GitHub - e-radionicacom/Lithium-ion-charger-with-protection---Eagle-files: Eagle files for Lithium-ion battery charger based on TP4056 with protection.
Compact 2S LiPo Battery Charger
IC 555 Li-Ion Battery Charger Circuit
DFR0564 USB Charger for 7.4V LiPo Battery - DFRobot | Mouser