Power Case Box 40x18650 Battery Pack with LED Lighting and Advanced Charging Protocols Detachable

Tip: 18650 batteries are not included in the package, you need to purchase separately Can only use the 18650 battery of which positive electrode is flat top Please pay attention to the direction of the positive and negatives poles Power Case only, other accessories in the picture is not included Transform your collection of 18650 batteries into a powerful, not need welding power sources with this innovative Power Case featuring fast charging technology for rapid charging The case detachable designs and digital display convenience and ease of use, while its compatibility for flat head 18650 batteries ensures a customizable charging solution Suitable for enthusiasts and frequent travelers, this case caters to those who demand reliability power for their multiple devices on the go