This document provides specifications for a 12V lead-acid battery with the following key details: - Nominal voltage of 12V with a rated capacity of 44Ah at a 20hr discharge rate and dimensions of 197mm x 165mm x 170mm weighing 13.5kg. - Designed for a 10-12 year life at 200C discharge with a high performance Eurobat classification and internal resistance of 9.5mΩ. - Can provide a short-circuit current of 900A and be charged at up to 12A with a minimum safe discharge voltage of 1.6V per cell.

1. Nominal Voltage 12 V
Rated Capacity 20hr Rate (1,80V/cell) 10hr Rate (1,80V/cell) 5hr Rate (1,70V/cell) 1hr Rate (1,60V/cell)
(25 °C) 44 Ah 40 Ah 37,5 Ah 25,3 Ah
Dimensions (mm) Length Width Height Overall Height Weight
& Weight (kg) 197mm 165mm 170mm 170mm 13,50 kg
Number / Type of Terminals 2 / M6
VRLA Battery SPB 12-40
Technical Characteristics
Design Life at 200
C 10-12 years
Eurobat Classification High Performance
Internal Resistance (Fully charged - 250
C) 9,5 mΩ
Short-circuit current 900 A
Max Charging Current 12 A
Min safe end Discharge Voltage 1,60 V/cell
Self discharge per month at 200
C 3%
Recommended Charging Voltage at 200
C Stand-by use (V/cell): 2,25 to 2,30
Cycle use (V/cell): 2,40 to 2,50
Container Material ABS-UL94 HB
Electrolyte Type Sulfuric Acid
Type of plates / Alloy Flat plates / Lead-Calcium-Tin alloy
Type of Separator Absorbant Glass Mat
Valve Type / Operational Pressure Rubber / 1-3 psi (70-200 mbar)
Operating Temperature Range -20 to + 50°C
Storage time at 200
C 9 months
Specifications
SYSTEMS SUNLIGHT S.A.
Headquarters
23rd Km. N.R. Athens - Lamia,
145 65 Agios Stefanos - Attica, Greece
Tel.: +30 210 624 5400,
Fax: +30 210 624 5409
Manufacturing Plant
Neo Olvio
67 200 Xanthi, Greece
Tel.: +30 25410 48100,
Fax: +30 25410 95446
www.sunlight.gr