Batteries; Batteries and battery chargers; Battery packs; Battery power supplies for medical ventilators; Chargers for batteries; Dry cells and batteries; Lithium ion batteries; Lithium iron phosphate batteries; Lithium phosphate batteries; Lithium secondary batteries; Nickel-cadmium storage batteries; Rechargeable electric batteries; Solar-powered rechargeable batteries; Solar batteries; Solar recharging battery pack for digital cameras