Dropping a camera battery to the ground is not considered a physical impact.
The batteries have all passed the drop test. The fully charged battery was dropped from a height of 1.9 m and placed on a 5 cm thick hardwood board on the cement floor. Each side was dropped twice and all 6 sides. were abandoned. It will not break, catch fire or leak, and the performance and appearance of the battery will not be affected.
Don't drop it often, because the positive and negative separators of lithium batteries are relatively thin (the thickness of the battery is here). Once pierced during the falling process, it will cause an internal short circuit). into the battery, causing permanent damage to the battery.