18650 x 2 battery holder with cover and On/Off Switch With DC jack

From the shop's description

18650 x 2 battery holder with cover and On/Off Switch With DC jack 18650 x 2 battery holder with cover and On/Off Switch With DC jack puts a nice finishing touch on your battery-powered project. This holder features a removable sliding cover that is secure with a small head screw. 2 x 18650 3.7V batteries make a series connection inside the case to provide 7.4V combined output. Fully packed cover with locking provides protection to the battery cell from environmental effects. Another bonus is the ON/OFF switch and DC Jack which can use to control power to your project. The leads are about 15cm, and the last 5mm of them are tinned. It is a series connection. The case box will keep organize and protect your batteries. The holder case is designed with leads for easy to solder and connect. This battery holder case is perfect for the devices to need a 7.4V external battery. Features: Holds 2 x 18650 batteries With a cover and Locking. Comes with an ON/OFF switch. It also includes DC Jack. Easy install, convenient to use. High-quality plastic material. Pre-soldered wire tips. Package Includes: 1 x 18650 x 2 battery holder with cover and On/Off Switch With DC jack. Item Type: Battery Holder Compatibility: 18650 Battery Material: Plastic Internal Connections Series Output Voltage (V): 7.4 ON/OFF Switch Yes Cable Length (cm): 12 Color: Black Dimensions (L x W x H) mm 90 x 43 x 22 Weight (g): 35 Shipping Weight 0.037 kg Shipping Dimensions 8 × 4 × 3 cm