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Page Title:
Chapter 2: SPECIFIC DATA FOR BB-693A/U BATTERY |
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  TM 11-6140-203-14-4&P
CHAPTER 2
SPECIFIC DATA FOR BB-693A/U BATTERY
2-1. Tabulated Data for B 693/U
Type............................................................................ Nickel-Cadmium (vented).
Number of Cells.......................................................... 19 BB-600A/A.
Electrolyte................................................................... Potassium hydroxide (KOH), 31 percent (by weight)
in distilled water.
Operating range:
0
0
Temperature.......................................................... -40° F(-40' C) to 125 F (51.7 C).
Atmospheric pressure ........................................... Sea level to 100,000 feet (0.4 inch of mercury).
Storage:
Duration ...................................................................... Unlimited, regardless of state of charge.
Temperature ............................................................... -650 F to 1650 F (73.9° C).
Atmospheric pressure ................................................ Sea level to 100,000 feet (0.4 inch of mercury).
Electrical:
Rating .................................................................... 30 ampere hours at 1 hour rate, 40 amperes-hours
at 5 hour rate.
Current::
0
0
At temperature of approximately 75 F (240 C) ... 8 amperes for approximately 5 hours; 30 amperes
for approximately 1 hour, 270 amperes for
approximately 5 minutes.
*
0
At temperature of approximately-22 F (30 C)...... 270 amperes for approximately 3 minutes.
Voltage:
Open circuit at J2 .................................................. Approximately 2 volts (fully charged with 24-hour
rest period).
Open circuit at J1 .................................................. Approximately 9 volts (fully charge with 24-hour
rest period).
Under load at J2:
0
Temperature of approximately 75 F (24° C):
8-ampere load .................................................. 24 volts decreasing to not less than 19.2 volts in 5 hours.
30-ampere load ................................................ 24 volts decreasing to not less than 18 volts in 1 hour.
270-ampere load .............................................. 24 volts decreasing to not less than 14.4 volts in 5 minutes.
772-ampere load
24 volts decreasing to not less than 11.0 volts in 1 minute (3,
20 second pulses).
Temperature of approximately - 22' F (-30° C):
270-ampere load .............................................. 24 volts decreasing to not less than 14.4 volts in 3 minutes.
Battery terminal links:
Material.................................................................. .Nickel-plated copper.
Number ................................................................. 19.
Cell plate materials:
Positive (charged) ................................................. Nickel oxide.
Negative (charged)................................................ Cadmium.
Separator material ...................................................... Plastic laminate.
Cell case material ....................................................... Molded Nylon.
Connector type (24-volt) ............................................. MS3509 (J2).
Connector type (8.4-volt) ............................................ MS3102R-16-12S (J1).
2-1
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