วงจรcharger พร้อมหน้าจอแสดงโวลต์ Dual USB 5V 1A 2.1A Mobile 18650 Charger PCB Power Module Accessories For Phone DIY ...

Product Specifications: Micro USB input: 5V 1A USB output: 5V 2.1A / 5V 1A (dual USB interface) Charging display: intelligent digital display Battery type: liquid lithium ion battery ( 18650) Product size: 57mm dots x 28mm Screen size: 27mm x 17mm Package Included: 1 mobile power bank 18650 battery charger circuit board