TM 11-6140-203-14-3
2-13. Weight and Dimensions
Battery, Storage BB-672/U (NSN 6140-00-777-3322) weighs approximately 2 pounds. The battery is 4 1/64
inches high, 2 13/32 inches wide, and 3 1/4 inches deep. Refer to figure 2-9 for a physical layout of the battery.
No repair parts are authorized.
2-14. Physical Characteristics of BB-671/U (Cell)
The overall dimensions of Battery, Storage BB-671/U (cell) (NSN 6140-00-764-1624) are 4 1/16 inches high, 2
9/64 inches wide, 2 1/32 inch deep, and weighs approximately 6 3/10 ounces. Refer to figure 2-9 for cell layout
of the BB-672/U
SECTION VII. BATTERY, STORAGE BB-693A/U
2-15 Tabulated data for BB-693A/U
charged with 24-hour rest
Type ................................ Nickel-cadmium (vented).
period).
Number of cells ............... 19 BB-60cA/A.
Open circuit at J1 ...... Approximately 9 volts (fully
Electrolyte ....................... Potassium hydroxide (KOH), 31
charged with 24-hour rest
percent (by weight) in distilled
period).
water.
Under load at J2:
Operating range:..............
Temperature of approx-
Temperature ............. -40F. (-40C.) to 125F.
imately 750 F. (23.9C.):
(51.7C.).
8-ampere load ........... 24 volts decreasing to not less
Atmospheric pressure Sea level to 100,000 feet (0.4 inch
than 19.2 volts in 5 hours.
of mercury).
30-ampere load ........ 24 volts decreasing not less
Storage:
than 18 volts in 1 hour.
Duration.................... Unlimited, regardless of state of
270-ampere load ....... 24 volts decreasing to not less
charge
than 14.4 volts in 5 minutes.
Temperature ............. -65 . to 165 F. (73.9C.).
F
772-ampere load ....... 24 volts decreasing to not
less
Atmospheric pressure ....Sea level to 100,000 feet (0.4 inch
than 11.0 volts in I minute (3,
of mercury).
20 second pulses).
Electrical
Temperature of approx-
Rating....................... 30 ampere hours at I hour rate,
Imltel -22F. (-30
40 ampere-hours at 5 hours
C):
rate.
270-ampere load ...... 24 volts decreasing to not less
Current: ...........................
than 14.4 volts in 3 minutes.
At temperature of ......
Battery terminal links:
approximately 75F. .
Material ..................... Nickel-plated copper.
(23.90 C.) ........................ 8 amperes for approximately 5
Number ..................... 19.
hours; 30 amperes for approx-
Cell plate materials:
imatey 1 hour, 270 amperes
Positive (charged)...... Nickel oxide.
for approximately 5 minutes.
Negative (charged) ....Cadmium.
At temperature of
Separator material ............ Plastic laminate.
approximately -22F.
Cell case material............. Molded Nylon.
(30C.) ..................... 270 amperes for approximately 3
Connector type (24-vol) ....Elcon (16163-7) (12).
minutes
Connector type (8.4-volt) ..MS3102R-16-12S (11).
Voltage:
Connector type Near) ....... M3102R-14A-7P (3).
Open circuit at J2...... Approximately 25 volts (fully
2-10