Product Safety Recalls

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Underwater Communication Devices

Description: This recall involves the PowerCom 3000D, 5000D and MilCom 6000D underwater communication devices sold with the RBLi-4 Lithium battery pack and the batteries that are also sold separately. The PowerCom, MilCom and RBLi-4 products are used in all SCUBA diving. The recalled RBLi-4 battery packs are in a waterproof housing and supply power to the PowerCom and MilCom products. PowerCom and MilCom along with the model numbers are printed on the front of the underwater communication devices. [Learn More]

About 500 (In addition, about 36 were sold in Canada) units were affected by this recall.

Underwater Communication Devices
Ocean Technology Systems Recalls Underwater Communication Devices Due to Fire Hazard

Recalled PowerCom 3000D, 5000D, MilCom 6000D, RBLi-4 underwater communication devices. Recalled RBLi-4 battery pack

Underwater Communication Devices Recall Information

Country of OriginUnited States
Recall Date07/28/2022
Recall ID9360
Recall Number22191
HazardWater can leak into the recalled underwater communication device during a dive and penetrate into the battery pack, causing the battery circuit board to short and ignite after the dive, posing a fire hazard.
InjuriesThe firm has reported one small fire with the battery's PC circuit board during testing. No injuries have been reported.
RemedyConsumers should immediately stop using the recalled Powercom, MilCom and RBLi-4 communication devices, remove the battery and contact the firm to receive a free battery pack that has been sealed to prevent water leakage. The firm will provide instructions for properly disposing lithium-ion batteries according federal and state regulations.
Remedy OptionRepair
ContactOcean Technology Systems at 800-550-1984 from 6:30 a.m. to 4 p.m. PT Monday through Thursday and on Friday from 6:30 a.m. to 3 p.m. PT, email at [email protected] or online at or and click on "recall" at the bottom of the page for more information.
Last Updated07/28/2022
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