We Deliver Reliable Energy Storage Solutions For A Sustainable Future
At QIAN, we are dedicated to providing innovative energy storage solutions that make clean and reliable power accessible to homes, businesses, and outdoor users worldwide.
Our products are designed to deliver dependable backup power, improve energy efficiency, and support the transition to a smarter and more sustainable energy future. Combining advanced battery technology with practical design, QIAN offers safe, efficient, and user-friendly energy storage systems built for everyday life.
Whether for residential backup, solar energy applications, or portable power needs, we are committed to delivering quality, reliability, and long-term value to our customers.
Reasons To Choose QIAN
QIAN develops a standardized lithium energy storage platform architecture for residential and light commercial applications, built around LiFePO₄ electrochemical consistency, modular system design, and validated lifecycle testing protocols.
At QIAN, we are committed to providing reliable and efficient energy storage solutions for modern living. Driven by advanced technology, premium quality, and dependable performance, our products empower customers to achieve greater energy independence and a more sustainable future. Furthermore, we stand firmly behind our products with robust after-sales support, proudly offering up to three free replacements within a 5-year period for ultimate peace of mind.
Validated Lifecycle Performance Framework
Key parameters:
- Cycle life: up to 8000 cycles (measured under standard 0.5C charge/discharge profile, model-dependent)
- Depth of Discharge (DoD): application-based configuration supported
- Chemistry: Lithium Iron Phosphate (LiFePO₄), prismatic cell format
- Designed for: daily cycling photovoltaic energy storage systems
- 👉 Lifecycle performance is validated under controlled conditions, not marketing extrapolation
Modular Energy Architecture (1–16kWh Scalable System)
System structure:
- Residential ESS range: 5kWh to 16kWh configurations
- Modular stackable tower battery architecture
- Hybrid inverter-compatible DC-coupled / AC-coupled systems
Unified Electrical Design & Protection Logic
Electrical design standards:
- Multi-layer Battery Management System (BMS) with:
- Cell-level voltage monitoring
- Pack-level current limitation logic
- Temperature-based derating control
- Discharge current capability: model-dependent, up to 200A peak
- Operating temperature control window with automatic protection shutdown
- Electrical protection: over-voltage / under-voltage / over-current / short-circuit / thermal protection
Solar Energy Application Optimization
Application scenarios:
- Residential solar self-consumption optimization
- Backup power during grid outage conditions
- Hybrid energy systems with inverter integration
- Off-grid independent power supply systems
Manufacturing & Quality Control System
Quality control stages:
- Incoming cell grading and classification before assembly
- Battery pack formation cycling and consistency matching
- Aging test simulation for performance stabilization
- Final system-level electrical inspection before shipment