EnerSys Powersafe DDm DDm85-21 Batteries

The EnerSys PowerSafe® DDm DDm85-21 battery range offers an ideal solution for large capacity Valve Regulated Lead-Acid (VRLA) battery requirements. EnerSys PowerSafe® DDm DDm85-21 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 DDm85-21 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: 850

8hr. rate 1.75Vpc @ 77°F: 850

Nominal Dimensions:

Length (mm): 214

Length (in): 8.4

Height (mm): 165

Height (in): 6.5

Can Depth (mm): 519

Can Depth (in): 20.4

Module Depth (mm): 554

Module Depth (in): 21.8

Typical Weight of Cell(s) in Can (kg): 64.5

Typical Weight of Cell(s) in Can (lbs): 142.0

Internal Resistance Micro-Ohms: 309

Short Circuit Current (Amps): 6748

Electrolyte (1.300 S.G.)

Volume (per cell) (oz): 371

Volume (per cell) (L): 11.0

Weight (per cell) (lbs): 31.5

Weight (per cell) (kg): 14.3

Pure Acid (1.835 S.G.)

Volume (per cell) (oz): 105.0

Volume (per cell) (L): 3.1

Weight (per cell) (lbs): 12.5

Weight (per cell) (kg): 5.7

Lead Weight (per cell) (lbs): 85

Lead Weight (per cell) (kg): 38.6