• Quality manufacturing
    sodium ion battery

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12V 50Ah Sodium ion Cranking Battery

  • Model: NA1250
  • Wide temperature range from -30°C to 65°C
  • Over 80% capacity retention at -20°C
  • High starting currents for engine starts
  • OEM solutions to satisfy specific power needs

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.

12V 50Ah Sodium ion Cranking Battery
12V 50Ah Sodium ion Cranking Battery

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.

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.

Polinovel Sodium ion Battery Car Starting

Technical Parameters

Model NA1250
Nominal Voltage 12.8V
Nominal Capacity 50Ah
Energy 640Wh
Starting Current 600CCA
Max. Charge Current 50A
Max. Constant Discharge Current 100A
Peak Discharge Current 200A @5s
Dimension 207*175*190mm / 8.2*6.9*7.5in
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

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