Bottom Line: While not indestructible or waterproof, as no mod can be, this is a very durable and water resistant mod. Three out of four survived ten drops onto a tile floor from one meter and all four survived ten drops onto a wood floor (all with batteries inside).
If yours drops into a puddle, toilet, etc., you should be able to wash it clean under running water without it leaking as long as you closed the battery door and charging port cover firmly. Never touch the six thin circular rubber membranes inside the top cover. If any of these are broken the mod will allow water inside.
These membranes are made very thin to allow them to break and let some of the gasses from a battery that is venting or in thermal runaway to escape the mod through the venting holes in the battery door.
Photos: https://imgur.com/a/7DEg4PR
More Details: The first two samples I received a while ago leaked badly even in just a couple inches of water. The next two samples I received did not leak into the device but there are a couple things to be aware of if yours is exposed to a lot of water:
– Water can gather just outside the seal in the battery door compartment in the mod. Just wipe it dry if you see this after exposing your mod to a lot of waster.
– Water can get caught inside an empty space in the battery door, making it seem like the mod has leaked. This water cannot get inside the mod though unless one or more of the inner circular rubber membranes are broken.
– There are two front panels for the mod; a decorative external one and the sealed inner one. Water can get behind the external front panel, and be seen over the screen, but that water should not actually be in the mod. It will eventually evaporate out if you leave the mod to dry for a day or two. The mod should be okay to use if this happens as none of this water should actually be inside the mod.
– If the mod is dropped your batteries can become dented on both the postive and negative end. The battery manufacturers say that no damage is acceptable and no data exists about what denting may or may not be safe for each battery. I am forced to err on the side of caution and recommend replacing your batteries if they are at all dented.
This is a great looking durable mod.
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