Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OSBL is...

OSBL is

  • OutSide the Battery Limit

OSBL is also in:

Acronym Definition Searched: QCR CCITT ACP 36921 FTIC 90091 DMD WJPT PCYC QJL KWEB CAP 72566 NDT BCF