Gray GP Power Bank 20,000 mAh B20A

The chemical composition or classification of a battery, such as lithium‑ion, lithium‑polymer, nickel‑metal hydride, sealed lead acid, alkaline, zinc‑air, etc. It indicates the type of electrochemical reaction that stores and delivers energy in the device.

A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.

A list of device types, brands or models that a charger can power or charge. Each entry is a free‑text value such as "Smartphone", "Tablet", "Laptop" or a specific brand/model name. The list allows buyers to quickly see which devices the charger supports.

The type of source that supplies power to the device for charging, such as a mains adapter (AC), a USB port, a solar panel, or a battery pack. It indicates which external supply can be used to charge the product and helps users determine compatibility with their available chargers.

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.

The total count of devices that can be connected to the product at the same time. This value indicates how many separate peripherals, accessories or networked units a user can attach concurrently without exceeding the device’s supported capacity.

The form of packaging used for a product, such as box, blister pack, bag, or pallet. It indicates how the item is contained and protected during shipping and storage.

The electrical current that the first output port can supply, expressed in amperes (A). This value indicates the maximum continuous current the port is rated for and helps users determine compatibility with devices that require a specific charging or power level.