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The FIAMM FG21803 are general purpose batteries designed to achieve optimal performance and to protect critical equipment and processes from power disturbances.

FIAMM FG21803 General Specifications:

Nominal Voltage: 12

Capacity Discharge 20 h rate 1.75V/cell: 18

Weight lb: 12.79

Length In: 7.13

Width In: 2.99

Height In: 6.57

Terminal Type: Flag Ø5.5

Additional Details


  • UPS
  • Renewable Energy
  • 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.

  • FIAMM FG Batteries Brochure
  • FIAMM VRLA Non-Spillable Product Info