1. Thick workmanship, wear-resistant and durable, the interface is not easy to damage for long time use 2. Easy to install, interface fit tightly 3. Can be disassembled at will, convenient to use 4. Prevent oxidation and short circuit, prevent the battery contacts from being exposed to moisture and oxidation for a long time 5. Dust, moisture and debris prevention, preventing conductive particles from entering the current contacts resulting in short circuit 6. Can be put on the line, not easy to lose 7. Material: plastic 8. Description: only the protective sleeve, does not include other items in the picture
