The battery clip is used for temporary circuit connection, and the terminal block resembling a crocodile mouth - also known as "spring clip", "electric clip"
Insulation sleeve is required outside when it is used. The material is generally pure copper, iron-plated nickel, iron-galvanized, iron-plated copper or stainless steel. we can do the OEM AND ODM,Any need, please contact with Ms Dai, email is sales@huayanelec.com.