The Philips HeartStart OnSite AED Package is a good choice for organizations and businesses. The Philips HeartStart OnSite AED provides effective, low energy therapy of 150J, 150J, and 150J. The OnSite AED is extremely simple to use, making it suitable for untrained responders during an emergency. The OnSite includes a CPR coaching that guides users through the CPR process, showing responders the proper depth and frequency of compressions. The OnSite provides a 4 year battery life, as well as electrode pads with a 2 year expiration date, helping make it an affordable AED.