EcoFlow EFYJ51-BP 6144 Wh Delta Pro Ultra Battery

EcoFlow DELTA Pro Ultra is a residential power backup system designed for both extended outages and daily use. With an unrivaled capacity of 6kWh, 7.2kW output, and 5.6kW solar input, a single unit can run your entire home. With EcoFlow Smart Home Panel 2, get an uninterrupted power backup experience with automatic switchover, energy consumption monitoring, and lower electricity bills.

Features

• Home Backup - The DELTA Pro Ultra can either be used as a stand-alone unit using various recharging options (low/high voltage solar systems, generators, EV chargers, etc.) or forms a whole home backup system to ensure that your home can be powered 24/7 without any influence from power outage
• Continuous Power - With EcoFlow DELTA Pro Ultra's UPS technology, you'll get impeccable, uninterrupted power flow, EcoFlow DELTA Pro Ultra safeguards your vulnerable electronic equipment round-the-clock. For extended outages, you don't want to hear your backup in the background, so for low draws under 2000W*, it's completely silent. With a whisperquiet 0 dB, your nights remain undisturbed as it powers your devices
• Expandable Capacity - The rated capacity of one battery is 6kWh. To expand capacity for powering your appliances (see Overview or Power Your Appliances) or backing up your whole home (see Backup System), one can connect up to 5 batteries to an inverter or up to 15 batteries to 3 sets of inverters, which makes the total capacity add up to about 30 kWh to 90 kWh
  

Specifications

• Series/Model: Delta Pro EFYJ51-BP
• Nominal Capacity: 6144 Wh
• Dimensions: 26 in x 18 in x 8 in
• Operating Temperature: -20 to 45 deg C (Storage, Charge, Discharge)
• Enclosure Rating: IP54
• Noise Rating: <30 dB
• Cycle Life: 80% + SOH (State Of Health) After 3500 Cycles at 0.5 deg C at 25 deg C
• Cell Chemistry: Lithium Iron Phosphate (LFP)
• Extra Battery Port Input: 100-120 V, 30 A
• Extra Battery Port Output: 200-240 V, 30 A (50/60 Hz)
• AC Output:
  • Pure Sine, 7200 W Total
  • 120/240 V, 60 Hz (Bypass)
  • 100-120 V, 30 A, 50/60 Hz
• USB-A Output: 5 V, 2.4 A, 12 W Maximum Per Port, Total 24 W
• USB-C Output: 5/9/12/15/20 V, 5 A, 100 W Maximum Per Port, Total 200 W
• AC Input Voltage (Charging Only):
  • 100-120 V, 15 A
  • 200-240 V, 12.5 A
  • 50/60 Hz
  • 100-120 V (Bypass), 15 A, 50/60 Hz (Duration <3 hrs When the Current Exceeds 12 A)
• Altitude: ≤ 3000 m
• Protection Type: Over Voltage, Overload, Overtemperature, Short Circuit, Low Temperature, Over Current
• Standards: UL, ETL, IEC, PV Cycle
• Weight: 111.8 lb
• Warranty: 5 Years
  

Documents 

• Specification Sheet
• Owners/User Manual