MIL-B-18/7E
Vibration test.
Mechanical-shock test in accordance with MIL-STD-202, method 213, test condition I.
Insulation resistance test in accordance with MIL-STD-202, method 302, test condition letter B, tolerance ±20
volts.
Capacity, D (without storage).
Jacket integrity test.
Conformance inspection.
Visual and mechanical (external)
Battery voltage.
Insulation-resistance test in accordance with MIL-STD-202, method 302, test condition letter B, tolerance ±20
volts.
Vibration test.
Mechanical-shock test in accordance with MIL-STD-202, method 213, test condition I.
Jacket integrity test.
Electrode leakage.
Capacity, D and T.
Methods of examination and test:
Capacity tests: See requirements for capacity specified herein.
Storage:
Test
Period
D
12 months
T
90 days
Open-circuit voltage: After completion of storage for D test specified, the open-circuit voltage shall be not less
than 4.45 volts when measured at ambient storage conditions.
Discharge: The battery shall be discharged through 20 ohms for 4 minutes per hour, 10 hours per day, 5 days per
week. This cycle shall be repeated continuously to a test-end voltage of 2.8 volts.
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 resistant value of 19.95 ohms.
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