Boxonly Battery Case Holder Parallel Batteries Clip Box 3.7V 18650 Household Battery Holders

Feature:
Output voltage DC 3.7V.(Do not touch the red black line.)
This battery box holder fits for 1/2/3/4 x 18650 batteries.
You could use this case with your own battery to form power supply system.
With spring clip design, you can easily to put the battery in it.
[Kindly remind:]
18650 batteries are not included in the package, you need to purchase separately.
Can only use the 18650 battery.

Specification:
Item Type: 18650 Serial/Parallel Battery Holder Box
Material: Plastic + Metal
Color: Black
Cable length: 14-16cm (Approx.)
Design: Serial/Parallel Connection
Type: 1/2/3/4 Slots
Fit for: 1/2/3/4 x 18650 3.7V battery (Battery Not Included)
Output: DC 3.7V
Red positive, black negative.

Package includes:
1 x Battery Holders (Batteries are not included.)