Contact No : +91 - 77080 20128 / 2624 6659

Flooded Tubular Plate,Regular-STANRED

FEATURES

  • More than 20% extra Electrolyte which means lesser Topping-up Frequency and Better Thermal Management
  • Tubular Technology
  • Minimum Maintenance
  • Withstand Frequent and Long Power-cuts
  • Abuse Resistant
  • Electrolyte Level Indicator for easy Top-up
  • Deep Cycle Design (600-700 cycles at 80% DOD)
  • Faster Recharge
  • Operating Sp. Gr. 1.2500.005 at 27C
APPLICATION

  • Home UPS & Inverters

SPECIFICATIONS CHART
Battery
Type
Nominal
Volts
Rated Capacity (Ah) at 27C (1.280 sp.gr.) Dimensions (mm) ± 3 mm Weight ± 5 ‰
(Kg)
20 Hr @
1.75V/Cell
10 Hr @
1.75V/Cell
5 Hr @
1.75V/Cell
3 Hr @
1.75V/Cell
1 Hr @
1.75V/Cell
Length Width Height* Dry Filled
STANRED300 12 115 100 83 72 50 506 220 257 27.00 40.60
STANRED500+ 12 150 130 108 93 65 506 220 273 31.00 48.00
*the height mentioned is up to terminal top.

BATTERY CHARGING SCHEDULE
Battery
Type
Nominal
Volts
Rated Capacity (Ah) at 27C 20hr @ 1.75V / Cell Initial Charge at Constant Current (A) Minimum Ah Input During Initial Charge Approx. Acid Qty (1.220 Sp. Gr.) in ltrs/Cell Constant Potential Limiting Current (A) Trickle Charge Current (mA)
Start (upto 2.36 vpc) Finish (upto 2.75 vpc) Min Max
STANRED300 12 80 8.40 4.20 315 1.13 17.5 70 280
STANRED400 12 115 12.00 6.00 450 1.85 25.0 100 400
STANRED500+ 12 150 15.60 7.80 585 2.40 32.5 130 520
Initial Charging Instructions
  • Filling in specific gravity 1.220 0.005 at 27 C
  • Rest period 12 hrs.
  • Minimum Ah input as per above chart.
  • In order to reduce the charging time, the initial charging current would be as specified till 2.36 Volts/Cell followed by finishing current as specified till 2.75 Volts/Cell.
  • However in both cases, Minimum Ah input to be given. Under no circumstances, battery temperature should exceed 50 C.
  • In case the temperature exceeds 50 C, adequate rest to be given till the electrolyte temperature comes to ambient temp. and charging to be continued
  • Condition of fully charged
    • 3 consecutive hourly readings of specific gravity and voltage become constant
    • Top of charge voltage will be around 16.2V 16.5V
    • All cells should gas freely.
    • Minimum Ah has been given
  • Specific gravity at fully charged condition 1.2500.005 at 27C
Normal Recharging Instructions
Battery should be re-charged through an Inverter at constant potential mode of 14.4V with limited current as specified. After battery potential reaches 14.4V, the battery should continue in float charge mode at constant potential of 13.5V.,


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