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| Power-Sonic Model PS-628 Sealed Lead-Acid
Battery |
Order Part Number:
PS-628
| General
Specifications |
| Dimensions: |
| Length |
2.60 inches |
66 millimeters |
| Width |
1.30 inches |
33 millimeters |
| Height |
3.86 inches |
98 millimeters |
| Height over Terminals |
4.06 inches |
103 millimeters |
| Approximate Weight |
1.25 pounds |
0.57 kilograms |
| Terminals: |
Quick Disconnect Tabs
(0.187"x0.032") |
| Case: |
ABS Plastic |
| Electrical
Specifications |
| Nominal Voltage: |
6 Volts (3 cell in
series) |
| Nominal
Capacity: |
| 20 hour rate |
(140mA to 5.25 volts) |
2.80 AH |
| 10 hour rate |
(260mA to 5.25 volts) |
2.60 AH |
| 5 hour rate |
(460mA to 5.10 volts) |
2.30 AH |
| 1 hour rate |
(1700mA to 4.50 volts) |
1.70 AH |
| Energy Density (20 hour
rate) |
1.29 Watt-hours/cubic inch |
78.7 Watt-hours/l |
| Specific Energy (20 hour
rate) |
13.5 Watt-hours/pound |
29.7 Watt-hours/kg |
| Internal Resistance (Fully Charged
Battery) |
19.3 milliohms
(approx.) |
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Charging :
Cycle Applications: Limit initial current to 560mA. Charge until battery
voltage (under charge) reaches 7.20 to 7.35 volts at 68º F (20º C).
Hold at 7.20 to 7.35 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 6.75 to 6.90 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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