Water Proof Battery

https://www.worldpowerbattery.com/products/water-proof-battery/

Water Proof Battery is a battery with waterproof function. It is specially designed for use in wet, flooded or harsh environments to protect the internal circuitry from moisture damage. Battery waterproof usually adopts sealed structure and waterproof materials to ensure the safety and protection of powered parts. This battery can be widely used in outdoor activities, water sports, military equipment and industrial equipment, providing users with efficient and reliable power solutions.