EnerSys DataSafe NPX-25 Batteries

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EnerSys DataSafe NPX-25 valve regulated lead-acid 12 volt batteries are designed for high rate discharge applications. These batteries are used primarily where high wattage is required for a short duration. With 50% more wattage available and a 30% reduction in size over conventional batteries, DataSafe NPX-25 batteries offer a superior value, especially in UPS applications.

EnerSys DataSafe NPX-25 General Specifications:

Volts: 12 Volt

W/ Cell to 1.67 End Voltage (15 Min. Rate): 23

Nominal Ah 20hr to 1.75VPC: 5

Length: 90 mm, 3.54 in

Width: 70 mm, 2.75 in

Terminals: 107 mm, 4.21 in

Weight: 1.95 kgs, 4.3 lbs

Internal Resistance (m): 16.5

Layout: 1


Terminals: A/B

EnerSys DataSafe NPX-25 Energy Density (10 hour rate):

WH/cubic inch: 1.36

WH/cubic liter: 28.7

EnerSys DataSafe NPX-25 Specific Energy:               

WH/pound: 13

WH/kg: 28.7

EnerSys DataSafe NPX-25 Maximum Discharge Current with Standard Terminal - amperes


EnerSys DataSafe NPX-25 Maximum Short-Duration Discharge Current – amperes


EnerSys DataSafe NPX-25 Charging Methods                         

Cycle Use - Maximum charging current: 1.25A

Cycle Use - Charging voltage: 14.4-15.0V

Standby Use - Float charging voltage:13.50-13.80V

Additional Details


  • Emergency Lighting
  • Security & Alarms


  • AGM (VRLA)


Downloads & Documentation

See below for documentation relating to this product line that is available to download. To download this documentation, please click on the desired document you’d like to download and fill out the required form information fields. You will be able to view and download the documents upon completion of the download form.

  • DataSafe NPX Range Summary
  • SDS Nonspillable Lead Acid Battery
  • DataSafe NPX Application Manual