Wismec 18650 Battery Sleeve for 21700 Mod (20pcs/pack)
1pc/2pcs 18650 To 26650 Aa Battery Converter Case Cover Sleeve Adapter - Battery Storage Boxes - AliExpress
Fenix Alf-18 18650 to 21700 Battery Converter Adapter Tube Holder for sale online | eBay
Uxcell 18650 Battery Protective Sleeve, Battery Tube Adapter, Holder Converter for 26650 LED Flashlight 4 Pcs - Walmart.com
AAA Battery Holder 18650 Battery Tube Black Cylindrical Plastic Box Adapter Case Converter Adaptor Batteries Switcher|Battery Accessories| - AliExpress
Buy New 18650 to 26650 Battery Converter Case Sleeve Adapter Plastic Storage Cover Durable for 26650 Led Flashlight Torch E-cigarette at affordable prices — free shipping, real reviews with photos — Joom
2Pcs 18650 to 26650 Battery Converter Case Sleeve Adapter Plastic | Lazada Singapore
Flashlight adapter 3xAAA to 18650 & 18500 by Marin | Download free STL model | Printables.com
GFORTUN 2PCS 3 X 18650 Parallel Battery Holder Adapter Cylinder Battery Storage Case Black Plastic : Electronics