EnerSys PowerSafe 4DU-07 Batteries

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The PowerSafe 4DU-07 battery has been designed to handle the demanding float and deep discharges typical for telecommunication applications. The DU battery series features proven flat plate lead-calcium grid alloy and is the largest amp hour capacity four cell battery in the industry ranging from 310 to 780Ah.

General Specifications of 4DU-07:

Cell Type: 4DU-07

Nominal Ah Capacity1: 395

Length (in): 9.5

Length (mm): 241

Width (in): 16.0

Width (mm): 406

Height (in): 22.7

Height (mm): 576

Height***(in): 26.9

Height***(mm): 683

Weight-Volumes. Electrolyte only 1.215 S.G.

lbs: 59

kg: 27

gal: 5.8

liters: 22

Additional Details


  • CATV & Broadband
  • Telecom


  • Lead Acid - Flooded

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.

  • EnerSys PowerSafe D Safety Data Sheet
  • EnerSys PowerSafe D Owners Manual
  • EnerSys PowerSafe D Performance Specs
  • EnerSys PowerSafe D Range Summary
  • Standby-Power-Product-Overview.pdf