During routine testing of expired unused batteries by ship inspectors, Ocean Signal has been advised of incidence of failure of unused batteries with the seal still intact. Investigation of the failed packs indicates that the batch of cells used in the manufacture of the LB4V / 1061 batteries within the expiration date range February 2020 through September 2023 may be liable to premature failure. This service advisory is intended to notify customers of a test and exchange policy for failed LB4V / 0161 Lithium batteries within this expiry date range and not exceeding September 2023.
Service Information Letter-V100 Battery Replacement-1-1.pdf