MP2639A | 2- Cell Li-ion or Li-polymer Switching Charger Compatible with 5V Input and Integrated Bidirectional Charge/Discharge | MPS
Charge Li-Ion Batteries Directly from High Voltage Automotive and Industrial Supplies Using Standalone Charger in a 3mm × 3mm DFN | Analog Devices
Overview | Multi-Cell LiPo Charging | Adafruit Learning System
Connecting Lithium Batteries in Parallel and Series | Large Power
BU-302: Series and Parallel Battery Configurations - Battery University
2A Lithium Li-ion 18650 3.7V Battery Charger DC 5V Converter Module Power Supply | eBay
Can I charge each Lithium ion battery, that are connected in series, with individual charger? - Electrical Engineering Stack Exchange
Dual USB 5V 1A 2A Lithium ion Battery Charger Boost Module | ElectroPeak
I2C-Controlled Li-Ion Power Management IC with Integrated Power Devices Charges High Capacity Batteries from Any 5V Source While Keeping Cool | Analog Devices
3.7V Lithium Battery Charger Protection Board 5V 1A 2A Li ion Lipo Battery Charging Protect Two in one Module Micro USB Type C|module 5v|module boardmodule charger - AliExpress
5V 2A Type C USB 3.7V 18650 Lithium Li ion Battery Charging Board DIY Power Bank|AC/DC Adapters| - AliExpress
Is it possible to charge 2 lithium batteries of 3.7V each with its charger in parallel? - Quora