Powersonic PS-490 4 Volt 9.0 AH Battery

Powersonic PS-490 4 Volt 9.0 AH Battery
Powersonic PS-490 4 Volt 9.0 AH Battery
Item# PS-490
$20.00

Powersonic PS-490 4 Volt 9.0 AH Battery
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Physical Dimensions: in (mm)
L: 4.01 (102) W: 1.73 (44) H: 3.74 (95) HT: 4.02 (102)
Performance Specifications
Nominal Voltage ...........................................................................4 volts (2 cells)
Nominal Capacity
20-hr. (450mA to 3.5 volts) ............................................................... 9.0 AH
10-hr. (830mA to 3.50 volts) ............................................................. 8.3 AH
5-hr. (1.53A to 3.40 volts) ............................................................... 7.7 AH
1-hr. (5.6A to 3.00 volts) ................................................................. 5.6 AH
15-min. (17.6A to 2.70 volts) ..................................................................4.4 AH
Approximate Weight ........................................................... 2.20 lbs. (1.00 kg)
Energy Density (20-hr. rate) ................................ 1.39 W-h/in3 (84.67 W-h/l)
Specifi c Energy (20-hr. rate) ............................. 16.36 W-h/lb (36.08 W-h/kg)
Internal Resistance (approx.) ...................................................... 11 milliohms
Max Discharge Current (7 Min.) ................................................ 27.0 amperes
Max Short-Duration Discharge Current (10 Sec.) .................. 90.0 amperes
Shelf Life (% of nominal capacity at 68F (20C))
1 Month ...................................................................................................... 97%
3 Months ..................................................................................................... 91%
6 Months .................................................................................................... 83%
Operating Temperature Range
Charge .. ........................................................... -4F (-20C) to 122F (50C)
Discharge ....................................................... -40F (-40C) to 140F (60C)
Case ...................................................................................................... ABS Plastic
Power-Sonic Chargers ..........3 batteries in series with PSC-12800A, 122000,12800A-C, 122000A-C