2in1 Charge Discharge Board Module Diy 1a 18650 Lithium Battery Power Mobile Bank 3v 3.3v 3.7v To 5v Usb For Phone/mp3/mp4 - Replacement Parts - AliExpress
USB Lipo (Li-Ion) Battery Charger - 3.7V
Power path manager and battery charger w/ 5V and 3.3V output | OpenHardware.io - Enables Open Source Hardware Innovation
3 Usb Output 3v To 5v 2a Lithium Battery Charging Board Mobile With Led Power Bank Charger Controlle Step Up Boost Power Module - Battery Testers - AliExpress
5V 1A Mini USB 1S 3.7V Li-ion Lithium Lipo Battery Charging Module Charger Board | eBay
Amazon.com: 2in1 5V USB To 3V Dual LR6 LR03 Battery Power Supply Cable Replace 2x 1.5V AA AAA Battery Eliminator for LED Light Toys Luminara Candles Walkie Talkie and More,USB AA Battery
(5 Pack) JacobsParts DC Boost Module 3V 3.3V 3.7V 4.2V Input 5V 2A USB Output 10W DIY Power Bank
ICQUANZX XT60 to USB Fast Charging Converter Support 3S-6S Lipo Battery (10.5V-32V Input, 3V-20V Output ) 45W Max Fast Charge Adapter for RC Racing Drone
LiPO charger / boost converter 5V 3.3V outputs from ceech on Tindie
5V 1A Micro USB Lithium Battery Charging Module Lipo Charger Board for Arduino | eBay