Features: Transparently shell battery storage case with LED digital display screen for easy monitoring of battery level. The hanging rope makes it easy to carry, for charging battery need Equipped with a 22.5W large capacity, this battery case support charging your devices quickly and efficiently. With USB cable allows for convenient charging. This battery case support 10000Mah 2pcs 21700 large capacity batteries features newly intelligent temperature control , preventing overheating and damage to your devices It compatibles variety of mobile phones，Large capacity ensures you stay powering up throughout day Specifications: Component: ABS Model: Y296 22.5W Charging Case (Not include battery) Size: about 93x52x38MM/3.66x2.05x1.5in Battery capacity: for 21700x2pieces Protections circuit: Yes Compatibility: 99% smartphones and tablets Output: Type-C：5V/3A，9V2.2A，12V1.60A USB：4.5V5A，5V3A，9V2A，12V1.5A Input: Type-C：5V/3A 9V2A 12V1.5A USB：4.5V5A 5V3A 9V2A 12V1.5A Package Includes: 1PC 10000mAh Battery Case [ Not include battery] note: Due to problem of lighting effect there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.