Features: 【Solderless, Easy Assembly】Features a solderless structure allowing users to complete installation quickly without specializing tools, ideal for enthusiasts and electronics beginners. 【 Safe and Durability ABS】Constructed from premium ABS with excellent heat resistance and impacts resistance, ensuring reliabled protections during use. 【8-Cell Capacity, Powerful Endurance】Supports 8-cell 18650 battery configuration, delivering ample power reserves to meet extended usage demands. 【Real-Time Battery Display】Built-in digital display shows remaining charging in real time, keeping you informed of charging light for more convenient management. 【Portable Storage】Compact battery case design facilitates easy carrying and storage without taking up space. Specifications: Component: ABS Size: about 171x80x23.2mm/6.73x3.15x0.91in Charging power: 10W Input: 5v-2.4A Output: 5v-2.4A Charging protocols： PD2.0 Applicable battery model: 18650 (8 sections) Color：Black/White Package Includes: 1PC Weld less18650 power battery Case note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.