The PowerSonic PS-640 is a 6V, 4.5Ah Rechargeable Sealed Lead Acid Battery. The PS-640-F1 uses .187 terminals, also known as F1 terminals. This battery is used in a variety of applications, including Burglar Alarm Systems, Access Control Systems, Fire Alarm Systems, and virtually any other application that requires a 6 volt, 4.5Ah SLA battery.
UPC: 813340010116
Also known as: PW-PS640F1, PS640F1
Technical Specifications:
- Power-Sonic Chargers: PSC-6500A-C
- Case: ABS Plastic
- Operating Temperature Range:
Charge: -4°F (-20°C) to 122°F (50°C) Discharge: -40°F (-40°C) to 140°F (60°C) - Shelf Life (% of nominal capacity at 68°F (20°C)):
1 Month: 97% 3 Months: 91% 6 Months: 83% - Max Short-Duration Discharge Current (10 Sec.): 45.0 amperes
- Max Discharge Current (7 Min.): 13.5 amperes
- Internal Resistance (approx.): 40-45 milliohms
- Specific Energy (20-hr. rate): 16.88 W-h/lb (37.20 W-h/kg)
- Energy Density (20-hr. rate): 1.33 W-h/in3 (81.46 W-h/l)
- Approximate Weight: 1.60 lbs. (0.73 kg)
- Nominal Capacity:
20-hr. (225mA to 5.25 volts): 4.50 AH 10-hr. (410mA to 5.25volts): 4.10 AH 5-hr. (650mA to 5.10 volts): 3.25 AH 1-hr. (2.75A to 4.50 volts): 2.75 AH 15-min. (9A to 4.50 volts): 2.25 AH - Nominal Voltage: 6 volts (3 cells)
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