Electronic – How to use two TP4056 with two li-ion batteries, but single load – iTecTec
Lithium Cell Charging
7.4V Two Step Lithium Battery Charger Circuit - CC and CV Mode : 9 Steps - Instructables
Li-Ion Battery Charger Circuit
USB-Powered Lithium-Ion Battery Charger
GitHub - e-radionicacom/Lithium-ion-charger-with-protection---Eagle-files: Eagle files for Lithium-ion battery charger based on TP4056 with protection.
MP2615 | 2A, 1 or 2-Cell Li-ion Battery Charger in QFN 3x3mm package | MPS
3-Cells Lithium Battery Charger Module with Protection – HandsOn Tech