Explore our industrial, commercial, and residential energy systems engineered for maximum efficiency, thermal resilience, and cycle durability.
Ningbo Sahnova Solar Co., Ltd. is an internationally recognized, highly specialized manufacturer focusing on lithium battery storage systems, automotive electrification solutions, and advanced micro-mobility applications. Grounded in the vision of facilitating a robust global transition toward low-carbon and sustainable economies, we focus on delivering premium-grade, safe, and highly efficient energy solutions customized for industrial, commercial, and residential use cases.
Through our comprehensive vertical integration capability—from mechanical frame welding to intelligent BMS integration and thermal management system (TMS) co-development—we ensure every battery module exhibits optimal charge-discharge parameters and long-term operating durability.
How our automated manufacturing facilities optimize resource allocation, guarantee quality consistency, and drive down overall storage costs.
Leveraging high-precision cell sorting, automated spot welding, and robotic pack assembly lines. This reduces human error, guarantees uniform internal resistance across cells, and significantly enhances pack longevity.
Every module undergoes multi-stage OCV testing, capacity grading, high-current aging tests, and insulation monitoring. Our factory implements digital traceability systems, allowing every battery cell to be traced back to its raw material batch.
Our OEM carbon steel welding and laser cutting assemblies provide structural integrity to battery enclosures. Heavy-duty structures protect packs from shock, vibration, and thermal expansion during cyclic operations.
Historically, Sahnova focused on basic battery assembly and system integration. By continuously investing in technological iterations, automated welding infrastructure, and battery management system (BMS) logic development, we transitioned into an industry-leading OEM and exporter. We control the supply chain from raw metal chassis welding up to advanced thermal cooling integration, ensuring our global buyers access stable wholesale prices, consistent quality, and shorter lead times.
In our early development stage, Sahnova concentrated on basic battery assembly and integration services. This allowed our engineering team to build profound expertise in lithium battery mechanics, heat dissipation models, and the nuances of Battery Management Systems (BMS).
As the global market shifted towards decentralized energy architectures and high-density e-mobility applications, we rapidly scaled up our production infrastructure. By installing automated cleanrooms, adopting advanced wire bonding, and integrating precision metal fabrication facilities, we evolved into a reliable energy solutions partner.
Today, Ningbo Sahnova Solar Co., Ltd. provides diverse solutions: from commercial smart energy systems (215kWh to 1MWh ESS) to automotive starter solutions and high-capacity micro-mobility battery packs for global logistics networks.
Understanding the fundamental engineering behind Sahnova's energy efficiency solutions.
For large-scale stationary energy storage systems (ESS) and high-load commercial applications, Sahnova prioritizes LiFePO4 (LFP) chemistry. LFP displays supreme thermal stability (thermal runaway onset >270°C compared to NCM's ~210°C), making it highly resistant to combustion. Additionally, LFP delivers exceptional cyclic endurance, retaining >80% capacity after 6,000 cycles at 80% Depth of Discharge (DoD), lowering levelized cost of storage (LCOS).
For micro-mobility applications where volumetric energy density is vital, we integrate high-capacity NCM battery packs utilizing premium 21700 Samsung cells, balancing high discharge rates with weight constraints.
Our safety core lies in our proprietary BMS. Equipped with high-speed microcontrollers, the BMS monitors cells in real-time, calculating state of charge (SoC) and state of health (SoH). Active balancing circuits redistribute charge from higher-voltage cells to lower-voltage ones, mitigating cell-to-cell degradation. The BMS incorporates communication interfaces (CANbus, RS485, Modbus) for seamless integration with commercial solar inverters and industrial microgrid managers.
Extreme temperatures degrade battery cells. Our liquid and active-air cooling solutions control temperature differences within a module to ≤3°C. Integrating heating elements allows systems to work efficiently down to -20°C. With EC certificate validation, our BTMS units regulate temperature dynamically, mitigating the risk of localized hot-spots and preventing thermal runaway propagation.
| Parameter Specification | C&I Smart ESS (215kWh) | Standard Wall-Mounted Ess | Micro-Mobility Pack (E-bike) |
|---|---|---|---|
| Cell Chemistry Type | LiFePO4 (LFP) | LiFePO4 (LFP) | NCM / LFP Options |
| Nominal System Voltage | 768 VDC | 51.2 VDC | 36 VDC / 48 VDC |
| Cycle Life (80% DoD) | ≥ 6,000 Cycles | ≥ 5,000 Cycles | ≥ 1,000 Cycles |
| Thermal Control Method | Liquid Cooling / Active HVAC | Forced Air Cooling | Passive Heat Sink / Phase Change Material |
| BMS Communications | Modbus TCP, CAN, RS485 | CAN, RS485 | SMBus, UART |
Providing high-efficiency architectures for power networks, municipal infrastructure, and global transport sectors.
Our containerized battery systems enable factories to perform peak shaving, load shifting, and power backup. This mitigates high-demand tariff charges, provides seamless transition to UPS during grid failure, and stabilizes incoming solar-generated power.
Engineered for urban delivery systems, electric bikes, and low-speed logistics vehicles. Our lightweight battery packs withstand severe mechanical impact, extreme vibration, and high charging speeds while ensuring extended range.
Large-scale configurations (up to 1MWh containers) provide fast frequency response and voltage regulation for utility grids. This offsets instability introduced by high penetration rates of wind and solar generators.
Guaranteeing borderless logistics, certified safety protocols, and direct localized engineering support.
Securing cross-border shipments of lithium batteries requires strict compliance with international safety protocols. Sahnova’s products conform to global shipping and usage standards, including UN38.3 transport safety validation, CE declarations, EC battery thermal safety certifications, and specific UL standards for commercial energy storage.
We supply Class 9 dangerous goods packing certificates, assisting clients with customs documentation and direct logistics configurations. Furthermore, we maintain relationships with local system integrators and distributors to ensure quick replacement parts, technical support, and warranty resolution.
We work directly with engineering procurement contractors (EPCs), wholesale distributors, and EV brands. Our B2B framework offers:
Essential technical and commercial inquiries answered by Sahnova's engineering directors.
From micro-mobility vehicle integration to large containerized utility systems, view our complete product lineup.
Sahnova Solar
