15.2 kWh SimpliPhi AccESS Energy Storage System with Schneider A-4PHI-SCH-PRO

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  • 15.2 kWh SimpliPhi AccESS Energy Storage System with Schneider A-4PHI-SCH-PRO
  • 3.8 kWh 48V PHI LFP (Lithium Ferro Phosphate) battery
  • 6.8 kW Conext XW 6848 PRO inverter


The SimpliPhi AccESS A-4PHI-SCH-PRO is a 15.2 kWh fully integrated energy storage and management solution with Schneider Electric equipment. Energize and protect your home or business from power outages and lower your utility bills with this safe, simple, reliable and practical energy storage system. The SimpliPhi AccESS system includes all the equipment you need in one enclosure: (x4) 3.8kWh 48V PHI LFP (Lithium Ferro Phosphate) batteries, a built-in Schneider Conext inverter (XW 6848 PRO), the Schneider Conext Solar System Control Panel (SCP), and Conext Battery Monitor. The A-4PHI-SCH-PRO does not include a charge controller. The SimpliPhi AccESS can be used on- or off-grid and integrates seamlessly with new or existing solar installations.

The SimpliPhi AccESS stores electricity from solar, wind, diesel/gas generators, the grid or any combination. Programmable for time-of-use, peak-shaving, self-consumption, and back-up power. The system features an internal transfer switch that automatically disconnects from the grid during power outages and provides standby power for critical circuits. 

The Conext Solar System Control Panel (SCP) eliminates the need for separate control panels for each device and gives a single point of control to set up and monitor the entire Conext inverter charger system, including Conext MPPT Solar Charge Controllers. Featuring a graphical backlit display, the SCP selectively displays configuration, status and diagnostic information for all devices connected. The Conext Battery Monitor indicates hours of battery based runtime and determines battery bank state of charge. It shares key battery bank parameters with Conext XW+ inverter/chargers improving overall system performance of 48V battery bank. Simple and safe, the system requires no maintenance, thermal monitoring, cooling, fire suppression, or ventilation equipment. 

For additional energy storage, the SimpliPhi AccESS is scalable to meet any energy requirement by connecting additional enclosures. Backed by a 2-year materials and workmanship warranty and 10-year battery warranty for peace of mind. Environmentally friendly and ETL Certified to UL 1973 Standard. AccESS your own power when and where you need it - inside or outside your home or business. Order online or by PHONE 888-498-3331


Product Highlights

  • Available for residential, commercial, military, on/off grid, and humanitarian applications
  • Safe, reliable, non-hazardous and efficient energy storage
  • 98% round trip efficiency
  • No cobalt, thermal regulation, cooling, or risk of fire
  • Extended operating temperature range of -4 to 120 °F
  • System monitoring by system control panel or Combox with remote system monitoring by web browser or mobile device app
  • Advanced LFP batteries with a 10,000 cycle / 10-year warranty
  • 2-year materials and workmanship warranty
  • Outdoor rated enclosure can be free-standing, or pad-mounted
  • Environmentally benign and non-toxic Lithium Iron Phosphate (LFP)


  • SIA (Standard Interconnection Agreement) customers: ESS allows for solar PV power to be self-consumed in a DC Coupled system, curtailing PV production to prevent the export of power to the grid
  • NEM (Net Energy Metering) customers: add standby power to an existing net-metered solar array or peak-shaving to a new net-metered solar array
  • Off-grid customers: ESS with 4.8 kW Solar MPPT combines power generation and energy management in a single package
  • Disaster recovery customers: reliable, 98% efficient, non-toxic backup power in the event of a power outage
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Parts / Specifications

SimpliPhi Power
Model Number:
AccESS 2.0 (x4 PHI 3.8 Batteries)
29.5” W x 76”H (w/feet) x 20” D / 75 cm W x 193 cm H x 51 cm D
600 lbs (272.16 kg) w/o batteries
Enclosure Rating:
NEMA 3R Outdoor Rated
Free-standing or Pad-mounted
Schneider Electric Conext XW 6848 PRO
Inverter Application:
On or Off-Grid
Inverter AC Connections:
1 Grid Port, 1 Generator Port
Inverter AC Output:
48 A (120 VAC) / 27 A (240 VAC), 60 Hz
Inverter Rated Output Power:
6.8 kW Continuous
Inverter Max Output Charging Current:
140 ADC
Inverter CEC Weighted Efficiency:
SimpliPhi Power (x4) PHI 3.8 kWh-48V
Battery UL Rating:
ETL Certified to UL 1973 Standard
Battery Rated kWh Capacity @ C/2:
15.2 kWh
Battery Max Combined Output Power:
7.6 kW DC
Battery Max Combined Charge Current:
150 ADC
Battery Charging Temperature:
32°F to 120°F (0°C to 49°C)
Depth of Discharge:
Up to 100% DoD
Round Trip Efficiency:
Battery Cycle Life:
10,000+ cycles (@ 80% DoD)
Battery Warranty Period:
10 years
Charge Controller:
No charge controller
Max Connected PV Power:
4.8 kW
Max Charge Current:
80 ADC
Max Operating PV Array Voltage:
195 to 550 VDC
Max Open Circuit PV Array Voltage:
600 VDC
Set Up/Monitor (no internet):
System Control Panel (SCP)
Battery Monitor:
Conext Battery Monitor
Internet Connected Monitor/Command:
ComBox or Gateway
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