MIL-B-18/79D
First article inspection in accordance with MIL-B-18:
Visual and mechanical (external and internal).
Battery voltage.
Waterproofing-of-jacket test (when applicable).
Electrolyte leakage.
Capacity, D (without storage).
Conformance inspection in accordance with MIL-B-18:
Visual and mechanical (external).
Battery voltage.
Waterproofing-of-jacket test (when applicable).
Capacity, D and T.
Method of examination and test:
Capacity tests: See requirements for capacity specified herein.
Storage:
Test
Period
D
18 months
T
90 days
Discharge:
The battery shall be discharged through .5 ohms for 4 hours, then on open circuit for 20
hours. This cycle shall be repeated 5 days per week continuously to a test-end voltage
of 0.9 volt.
Closed circuit voltage:
Use TS-183 ( )/U test per special marking or, with minimum permissible
voltage as specified for TS-183 ( )/U, use a load resistance value of 5.983
ohms.
Special marking on each unit package:
TO TEST THIS BATTERY WITH TS-183 ( )/U:
USE JACK NO.
MINIMUM PERMISSIBLE VOLTAGE
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1.40
Unless expressly authorized, this test information shall
apply to Army and Air Force applications only.
Part or Identifying Number (PIN): BA-401/U, see 1.2 of MIL-B-18.
The margins of this specification are marked with vertical lines to indicate where changes from the
previous issue were made. This was done as a convenience only and the Government assumes no
liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to
evaluate the requirements of this document based on the entire content irrespective of the marginal
notations and relationship to the last previous issue.
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