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Tubular Series




FEATURES
 Electrolyte contains special additives to get quick recover from deep discharge.

 Low antimony alloy & large top-of-plate-acid head room to facilitate maintenance.

 Excellent charge acceptance.

 Float indicators to check the acid level.

 Under frequent power cut areas carry out equalizing charge once in 2 to 3 months to bring all cells to same level of charge.

ADVANTAGES
 Suitable for frequent power-cuts.
 Tubular designed positive plates provides long life.
 Very low maintenance & long life.
 Eco-friendly Aqua Trap vent plugs to ensure no acid fumes.

INSTRUCTIONS

 Follow & maintain instruction as per warranty card.

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GST  SERIES
Sr. Type Caoacity In AH
at 27.C
Dimensions
in mm
Charging Current
(in AH)
Appx. Wit in Kg. + 5% Elecrolyte Vol.
in Ltr.
Trickle Charge current in mA
in Ltr.
Layout
C20 C10 L W H Intial  Normal Dry Filled (Sp.Gr.1.220) Min. Max.
1 GST 500 50 40 303 170 237 3.00 4.50 13.100 20.500 6.00 40 160 A
2 GST 750 75 60 410 173 240.0 4.50 6.75 18.200 28.500 8.40 60 240 B
3 GST 1000 100 80 512 181 245 6.00 9.00 22.800 35.000 10.00 80 320 C
4 GST 1250 125 100 504 220 257 7.50 11.50 28.400 42.300 11.40 100 400 C
5 GST 1500 150 120 518 273 254 9.00 13.50 33.000 52.100 15.60 120 480 C

IST  SERIES
Sr. Type Caoacity In AH
at 27.C
Dimensions
in mm
Charging Current
(in AH)
Appx. Wit in Kg. + 5% Elecrolyte Vol.
in Ltr.
Trickle Charge current in mA
in Ltr.
Layout
C20 C10 L W H Intial
Normal
Dry Filled (Sp.Gr.1.220) Min. Max.
1 IST 1200 120 100 503 191 410 7.20 11.00 28.400 53.300 20.40 100 400 B
2 IST 1500 150 120 503 191 410 9.00 13.50 34.900 59.800 20.40 120 480 B
3 IST 1800 180 150 503 191 410 10.80 16.20 38.000 62.200 19.80 150 600 B
4 IST 2000 200 160 503 191 410 12.00 18.00 44.500 66.500 18.00 180 720 B



 

 

 

 

 

Intitial  Charging  Instructions
Filling in Gravity of Electrolyte at 27.C 1.220 +0.005
Rest Period 10 - 12  Hrs
Specific Gravity of Electrolyte in fully charged  condition 1.240 + 0.005
Charging Current As per Table
Initial chargeing duration 55  -  60  Hrs.
Test Sp. Gravity 1.250 + -0.005 at 27.C & Cut-off voltage 1.75 volts/cell
at C20 capacity

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