Sako Alpha ESS 300W 896Wh All In One Energy Storage System

Description

Alpha-W-ESS-300W – Key Specifications

• Rated AC Output Power: 300W

• 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. 400W

• Bulk Charging Voltage: 3.6Vdc

• Float Charging Voltage: 3.5Vdc

•  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. 300W

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   Solar Input

  • Nominal PV Voltage: 30Vdc

  • PV Array MPPT Voltage Range: 10Vdc ~ 55Vdc

  • Max. PV Array Open Circuit Voltage: 56Vdc

  • Solar Charging Power: Max. 300W

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   Lithium Iron Battery (LiFePO4 – Built-in)

  • Battery Capacity: 896Wh

  • Nominal Battery Voltage: 3.2Vdc

  • Typical Capacity: 280Ah

  • Max. Charge Current: 130A

  • Max. Discharge Current: 130A

  • Operation Voltage Range: 2.9Vdc ~ 3.6Vdc

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

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  Pure sine wave output

  Long Cycle Life – Over 6000+ cycles at 90% DOD 15+ years life design.

  • Programmable supply priority for PV, battery or Grid
  • Built-in MPPT trackers and enhanced AC & solar charger
  • Support mobile phone charging and DC lamp interface
  • Compatible to Utility Mains or generator input
  • Bulit-in 1KWh and 2KWh LiFePO4 battery

  Warranty: 2Years