6 kWh

✨ Why RT5427?

Semi-Solid State LFP Technology: Enhanced safety, longer cycle life, and higher thermal stability

Inverter Compatibility: Successfully integrated with multiple leading inverter brands and listed on their official whitelists

Stylish Design: Modern and elegant appearance, ideal for indoor or garage installation

Intelligent BMS: Real-time monitoring, parallel-ready, and high discharge rate up to 1C

💬 Interested in deploying solid-state battery systems in your region?
Contact us today for solutions tailored to your grid and residential projects.



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