Battery boxes; accumulators, electric; batteries, electric, for vehicles; ignition batteries; mobile apps; data collection apparatus; remote monitoring apparatus; downloadable computer software for remote monitoring and analysis; health monitoring software; measuring, detecting and monitoring instruments, indicators and controllers; software or digital tool providing information or data related to powerchairs and wheelchairs for health monitoring and analysis; mobile apps which collect and provide data and information from wheelchairs for remote health monitoring and analysis; software used to equip wheelchairs for the detection and monitoring of user conditions and the transmission of the said information for remote processing; electric or ignition batteries for wheelchairs; electric or ignition batteries for powering or propelling manual wheelchairs.