Genuine Efest quad battery case to keep any four 18650 batteries clean, dry and dent free when traveling. It is essential to keep your batteries from making an electrical connection when placed in a bag with keys and other metal objects.

Genuine Efest dual battery case to keep any two 18650 batteries clean, dry and dent free when traveling. It is essential to keep your batteries from making an electrical connection when placed in a bag with keys and other metal objects.