A battery of this size with 3400 mAh is already ne ordinary force Grumpy. The protection is useful for purely mechanical components that do not have its own electronics for power control. With 6.8 Amps you have to turn only to see if the current flow is not too high.
All in all, highly recommended - wenns fit in size. Unfortunately, I had the misfortune to me half a millimeter was missing and had to return so again. The trader Kuffner AG has proven unproblematic and is recommended.
