Sovereign & Gusto Power Assist Heavy Duty SKU: 43430 Power assist for use with Sovereign Wheelchair Quantity discounts available QuantityPrice Quantity -+ Details Power assist for use with Sovereign Wheelchair Two sizes available: 180W (43428) and 320W (43429). Aluminium frame with PU grey wheels. Includes mo... Details Back DetailsPower assist for use with Sovereign Wheelchair Two sizes available: 180W (43428) and 320W (43429). Aluminium frame with PU grey wheels. Includes mounting kit, controller, battery and charger.