https://www.bigblue.com.hk/product-page/eos-canister-backmount-sidemount-connector
EOS Canister Backmount / Sidemount Connector | BigBlue Headquarter
Compatible with EOS Canister Backmount battery body, EOS Canister Sidemount battery body, EOD Canister Backmount battery body and EOD Canister Sidemount...
eoscanisterbackmountsidemountconnector
https://yellowdiving.eu/yellow-diving-home/yellow-diving-products/zasoby-grzewcze/perch-h-piezo-backmount-2/
PERCH H Piezo Backmount - Yellow Diving
Sep 4, 2025 - PERCH canister/tank with piezo switch and backmount configuration. See full description and technical specification.
perchpiezobackmountyellowdiving