Charged Reviews · Quick reference

Fox ESS PowerQ AIO-AC1-11.4-US All-in-One AC-Coupled Energy Storage System

Brand
Fox ESS
Model
AIO-AC1-11.4-US
SKU / part number
?
Category
Batteries
chargedreviews.com/batteries/foxess-powerq-aio-ac1-11-4-us

Energy and chemistry

Nominal voltage?
Rated capacity?
Nominal energy?
Usable energy?
ChemistryLFP (LiFePO4)[1]
Cell format?

Charge and discharge

Continuous charge current?
Continuous discharge current?
Maximum charge current?
Maximum discharge current?
Peak charge current?
Peak discharge current?
Continuous output power?
Peak output?
Maximum charge voltage?
Charge cutoff voltage?
Discharge cutoff voltage?

BMS and communication

BMS continuous current?
Communication protocolsWiFi; LAN; CAN2.0; RS485; Meter; CT; ISO alarm; SUNSPEC[1]
Wireless monitoring?
Inverter compatibility?

Operating temperature

Charging temperature-25 to 55 °C[1]
Discharging temperature?
Storage temperature?
Self-heating?

Mechanical and mounting

Dimensions?
Weight?
Terminals?
Mounting / format?
Enclosure rating (IP)Type 4X[1]

Installation (from the manual)

Not documented in the manual

System limits

Maximum parallel units?
Series connection?
Maximum system energy?

Page 1 of 2 · Installation values · ? means nothing is recordedAggregated, often community-reported information, not official documentation. Do not rely on it for installation, purchase or compliance decisions; always confirm values with the manufacturer’s official documentation. Charged Reviews accepts no responsibility for errors.

Charged Reviews · Quick reference

Fox ESS PowerQ AIO-AC1-11.4-US All-in-One AC-Coupled Energy Storage System · AIO-AC1-11.4-US

Warranty

Warranty term12.5 years[1]
Warranty cycle limit?
Warranted throughput?
Capacity retention?
Cycle rating?
Estimated throughput?
Coverage starts?
Coverage conditions?
Remedy?
Labor and shipping?
Transfer to another owner?
Registration?

Certifications and listings

UL 1973?
UL 9540?
UL 9540A?
UN 38.3?
IEC 62619?
CE?

Documents and sources

  1. Fox ESS datasheet (US): PowerQ all-in-one residential energy storage system (AIO-H1-US and AIO-AC1-US), V1.6 | 2026/07/23Official datasheet · Revision V1.6 | 2026/07/23 · Revised Not stated · Checked https://us.fox-ess.com/Public/Uploads/uploadfile/files/20261009/USPowerQAIODatasheetV1.620260723.pdf
  2. Fox ESS US product page: PowerQ Series (October 20, 2026 capture)Official product page · Revised Not stated · Checked https://us.fox-ess.com/products/residential/powerq