3.7V Battery Case Holder Plastic Battery Storage Box Battery Charger for Rechargeable 18650 Battery -5Pcs 1 Solts-

Feature: This battery box holder fits for 1x18650 batteries Safe and easy to use. Output voltage DC 3.7V.(do not touch the red black line.) With spring clip design, you can easily to put the battery in it. Simple DIY recharge power supply. You could use this case with your own battery to form power supply system. Specifications: Item Type: 18650 Battery Holder Box Material: Plastic + Metal Color: Black Cable length: 14-16cm (Approx.) Type: 1 slots Fit for: 18650 3.7V battery Output: DC 3.7V Red positive, black negative. Package included: 5PCS 18650 Battery Holder (Batteries are not included.)