Ventev's patent-pending VenVolt™ 802.3at PoE+ Site Survey Battery Pack provides WLAN professionals and network engineers with mobile PoE+ power for Access Points and other 802.3at-powered devices. The long-lasting, lightweight battery pack has two RJ-45 connectors for data in and power out, and a USB port to simultaneously power USB-powered devices. The charge indicator shows at-a-glance how much battery charge remains. The Site Survey Battery Pack’s LiFePo4 battery has a stable chemistry, longer life span than other lithium formulations, and is non-toxic and non-contaminating.