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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 | NA1270 |
Rated Power | 12V 70Ah (Cells: 3.0V 10Ah; Configuration: 4S7P) |
Energy | 840Wh |
Starting Current | 800CCA |
Standard Charge Voltage | 15.6V (Single Cell: 3.9V) |
Discharge Cut-off Voltage | 8V (Single Cell: 2.0V) |
Max. Charge Current | 70A |
Max. Constant Discharge Current | 100A |
Peak Discharge Current | 200A @5s |
Dimension | 230*175*220mm / 9.1*6.9*8.7in |
Weight | 11.5kg / 25.4lbs |
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. | |
With 70Ah capacity and 800 CCA starting current, this sodium-ion starting battery is designed for compatible 12V engine-starting systems where reliable cranking power, low-temperature performance, and reduced battery weight are important.
Suitable for compatible passenger vehicles requiring a 12V 70Ah starting battery with strong cranking performance and reliable operation across changing temperatures.
Provides dependable starting power for compatible vans, pickups, and other light commercial vehicles operating in daily transport and service applications.
A practical starting battery option for selected utility vehicles, agricultural equipment, and work machinery using compatible 12V electrical systems.
Supports engine starting for compatible diesel and gasoline generator sets where dependable starting power is required during standby or remote operation.
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 | Sodium-Ion | Lead-Acid |
|---|---|---|
Nominal System | 12V | 12V |
Capacity | 70Ah | Commonly available around 70Ah |
Cycle Life | ≥2,500 cycles at 1C; ≥4,000 at 0.2C | Shorter service cycle life |
Starting Performance | 800 CCA | Depends on battery model |
Low-Temperature Operation | Discharge down to −30°C | Performance typically declines as temperature falls |
Weight | 11.5kg | Generally heavier at comparable capacity |
Maintenance | Maintenance-free | Depends on battery type |
Charging | 15.6V recommended | Conventional automotive charging profile |
Before replacing a lead-acid cranking battery, check required CCA, case dimensions, terminal layout, charging voltage, and operating temperature.
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 provides OEM 12V sodium-ion starting battery solutions for vehicle, equipment, and engine-starting applications. We support customization from battery specification and fitment design to BMS configuration and private labeling.
CCA Matching – Match starting performance to engine requirements.
Charging Parameters – Optimize voltage and charging settings.
Terminal Layout – Customize terminal type and position.
Mounting Structure – Adapt fixing details for easier integration.
BMS Configuration – Set protection functions for application needs.
Private Label Service – Customize logo, label, and packaging.
Sample & Mass Production – Support prototyping and batch delivery.
