HENGKEN

Accumulators and batteries; Accumulators, electric; Battery charge devices; Battery packs; Fuel cells; Lithium ion batteries; Off-grid power and deep cycle battery storage systems comprised of batteries, charge controllers and inverters with integrated LED bulbs and LED light fixtures for solar, thin-film solar (TFS), vertical axis wind turbine (VAWT) installations; Photovoltaic cells and modules; Plates for batteries; Uninterruptible electrical power supplies; USB charging ports; USB charging ports for use in vehicles