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TZT Type-C USB Input High Current 3A Polymer Ternary Lithium Battery Quick Fast Charging Board IP2312 CC/CV Mode 5V To 4.2V

5pcs TF Card Micro SD Card Adapter Board Memory Card 2x2cm 2cm Mini Interface Data Record Storage Module

XY-FAN Multi interface power input and fan control board various power supply DIY module three gear adjustment 6-70vdc

3.7V 4.2V 3A Li-ion Lithium Battery Charger Over Charge Discharge Overcurrent Protection Board Module DD04CPMA

Micro SD card module SPI interface TF card reader with level conversion chip

Storage battery Charging Control Module Full of Power outages DC Voltage Protection Under-voltage Deficit Protector CD60

10PCS TTL To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

1-8 Cell 1.2V 2.6V 4.8V 6V 7.2V 8.4V 9.6V NiMH NiCd Battery Dedicated Charger Charging Module Board

Type-c USB 5V 3A Integrated Charge And Discharge Module 3.7V 4.2V Power Board Charge Discharge Protection Lithium Battery Boost

DC DC boost power supply module XL6019 voltage stabilized power supply module output 5V/12V/24V adjustable