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www.enersys.com
Publication No. US-MP-OM-001
March 2017
1.0 GENERAL INFORMATION
1.1 Introduction
EnerSys
®
modular valve-regulated lead acid (VRLA) batteries have unique features that make
them easy to install and maintain. These batteries are composed of absorbed glass mat (AGM)
separators with flat plates and electrolyte.
The AGM retains the electrolyte between the plates to ensure long float service.
PowerSafe
®
batteries utilize calcium alloy grids (NO cadmium) which float at a lower current than
antimony (Sb) grids. Lower float currents, in conjunction with superior and uniform thermal
management, reduce the chances of thermal runaway. (Temperature compensation chargers
are also recommended.)
PowerSafe
®
VRLA batteries typically do not require a seperate battery room or “Hood” exhaust
system like traditional Vented Lead Acid (VLA) Batteries. However, they do require adequate
ventilation and should not be placed in “air tight” locations.
Systems are available in 24 VDC and 48 VDC configurations. These systems allow for assembly
at remote locations.
See the included with the product shipment to determine the
configuration for your installation.
Before installation: Verify items received versus Bill of Lading. Verify parts against system Bill of
Materials.
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