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You are here: Home > Industrial > Application & Products > Stand By > Inverter
Inverter
Inva Queen
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Advantages
Better thermal management Easy maintenance
Customised exclusively for Inverters Expected life — 2 years plus - under arduous conditions
Special polythelene 'envelope' separator reduces the probability of internal short circuit, thus enhancing the service life. Better Reliability
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.
INVAQUEEN 300

90 Ah

410

176

249

20.30

29.80

1.30

265

9.00

4.50

19

75

300

INVAQUEEN 450

135 Ah

506

220

257

28.00

42.60

2.00

400

14.00

7.00

28.50

114

456

INVAQUEEN 500+

150 Ah

506

220

273

33.00

50.83

2.50

440

15.00

7.50

32

125

500

*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 INVAQUEEN 300

75

66

58

43

INVAQUEEN 450

114

100

89

66

INVAQUEEN 500+

125

110

97

72

Initial Charging Instructions
1. Filling in Specific Gravity 1.220 +/ - 0.005 at 27º C
2. Rest Period 10 - 12 hrs
3. Minimum Ah input 265 Ah for INVAQUEEN 300 and 400 Ah for INVAQUEEN 450, 440 Ah for INVAQUEEN 500+
4. In order to reduce the charging time, the following routine may be adopted. for INVAQUEEN 300,450 the initial charging current may be 9.0A upto 2.36 vpc followed by 4.5A upto 2.75 vpc. For INVAQUEEN 500+, the initial charging current may be 15.0A upto 2.36 vpc followed by 7.5A 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 matches 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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