The Sako Alpha ESS 1000W All-In-One Energy Storage System is a compact and versatile power solution featuring pure sine wave output, built-in MPPT solar charger, and programmable supply priority for PV, battery, or grid. It supports mobile charging and DC lamp interface, and is compatible with utility mains or generator input. With integrated 1 kWh or 2 kWh LiFePO₄ battery options, it delivers reliable and efficient backup power for homes, offices, or small applications.

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Description

Alpha-W-ESS-1000W – Key Specifications
Inverter / Charger

  • Rated AC Output Power: 1000W

  • Output Voltage Waveform: Pure Sine Wave

  • Output Voltage: 185V ~ 230Vac, 50Hz

  • Low DC Warning Point: ≤ 3.2Vdc

  • Low DC Cut-off Voltage: 2.9Vdc

  • Low DC Warning Return Voltage: > 20%

  • Charging Power (Utility + Solar): Max. 800W

  • Bulk Charging Voltage: 7.2Vdc

  • Float Charging Voltage: 7.0Vdc

 AC Input

  • Nominal Input Voltage: 230Vac

  • Low Loss Voltage: 90Vac ±7

  • Low Loss Return Voltage: 100Vac ±7

  • High Loss Voltage: 280Vac ±7

  • High Loss Return Voltage: 270Vac ±7

  • Max. AC Input Voltage: 300Vac

  • Nominal Input Frequency: 45 ~ 65Hz

  • AC Charging Power: Max. 800W

Solar Input

  • Nominal PV Voltage: 38Vdc

  • PV Array MPPT Voltage Range: 13Vdc ~ 55Vdc

  • Max. PV Array Open Circuit Voltage: 56Vdc

  • Solar Charging Power: Max. 550W

    Lithium Iron Battery (LiFePO4 – Built-in)

    Battery Capacity: 2009.6Wh

    • Nominal Battery Voltage: 6.4Vdc

    • Typical Capacity: 314Ah × 2

    • Max. Charge Current: 220A

    • Max. Discharge Current: 220A

    • Operation Voltage Range: 5.8Vdc ~ 7.2Vdc

    • Operating Temperature: -10°C ~ +50°C

1 review for Sako Alpha ESS 1000W 2kwh All In One Energy Storage System

  1. admin –

    Abid Nipun –I had a very good experience buying my Sako Alpha ESS All-in-One from this shop. Their communication was clear and professional from the beginning. They managed everything smoothly and kept in touch during the whole process. After about 25 days, they successfully imported the device from China and safely delivered it to Alikadam. I really appreciate their honesty, effort, and customer support. Highly recommended for anyone looking for reliable service and quality products

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