For 18650 3.7V battery

Input voltage: 1.5 V alkaline or 1.2 v NIMH or wear and tear rechargeable cells



Ours:

• Level B hard plastic.

• High hardness, not easy to crack.

• High temperature resistance, flame retardant.

• The combination of stainless steel spring and Rivet makes the connection point fixed.

Others:

• Poor PE Plastic Material

• X The contact plate is thin and fragile

• X Loose contact of battery holder