Lithium Battery Charger Board, specifically a Micro/Type-C USB 5V 2.4A Dual USB 18650 Boost Module. It's used for charging 18650 lithium batteries and can function as a power bank.
Key features include:
Dual USB output ports and Micro/Type-C input ports.
Maximum charging current of 2.4A.
It can boost voltage for charging devices.
Suitable for DIY power bank projects.
Overcharge protection for reliable power solutions.