1. There is a bayonet inside to fix the battery, prevent the battery from rolling, and protect the battery. The 5th battery and the 7th battery box on the market are different. This box is universal, and one box can take care of both. The use of a battery.
2. This product is well designed and made of PP high temperature resistant material, which is safe and reliable.
What's in the box:
1 x empty box [battery not included]