MIL-DTL-16377/53D
LED upgrade kit:
The LED retrofit kit shall convert a Symbol 100.2, 100.3, 101.2, 101.3,
102.2, or 108 lantern into a Symbol 100.2L, 100.3L, 101.2L, 101.3L,
102.2L, or 108L (LED) lantern. The LED retrofit kit shall consist of
plexiglass or plastic lens in accordance with MIL-E-917 and
MIL-DTL-24191, an LED mounted on a backplate that will fit in place of
the incandescent assembly. The assembly shall also provide a watertight
seal to preserve the watertight integrity of the lantern.
Charger/control module (for Symbol 100.3, 100.3L, 101.3, and 101.3L only) 1/:
Power input:
115 VAC.
High voltage cutoff:
6.9 V nominal.
5.25 5.5 V nominal.
Low voltage cutoff:
Maximum charging current:
500 mA.
Recharging activation:
The charger/control module shall automatically initiate charging once the
battery has less than 90 percent of full charge and 115 VAC power is
restored.
Lantern activation:
Symbols 101.3 and 101.3L: The charger/control module shall automatically turn the lantern on when
there is a loss of 115 VAC power and remain on until the battery reaches
the low voltage cutoff.
Symbols 100.3 and 100.3L: The charger/control module shall turn the lantern on when the toggle switch
is placed into the "on" position.
Maximum recharge time:
16 hours.
Electromagnetic interference: In accordance with RE101, RE102, CE101, and CE102 requirements of
MIL-STD-461.
Terminals:
Shall connect to/make contact with the existing battery contact connectors
(see figure 20).
Dimensions:
The charger/control module shall have identical dimensions of a Type
BA-200/U battery in accordance with ANSI C18.1M.
Note: All electrical components contained in the charger/control module shall be completely sealed against gases
and moisture.
Red/Green LED indicator (for Symbols 100.3, 100.3L, 101.3, and 101.3L):
The Red/Green LED indicator shall be mounted on the rechargeable top
plate (Bulkhead Mount - see figure 9) and rechargeable handle assembly
(Portable - see figure 8) such that it can be readily visible from the front of
the lantern. The LED indicator shall have four modes of operation. No
illumination shall be indicative of the absence of 115 VAC or a defective
LED indicator. A solid green output shall indicate the battery is fully
charged. A blinking green output shall indicate the battery is charging. A
solid red output shall indicate a failed charging circuit. A blinking red
output shall indicate a battery failure.
Wiring/connections (for Symbols 100.3, 100.3L, 101.3, and 101.3L):
Appropriate wiring for the charger/control module and the LED indicator
assembly shall be supplied as part of the rechargeable retrofit kit. The
connections between the power input leads and charger/control module and
the connections between the LED indicator assembly and the
charger/control module shall be made using crimp style connectors.
Time of lamp illumination (for Symbols 100.3, 100.3L, 101.3, and 101.3L):
Not less than 4 hours before the lantern reaches the low voltage cutoff of
5.25 5.5 V.
Batteries (for Symbols 100.2, 100.2L, 101.2, 101.2L, 102.2, 102.2L, 108, and 108L lanterns):
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