5V 2.4A fast charging module with digital LED display for 18650 batteries. Compatible with USB Lightning (iPhone), Type-C (Android), and Micro USB cables. 2.4A constant current with integrated protection circuit.
Features:
Compact size 28 x 69mm
Stable USB output
Internal resistance ≤65 mΩ, allows charging from 0V
Multifunction button to check charge status on the display
Ideal for DIY power bank projects and embedded devices. It is recommended to use batteries with a combined capacity of 4000 - 5000mAh or higher to optimize charging speed and extend battery life.
