Type-C USB 3.8V Lithium Li-ion 18650 3.7V Battery Quick Charging Charger Module

Default 3A, remove resistor 2A and replace it with 135k resistor 1A. We also have lithium battery protection board and power indicator board for sale. 4.20V fit almost all normal 3.7V lithium li-ion battery.

20W DC 3.3-5V to 5V-12V DC DC Boost Converter USB Module QC3.0 2.0 FC – Many Favours

Boost conversion efficiency: 92.5% (3.6V input, 5V 2A). Boost output current: 2A. Support external key, connect the key to K point and output negative

5V 2A Type-C USB 3.7V 3.8V 18650 Lithium Li-ion Battery Charger Board Power Bank

Type-C 5V 3A ( 3.7V, 3.8V ) 18650 Lithium Li-ion Battery Fast Charging Charger Module Board IP2312

15X Type-C USB 5V to 4.2V 4.35V Li-ion Li-Po Lithium Battery Charger Module for 3.7V 3.8V 18650 Cell Phone Battery - AliExpress

Does it have any problems to charge a lithium ion 3.7 standard battery with 5V USB voltage? - Quora

For 3.7V 3.8V 18650 Lithium Battery 1S Type-C To 4.2V 4.35V Step-down Buck LiPo Polymer Li-Ion Charger - AliExpress

Haixnfire Mc4 3.7v 18650 Smart Battery Adapter Charger: 4.2v 4-slot Li-ion Battery Charger With Short Circuit Protection & Flashlight - Sports & Outdoors - Temu Austria

Lithium Ion Battery Charger Circuit (with Diagrams)Back ButtonSearch IconFilter Icon

18650 Lithium Battery Charger Module Type-c USB 2A Charging Board with Dual Protection Functions - AliExpress

EEMB 3.7V 240mAh 422726 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with JST Connector Make Sure Device Polarity Matches with Battery Before Purchase!!! : Health & Household

Cargador rápido de batería 18650, Pantalla LCD Que Puede Mostrar Capacidad, Adecuado para batería de Litio de 3.7 V

Cargador de batería recargable 18650 Cargador de batería de iones de litio de 3.7 V para batería de iones de litio 18650, 18500, 10440, 14500, 16340

miBoxer Cargador para baterías 18650

CARGADOR DE 1 BATERIA LITIO 18650 3.7V – Mastertronic

Cargador de batería LCD 18650 de 1 / 2 ranuras Dual para carga 18650, cargador de batería de litio recargable de 4,2 V - AliExpress