Features: Highquality and durable: Made from premiumABS material, this solderless sheath for mobile power supply ensures long-lasting performances and reliable use. Versatileand flexible: With the ability to install 1-8 18650lithium batteries, this sheath allows for easy customization and adapts to various power needs. Idealfor techenthusiasts: Designed for DIY enthusiasts and techsavvy individuals, this solderless sheath empowers users to create their own portable powerbanks effortlessly. Perfect foron the-go charging: Whether you're traveling, camping, or simply out and about, this sheath provides a convenient solution for charging your devicesanytime, anywhere. Unleashs your creativity: Customize your power bank by choosing your preferred battery configuration and enjoys the freedom of creating a personalized charging experience. Specifications: Material:ABS Size: Approx.18.6x8.1x2.4cm/7.32x3.18x0.94inch Style: 22.5W 15W wireless charging /22.5W super fast charging /10W Color:White/Black Solderless sheath for mobile power supply: 1-8 18650lithium batteries can be installed, which can work normally when the circuit is connected. The product itself does not contain batteries Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Battery Power Bank Case