MARLBOROUGH, Mass.–(BUSINESS WIRE)–XL Batteries, an energy storage company creating a revolutionary safe, low-cost and reliable grid-scale battery, today announced the addition of three senior executives in Engineering, Manufacturing and Finance. Each of the new executives brings experience that will be critical to XL Batteries’ success as the company moves to commercial scale. This news comes as XL Batteries recently marked a major company and industry milestone with the successful commissio