This application discloses a battery tray and a battery formation and capacity-grading device. The battery tray includes a fixed frame; and a fixed component located in the fixed frame, the fixed component including a first limiting assembly and a second l...

A battery rack includes a floor member having a rail portion and a carriage portion movably coupled to the rail portion. The battery rack may further include a pair of vertical walls, each having a bracket, a channel, and a movable fastener movably coupled...

A mounting rack for energy storage battery may include fixed platform, at least an adjusting frame, and two abutting frames. Each of two lateral sides of the fixed platform has a guide rail, and the adjusting frame and the abutting frames are adapted to sl...

A battery box includes a housing, a rotation element, a fixture element, position elements, and connection elements. The rotation element is disposed in the housing. The fixture element is disposed on the rotation element, and includes guide holes. The pos...

A capacitor which is provided so as to be installable in a first loading part C of a first electrical power device and a second loading part S of a second electrical power device S is configured to have an external shape such that a first abutment part whi...

A hand-held electronic device includes a battery accommodating portion provided with an attaching portion which is formed in a rectangular shape in plain by longer first sides and shorter second sides, and formed with concave portions at corresponding posi...