The itel Power Tank is a compact all-in-one energy storage system (ESS) or Portable power station (PPS). It's designed to provide reliable backup power for homes and small offices. It combines a 500 W pure sine wave inverter, a 1000 Wh (1 kWh) LiFePO4 lithium battery, and an integrated solar charge controller in a single portable unit. It supports both AC and solar charging, offers fast UPS-style switchover (less than 20 ms), and is suitable for powering essential appliances such as lights, fans, TVs, laptops, Wi-Fi routers, and other low-power devices. The LiFePO4 battery is rated for 6,000+ charge cycles, providing long service life with minimal maintenance.