EnerSys DataSafe NPX-50-6 Batteries

Alpine Power Systems' experienced technical support & sales team is here to assist your needs:

DataSafe NPX-50-6 valve regulated lead-acid 6 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-50-6 batteries offer a superior value, especially in UPS applications.

EnerSys DataSafe NPX-50-6 General Specifications:

Volts: 6 Volt

W/ Cell to 1.67 End Voltage (15 Min. Rate): 53

Nominal Ah 20hr to 1.75VPC: 13

Length: 151 mm, 5.95 in

Width: 50 mm, 1.97 in

Terminals: 100 mm, 3.94 in

Weight: 2.09 kgs, 4.60 lbs

Internal Resistance (m): 6

Layout: 1


Terminals: A/B

EnerSys DataSafe NPX-50-6 Energy Density (10 hour rate):

WH/cubic inch: 1.58

WH/cubic liter: 96.7

Specific Energy:               

WH/pound: 14.8

WH/kg  37.8: 32.7

EnerSys DataSafe NPX-50-6 Maximum Discharge Current with Standard Terminal - amperes


EnerSys DataSafe NPX-50-6 Maximum Short-Duration Discharge Current – amperes


EnerSys DataSafe NPX-50-6 Charging Methods                         

Cycle Use - Maximum charging current: 3.0A

Cycle Use - Charging voltage: 7.2-7.5V

Standby Use - Float charging voltage: 6.75-6.90V

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