MPD BK-18650-PC4 Battery tray 2x 18650 Through-hole (L x W x H) 77.7 x 40.21 x 21.54 mm | Conrad.com
2x 18650 Battery Charger Box 5V 2A USB Type C Fast Charging DIY Power Bank Case Battery Holder Box for 18650 18700 217000 Charge|Battery Storage Boxes| - AliExpress
Ledlenser 2x 18650 +Batterybox Non-standard battery (rechargeable) 18650 Li-ion 3.6 V 3400 mAh | Conrad.com
Led Lenser Battery Box with 2x 18650 Batteries Included | Gear Zone | Sydney, Australia | Led Lenser, Traser, Leatherman, Geigerrig, Klean Kanteen, Tojiro, Carhartt, Smith's, Resqme, Carson, Nite Ize, Heat Factory
2x18650 Battery Holder with DC Jack
2X 18650 Lithium Battery Shield V8 USB 3V 5V Li-ion Battery Charger Board Mobile Power Bank Expansion Module for Arduino ESP8266: Amazon.com: Industrial & Scientific