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PowerSafe® GN Batteries

Since 1978, PowerSafe® GN batteries have been the meeting the demands of the nuclear power industry. Today, they are backed by decades of EnerSys® engineering and manufacturing expertise and remain the trusted battery for nuclear power plants.

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Nuclear qualified design

PowerSafe GN batteries feature a robust calcium flat plate design that can handle demanding, complex load profiles requiring high initial and end currents. Built in accordance with a quality management system that encompasses 10CFR50 Appendix B and NQA-1 1994, the PowerSafe GN is Class IE battery of choice for the resurgent nuclear market.

  • Capacity range: 1140 to 3600 Ah
  • Industry's highest one-minute rates
  • Optimum ratio of plate surface area to electrolyte volume
  • 20-year design life
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Product Specification

Take a look at the following PowerSafe GN product specification:


Switchgear and Substation

Industrial UPS

Technology / Chemistry

Flooded lead acid

Capacity (Min) - Europe standard


Capacity (Max) - Europe standard


Capacity (Min) - US standard


Capacity (Max) - US standard


Capacity US standard

Ah / 8hr / 1.75Vpc / 77°F

Voltage (Min)


Voltage (Max)



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