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| Power-Sonic Model PS-1228 Sealed Lead-Acid
Battery |
Order Part Number:
PS-1228
| General
Specifications |
| Dimensions: |
| Length |
5.24 inches |
133 millimeters |
| Width |
1.30 inches |
33 millimeters |
| Height |
2.82 inches |
97 millimeters |
| Height over Terminals |
4.09 inches |
104 millimeters |
| Approximate Weight |
2.55 pounds |
1.16 kilograms |
| Terminals: |
Quick disconnect tabs
(0.187" x 0.032") |
| Case: |
ABS Plastic |
| Electrical
Specifications |
| Nominal Voltage: |
12 Volts (6 cell in
series) |
| Nominal
Capacity: |
| 20 hour rate |
(140mA to 10.50 volts) |
2.80 AH |
| 10 hour rate |
(265mA to 10.50 volts) |
2.65 AH |
| 5 hour rate |
(480mA to 10.20 volts) |
2.40 AH |
| 1 hour rate |
(1650mA to 9.00 volts) |
1.65 AH |
| Energy Density (20 hour
rate) |
1.29 Watt-hours/cubic inch |
78.9 Watt-hours/l |
| Specific Energy (20 hour
rate) |
13.2 Watt-hours/pound |
29 Watt-hours/kg |
| Internal Resistance (Fully Charged
Battery) |
45 milliohms
(approx.) |
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Charging :
Cycle Applications: Limit initial current to 750mA. Charge until battery
voltage (under charge) reaches 14.40 to 14.70 volts at 68º F (20º C).
Hold at 14.40 to 14.70 volts until current drops to approximately 28mA. Battery
is fully charged under these conditions, and charger should either be
disconnected or switched to "float" voltage."Float" or "Stand-by Service":
Hold battery across constant voltage source of 13.50 to 13.80 volts
continuously. When held at this voltage, the battery will seek its own current
level and maintain itself in a fully charged condition.
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