VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET
| Cycle long life type. |
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| For main power supplies. |
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| 1.79 |
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| 6.496±0.079 (165±2) | (8.3) | (2.2) | (12) | 4.921±0.079 (125±2) |
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| 5.28 (134) |
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| 0.33 | 0.09 | 0.47 | 0.47 (12) | |
| 3.54 (90) | ||||
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| 0.39 (9.8) |
| 6.890±0.079 (175±2) |
| 6.43 (163.4) |
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| 4.88 (124) |
Photo/Label for reference only. | Battery case resin: Standard (UL94HB) Color is black. |
Specifications
| Nominal Voltage | 12V | ||
Rated Capacity (20 hour rate) | 28Ah | |||
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| Length | 6.496 inches (165 mm) | |
Dimensions | Width | 4.921 inches (125 mm) | ||
Height | 6.890 inches (175 mm) | |||
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| Total Height | 7.07 inches (179.5 mm) | |
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| Approx. mass | 24.34 lbs. (11 kg) | ||
Standard Terminals | UL94HB M5 Threaded Post |
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and Resin |
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Characteristics
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| 20 hour rate (1.4A) | 28Ah | |
Capacity (note) | 10 hour rate (2.65A) | 26.5Ah | ||
5 hour rate (4.8A) | 24Ah | |||
77˚F (25˚C) | 1 hour rate (18A) | 18Ah | ||
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| 1.5 hour rate discharge | 14A | |
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Internal Resistance | Fully charged battery | Approx. 10mΩ | ||
77˚F (25˚C) | ||||
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Temperature | 104˚F (40˚C) | 102% | ||
dependency | 77˚F (25˚C) | 100% | ||
of capacity | 32˚F (0˚C) | 85% | ||
(20 hour rate) | 5˚F | 65% | ||
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| Residual capacity | 91% | |
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| after standing 3 months | ||
Self discharge |
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Residual capacity | 82% | |||
77˚F (25˚C) | ||||
after standing 6 months | ||||
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| Residual capacity | 64% | |
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| after standing 12 months | ||
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Charge | Cycle use | Initial current | 11.2 A or smaller | |
Method |
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(Repeating |
| 14.5V to 14.9V | ||
(Constant | Control voltage | |||
use) | (per 12V cell 25˚C) | |||
Voltage) |
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(Note) The above characteristics data are average values obtained within three charge/discharge. Cycles not the minimum values.
Discharge characteristics 77°F (25°C) (Note)
| 14.4 |
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| 13.8 |
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(V) | 13.2 |
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12.6 |
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Voltage | 12.0 |
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10.8 |
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| 11.4 |
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Terminal |
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| 1.4A |
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10.2 |
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| 7A |
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| 9.6 |
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| 28A |
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| 9.0 |
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| 8.4 |
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| 7.8 |
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| 7.2 |
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| 0 | 1 | 10 |
| 100 | 1000 2000 |
Duration of discharge vs. Discharge current (Note)
2000
1000
(minutes) |
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100 | 0˚C | 40˚C |
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of Discharge |
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Duration | 10 |
| 25˚C | |
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1
1 | 3 | 5 | 10 | 30 | 50 | 100 |
VRLA BATTERIES | AUGUST 2003 |
This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject to modification without notice. Contact Panasonic for the latest information.