The SAKO Alpha ESS 300W is a compact, all-in-one plug-and-play energy storage system. It combines a 300W pure sine wave inverter, an integrated ~896Wh to 1kWh LiFePO4 lithium battery, and an MPPT solar charge controller into a single portable unit designed for basic home backup, camping, and emergencies.Key FeaturesPower Output: 300W pure sine wave AC output safe for sensitive electronics.Battery Capacity: Built-in 896Wh / 1kWh LiFePO4 battery offering long cycle life (over 6,000 cycles).Smart Charging: Built-in MPPT solar charge controller alongside enhanced AC utility or generator charging.Programmable Priorities: Flexible supply priority settings for PV solar, battery, or utility grid.Outputs & Ports: Equipped with AC sockets, 12V DC ports, and 5V USB/Type-C ports to support phones, routers, DC lamps, and small fans.