EnerSys Powersafe DDm DDm125-33 Batteries

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The EnerSys PowerSafe® DDm DDm125-33 battery range offers an ideal solution for large capacity Valve Regulated Lead-Acid (VRLA) battery requirements. EnerSys PowerSafe® DDm DDm125-33 battery’s steel can (module) design, with its integral racking system, provides a cost effective battery system. This creates a compact, quick and simple installation process. EnerSys PowerSafe® DDm DDm125-33 battery, with its optimized recombination technology and extra thick plates, provides excellent performance and service life across a wide range of applications including: telecommunications, power generation/distribution sites, and UPS.

General Specifications:

Nominal Capacity (Ah):

10hr. rate 1.80Vpc @ 20°C: 2000

8hr. rate 1.75Vpc @ 77°F: 2000

Nominal Dimensions:

Length (mm): 328

Length (in): 12.9

Height (mm): 226

Height (in): 8.9

Can Depth (mm): 562

Can Depth (in): 22.1

Module Depth (mm): 597

Module Depth (in): 23.5

Typical Weight of Cell(s) in Can (kg): 144.1

Typical Weight of Cell(s) in Can (lbs): 320.3

Internal Resistance Micro-Ohms: 126

Short Circuit Current (Amps): 16548

Electrolyte (1.300 S.G.)

Volume (per cell) (oz): 845

Volume (per cell) (L): 25.0

Weight (per cell) (lbs): 71.6

Weight (per cell) (kg): 32.5

Pure Acid (1.835 S.G.)

Volume (per cell) (oz): 238.0

Volume (per cell) (L): 7.0

Weight (per cell) (lbs): 28.4

Weight (per cell) (kg): 12.9

Lead Weight (per cell) (lbs): 220

Lead Weight (per cell) (kg): 99.8

Additional Details


  • CATV & Broadband
  • Telecom
  • Utilities & Switchgear


  • 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.

  • EnerSys-PowerSafe-DDm-Battery-UBC-Rack-Range-Summary.pdf
  • EnerSys PowerSafe DDm Owners Manual
  • PowerSafe DDm Performance Specs
  • PowerSafe DDm Range Summary
  • SDS Nonspillable Lead Acid Battery
  • PowerSafe DDm mSeries Flooded Batteries Powerplant Disconnect Breaker Brochure