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Polinovel NA Series sodium-ion batteries deliver breakthrough innovation that blends cost-efficiency, safety and high performance. Engineered for versatility, our sodium-ion technology seamlessly supports demanding industrial, commercial, and household applications—offering a safer alternative to conventional batteries.
Enhanced Safety
Featuring a non-flammable electrolyte and advanced thermal management, our sodium-ion batteries effectively prevent thermal runaway and ensure reliable, worry-free operation.
Exceptional Low-Temperature Performance
Polinovel sodium-ion batteries perform reliably across a wide temperature range—from -30°C to 65°C. With over 80% capacity retention at -20°C, our batteries are ideally suited for demanding environments and extreme climates.
Cost-Effective Durability
Delivering over 4000 cycles with 80% capacity retention, Polinovel sodium-ion batteries offer decade-long reliability. Their extended lifespan and low maintenance needs significantly reduce life cycle costs, providing long-term savings and exceptional value.
Versatile Applications
With outstanding rate capability and superior performance in low temperatures, Polinovel sodium-ion batteries are the ideal solution for reliable and efficient starting in cars, motorcycles, and marine equipment. Plus, our batteries power a wide range of high-demand applications, including forklifts, golf carts, RVs, industrial backup power for factories, data centers, and telecom towers.
Specification
Model | NA1250 |
Rated Power | 12V 50Ah (Cells: 3.0V 10Ah; Configuration: 4S5P) |
Energy | 600Wh |
Starting Current | 600CCA |
Standard Charge Voltage | 15.6V (Single Cell: 3.9V) |
Discharge Cut-off Voltage | 8V (Single Cell: 2.0V) |
Max. Charge Current | 50A |
Max. Constant Discharge Current | 100A |
Peak Discharge Current | 200A @5s |
Dimension | 238*138*208mm / 9.4*5.4*8.2in |
Weight | 7.5kg / 16.5lbs |
Cycle Life | ≥2500 (1C@DOD100%); ≥4000 (0.2C@DOD100%) |
Charge Temperature | -20～60ºC |
Discharge Temperature | -30～65ºC |
Storage Temperature | 0～45ºC |
Remarks: The recommended charge voltage for this sodium ion battery is 15.6V. When using a charging system with a voltage between 13V and 14.6V, the battery can be charged to approximately 85% of its capacity. To reach a full 100% charge, upgrading to a 15.6V charging system or using a dedicated 15.6V charger is recommended. | |
The 12V 50Ah sodium-ion starting battery is designed for compatible engine-starting applications that require reliable cranking power, compact installation, and stable performance across different environments.
Reliable 12V starting power for compatible passenger vehicles requiring dependable daily engine cranking and compact battery installation.
Suitable for selected motorcycles, ATVs, UTVs, and other powersports equipment where lightweight construction and strong starting performance are important.
Provides dependable starting support for compatible small marine engines while helping reduce maintenance compared with conventional lead-acid batteries.
A practical starting battery solution for generators and small utility equipment that need stable short-duration high-current output.
For high-current engine cranking, sodium-ion batteries provide strong low-temperature discharge capability and high cranking output, while lead-acid batteries remain widely used in conventional starting systems.
Feature | 12V 50Ah Sodium-Ion | Lead-Acid |
|---|---|---|
Starting Performance | High-rate 600CCA output | Strong starting capability |
Low-Temperature Performance | >80% capacity retained at −20°C | Performance typically declines more noticeably in cold conditions |
Cycle Life | ≥2,500 cycles at 1C; ≥4,000 at 0.2C* | Typically 300–500 cycles |
Maintenance | Maintenance-free | Depends on battery type |
Weight | 7.5 kg | Generally heavier |
Charging | Recommended 15.6V | Conventional 12V lead-acid charging profile |
Choose a model based on the required capacity, cranking current, and peak discharge demand.
Model | Capacity | Starting Current | Peak Discharge | Selection Guide |
50Ah | 600 CCA | 200A @ 5s | Compact option for lower starting-current requirements | |
60Ah | 800 CCA | 200A @ 5s | Higher cranking output with moderate capacity | |
70Ah | 800 CCA | 200A @ 5s | More capacity while maintaining 800 CCA | |
80Ah | 900 CCA | 400A @ 5s | Higher cranking and peak-current demand | |
90Ah | 1000 CCA | 400A @ 5s | Higher starting-current requirement | |
100Ah | 1200 CCA | 400A @ 5s | Highest capacity and cranking output in this range |
Battery selection should also consider installation dimensions, terminal configuration, charging voltage, and operating temperature.
Polinovel supports OEM and project-specific customization for sodium-ion starting batteries, from electrical performance and installation fitment to charging compatibility and private-label requirements.
Configure capacity, cranking current, discharge performance, and protection parameters according to the target engine and operating requirements.
Customize battery dimensions, enclosure structure, terminal position, cable interface, and mounting details to fit specific battery compartments and equipment platforms.
Adapt charging parameters and BMS settings to the target electrical system, with protection functions configured for reliable starting and daily operation.
Support customized branding, labels, housing appearance, packaging, technical documentation, and model matching for OEM, distributor, and fleet projects.
