All 3 products from Shenzhenshixing Italy Da Communication Technology Co., Ltd..

This portable power bank has a 3000mAh capacity. It is designed for charging mobile devices with its 5V/1000mA output and 5V/700mA input.

This is a lithium-ion battery with a 1250mAh capacity and 3.7V nominal voltage. The battery's charge-up voltage is 4.2V and it complies with GB/T 18287-2000.

This is a compact and versatile battery charger. It features an integrated AC plug and cylindrical output port, suitable for charging various small electronic devices.