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Features

Tubular Technology Deep cycle design (600 — 700 cycles at 80% D.O.D.)
Minimum maintenance Abuse resistant
Electrolyte level indicator Faster recharge
Suited for frequent and long powercuts Operating sp.gr. 1.250 ± 0.005 at 27°C
More than 20% extra electrolyte which means lesser topping-up frequency and better thermal management.    
Technical Specification

Model

Capacity*

Dimension (+/-3mm)

Weight
(Kg +/-5%)

Volume of Electrolyte
(1.220 Sp. Gr) Liters/Cell

Initial charge Minimum AH input (AH)

Initial Charge of Constant Current (A)

Constant Potential Limiting Current (Amps)

Trickle Charge
(Current in mA)



Length



Width



Height*



Dry



Filied
Start (upto 2.36 vpc) Finish (upto 2.75 vpc)


Min.



Max.
INVARED 300

80 Ah

410

176

249

20.80

28.50

1.13

315

8.40

4.20

17.50

70

280

INVARED 400

115 Ah

506

220

257

27.00

40.60

1.85

450

12.00

6.00

25.00

100

400

INVARED 500

150 Ah

506

220

257

34.50

50.10

1.90

585

15.60

7.80

32.50

130

520

INVARED 500+

150 Ah

506

220

273

34.90

52.50

2.40

585

15.60

7.80

32.50

130

520

*The height mentioned is upto terminal top. *At 270C when discharged at C20 upto 1.75 vpc (1.280 sp.gr)
Higher Discharge Rates (Optional)
Hours  

10

5

3

1

Capacity Ah INVARED 300

70

58

50

35

INVARED 400

100

83

72

50

INVARED 500

130

108

93

65

INVARED 500+

130

108

93

65

Initial Charging Instructions
1. Filling in Specific Gravity 1.220 +/ - 0.005 at 27ºC
2. Rest Period 10 hrs
3. Minimum Ah input 315 Ah for INVARED300, 450 Ah for INVARED 400 and 585 Ah for INVARED 500 & 500+
4. In order to reduce the charging time, the following routine may be adopted. For IR300, the initial charging current may be 8.4A upto 2.36 vpc followed by 4.2A upto 2.75 vpc. For IR400, the initial charging current may be 12A upto 2.36 vpc followed by 6A upto 2.75 vpc. For IR500 and IR500+, the initial charging current may be 15.6A upto 2.36 vpc, followed by 7.8A upto 2.75 vpc.

However, in both cases, minimum Ah input to be given. Under no circumstances, battery temperature should not exceed 500C. In case the temperature exceeds 500C adequate rest to be given till the electrolyte temp. comes to ambient temp. and charging to be continued.
5. Conditions of fully charged
3 consecutive hourly readings of specific gravity and voltage become constant.
Top of charge voltage will e around 16.2V – 16.5V.
All cells should gas freely.
Minimum Ah has been given.
6. Specified gravity of fully charged condition 1.250 +/ - 0.005 at 27ºC

Normal Recharging Instructions
Recharging through 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 made at constant potential of 13.5V.
Statutory Notice
All batteries contain lead, which is harmful for humans and environment. As per statutory requirements, the used battery must be returned to the authorized dealer, manufacturer or at the designated collection centres.

 

 
 
 
 
 
 
 
 
 

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