18650 Lithium Battery Holder Dual-Slot Charging Module 3/5V - DFRobot

This easy-to-use 16850 battery holder with dual-slot offers micro and type-C charging inputs, five 5V/2A output ports, five 3.3V/1A output ports and one 5V USB output.
DFRobot provides open-source hardware, kits and robotics dedicated to bringing innovative electronics.

DFRobot 2x 18650 Battery Holder - RobotShop

Adjustable DC Regulated Power Supply 6 Outputs / Portable - DFRobot

DFRobot 2x 18650 Battery Holder - RobotShop

18650 Battery Holder Dual Slot, Series, 2.1mm DC Jack

diymore 1865O Battery Holder Double Li-ion V8 Battery Shield Micro USB 5V/3A 3V/1A Power Bank Battery Charging Module for Raspberry Pi and Arduino ESP32 (2 Holders) : Electronics

3 x 18650 Battery Holder with DC2.1 Power Jack - DFRobot

18650 Lithium Battery Holder Dual-Slot Charging Module 3/5V - DFRobot

4-Way 18650 Battery Holder - DFRobot

Supports 3V 1A voltage outputs. Supports 5V 2.2A voltage outputs. Micro USB charging current is 600mA-800mA. Supports up to two Li-ion batteries. It

diymore 1865O Battery Holder Double Li-ion V8 Battery Shield Micro USB 5V/3A 3V/1A Power Bank Battery Charging Module for Raspberry Pi and Arduino

Adjustable DC Regulated Power Supply 6 Outputs / Portable - DFRobot