This item is for what use.

Features:

Material: PVC

Inner diameter: 0.71 in / 1.8 cm

Outer diameter: 1.02 in / 2.6 cm

Length: 2.48 in / 6.3 cm

Convert 18650 battery to 26650 battery

Nothing complicated, just stick the 18650 battery in the converter and it's the same as a 26650 battery

Perfect for electronics and emergency situations

NOTE:（battery is not included）

Item: 18650 to 26650 Battery Converter Case Sleeve Adapter White

Dimensions: =2.48 in x 1.02 in x 1.02 in (6.3 cm x 2.6 cm x 2.6 cm)

Weight: 0.25 oz (7 g)

Note: Lighting, display and other factors may cause COLOR SHADING, please comprehensive pictures and text descriptions to determine!

Package Includes                

● 2 x Battery adapter

-We Only accept Paypal payment. *We are unable to ship to PO Boxes or APO/FPO addresses

-International Buyers-Please Note:
a)Import dutiesm taxes and charges are not included in the item price or shipping charges .These charges are the buyer's responsibility.
b)Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.
Thank you!