BESS (Battery Energy Storage System)
Latest Innovations from Deye
Deye offers a comprehensive range of advanced Energy Storage System (ESS) batteries designed to maximize renewable energy efficiency and provide reliable backup power. Our lithium iron phosphate (LFP) battery systems combine safety, longevity, and intelligent management to deliver superior performance across residential, commercial, and industrial applications.
Explore Deye’s newest ESS Battery range—designed with cutting-edge technology, improved performance, and user-friendly features. These latest arrivals showcase our advanced R&D efforts, tailored to meet modern energy storage needs.
Leading the Energy Revolution
- Advanced Cell Technology Utilizes next-generation lithium iron phosphate (LiFePO₄) for superior energy density and extended cycle life.
- Enhanced Safety Systems Integrated intelligent protection and real-time monitoring ensure maximum operational safety.
- Optimized Efficiency Minimizes energy loss during charge/discharge cycles, delivering high system performance.
- Intelligent Integration Seamlessly compatible with a wide range of inverters and energy management platforms
- Refined User Experience Features user-friendly interfaces, advanced monitoring, and mobile connectivity for easy control.
- Future-Ready Design Built with flexibility to support evolving energy management requirements.
- Warranty: 10 Years
Our ESS Battery Series
- Low Voltage Series (LV)
- High Voltage Series (HV)
- Regional Exclusive Supply
- Safety First Non-toxic, stable LFP chemistry with no thermal runaway risk.
- Long Lifespan 6,000+ cycles with 10+ year operational life.
- Intelligent Protection Comprehensive BMS monitoring and cell balancing.
- Flexible Configuration Modular design for customized capacity expansion.
- Remote Monitoring App-based control and status monitoring.
- Comprehensive Warranty 10-year coverage on all systems.
Our Mission
To simplify business operations through intelligent, reliable, and secure IT solutions — enabling our clients to focus on growth while we manage their technology backbone.
Our Vision
To become a trusted name in enterprise IT services by continuously innovating, adapting, and delivering world-class solutions that drive business success.
Our Goal
To become a trusted, go-to partner for businesses seeking smart, scalable, and secure IT solutions — while continuously evolving to meet the demands of a digital future.
Feston FES-5K – Wall/Rack Mount Lithium Battery Storage System
Reliable | Scalable | Compact
Power your solar energy system with the Feston FES-5K, a high-performance 5kWh Lithium Iron Phosphate (LiFePO₄) battery designed for residential and commercial energy storage. With flexible wall-mounted or rack-mounted installation options, this smart BESS (Battery Energy Storage System) is ideal for modern hybrid solar setups requiring safety, scalability, and long life.
Key Features
- Battery Capacity: 5 kWh (Expandable)
- Battery Chemistry: LiFePO₄ – Safe, Stable & Long-Lasting
- Cycle Life: 6,000+ cycles @ 80% DoD
- Voltage Range: [Insert nominal/working voltage here – e.g., 48V]
- Installation: Wall-Mount / Rack-Mount Options
- Communication Interfaces: CAN / RS485 (for inverter and EMS integration)
- Warranty: 10 Years
Why Choose the Feston FES-5K?
- Superior Lifespan: Over 6,000 cycles ensures years of reliable energy storage.
- Compact Design: Slim profile ideal for indoor or outdoor wall/rack installations.
- Smart Integration: Communicates seamlessly with hybrid inverters and EMS platforms.
- Safe Chemistry: LiFePO₄ offers excellent thermal and chemical stability.
- Scalable Storage: Easily expand your capacity by adding more modules.
Ideal For
- Residential rooftop solar systems
- Small commercial hybrid solar setups
- Off-grid and backup power applications
- EV charging support systems
- Load shifting and time-of-use optimization