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© 2003 American Tech Supply
cable, vdsl, patch
Battery Backup Systems &
Power Supplies
Flooded (Vented) Batteries
SR Series
STZ Series
STT Series
ZR Series

Specialty Batteries
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M2000 Battery Monitor/Analyzer

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Product Categories

SBS-STZ Series

Low-Maintenance Vented Batteries

SBS "STZ" series batteries are 25-year stationary batteries which are characterized by their high tolerance to cycling, low maintenance, and long life. They are used as back-up power supplies in power stations, nuclear power stations, substations, and telecommunication equipment.

The STZ’s lead selenium cell structure represents the best possible compromise in lead acid plate technology. By utilizing a proportion of selenium in the grid alloy, a dense fine grain structure is produced. This alloy is extremely corrosion-resistant and virtually eliminates inter-granular corrosion — one of the most common causes of cell failure. A lead selenium cell, therefore, combines the advantages of both lead calcium and lead antimony cells while exhibiting none of the disadvantages.

Applications:

  • Utility
  • Telecom
  • Energy Storage

Features:

  • Long life with maximum reliability
  • Watering intervals — 3 years
  • Improved charging efficiency
  • High cycle life: over 1,000 cycles at 80% depth of discharge
  • No positive plate growth
  • Better able to withstand high temperatures than lead calcium batteries
  • Eliminates premature failures due to antimonial poisoning
  • Maintenance-free intercell connections
  • Tank formed plates

 

 

Technical Data

Part No.
8h
AH
Rate
Cell
Dimensions
(inches)
Weight
(lbs)
Internal
Resistance
(mOhms)
Short
Circuit
(amps)
No. of
positive
plates
STZ-220
220
4.06L x 8.11W x 15.94H
37.8
0.97
2,060
4
STZ-266 266 4.88L x 8.11W x 15.94H 45.8 0.78 2,548 5
STZ-320 320 5.71L x 8.11W x 15.94H 53.5 0.66 3,021 6
STZ-390 390 4.88L x 8.11W x 20.47H 59.2 0.72 2,759 5
STZ-465 465 5.71L x 8.11W x 20.47H 69.3 0.61 3,268 6
STZ-535 535 6.54L x 8.11W x 20.47H 79.4 0.53 3,745 7
STZ-650 650 5.71L x 8.11W x 27.36H 98.6 0.49 4,016 6
STZ-835 835 8.27L x 7.52W x 27.36H 135 0.36 5,525 8
STZ-1075 1,075 8.27L x 9.17W x 27.36H 164 0.29 6,849 10
STZ-1300 1,300 8.27L x 10.83W x 27.36H 194 0.24 8,163 12
STZ-1730 1,730 8.27L x 10.83W x 33.27H 251 0.23 8,621 12
STZ-2200 2,200 8.35L x 15.63W x 32.36H 319 0.18 10,870 15
STZ-2300 2,300 8.35L x 15.63W x 32.36H 334 0.17 11,561 16
STZ-2900 2,900 8.35L x 19.17W x 32.36H 418 0.13 14,493 20
STZ-3550 3,550 8.35L x 22.68W x 32.36H 495 0.11 17,241 24
STZ-4170 4,170 16.9L x 18.0W x 33.4H 783 0.088 23,770 16
STZ-5200 5,200 16.9L x 21.8W x 33.4H 972 0.07 29,715 20
STZ-6250 6,250 16.9L x 25.3W x 33.4H 1,115 0.058 35,655 24
STZ-8400 8,400 16.9L x 34.7W x 33.4H 1,496 0.044 47,545 32
STZ-10420 10,420 16.9L x 42.4W x 33.4H 1,881 0.035 59,430 40
STZ-12500 12,500 16.9L x 42.4W x 33.4H 2,204 0.029 71,315 48

 

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