Can I assume a marine battery is waterproof?
Do not treat a marine application label as permission to immerse a battery. LBP’s FAQ explicitly distinguishes getting wet from submersion and says submersion voids its warranty. The actual product documentation should guide the allowed environment for the model you own.
A boat installation also involves terminals, wiring, chargers and mounting arrangements with their own requirements. A battery’s enclosure claim does not establish protection for every connected part. Ask the installer how the complete system will be protected in the planned location, including conditions that differ from normal spray.
Which water-resistance specification should I use?
Use the confirmed specification for the exact model and revision, and ask LBP to resolve inconsistent public descriptions before relying on a rating. A general FAQ and an individual product description should not be combined into a new rating that neither explicitly guarantees for your battery.
Record the model, serial number and the document you are using. Ask whether the specification applies to the enclosure, whether particular installation conditions are required and what exposure is excluded. This guide deliberately does not assign one protection rating to the full LBP range.
What should I do after a battery has been submerged?
Stop use and contact LBP for situation-specific handling guidance before charging, testing or arranging transport. Describe the type of exposure, whether the battery was connected and any visible damage or unusual heat. Do not reopen the enclosure or improvise a drying procedure.
Keep people away from a battery showing signs of a developing hazard and contact emergency services if there is smoke, fire or an immediate danger. A warranty discussion can wait until the situation is safe. Being dry on the outside does not by itself establish that an immersed battery is safe to use.
What information should I provide to support?
Provide the product identity, exposure history and photographs that can be taken without handling an unsafe battery. Describe the installation location and whether other electrical components were affected. Ask what can remain in place and what requires a qualified inspection.
Use the support center and read the return preparation guide before considering shipment. Do not assume a damaged battery can use ordinary return packaging. For other ownership questions, visit the lithium battery guides. A remote inquiry does not establish safety, repairability or coverage for the incident.
Last reviewed 2026-11-11