Plus free Windows PC power management software (Mac OS uses power saving settings). 'energy). 3-5 year lifespan. Automatic self-test for early detection of the need to replace a battery. Battery Failure notification provides an early warning battery failure analysis function. Includes: 2 USB charging ports, USB cable, user manual. Black. Certifications and standards: California (CEC) Battery Charger, CSA C22.2 NO. 107.3, cTUVus, FCC Part 15 Class B, UL 1778. APC UPS spare battery sold separately.