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Fox ESS CQ7-US-L2 High-Voltage Battery (13.92 kWh)

Brand
Fox ESS
Model
CQ7-US-L2
SKU / part number
?
Category
Batteries
chargedreviews.com/batteries/foxess-cq7-us-l2

Energy and chemistry

Nominal voltage115.2 V[1]
Rated capacity?
Nominal energy13.92 kWh[1]
Usable energy?
ChemistryLFP (LiFePO4)[1]
Cell format?

Charge and discharge

Continuous discharge current?
Maximum charge current60 A[1]
Maximum discharge current60 A[1]
Peak charge current?
Peak discharge current110 A[1]
Continuous output power?
Peak output?
Maximum charge voltage?
Charge cutoff voltage?
Discharge cutoff voltage?

BMS and communication

BMS continuous current?
Communication protocolsCAN[1]
Wireless monitoring?
Inverter compatibility?

Operating temperature

Charging temperature?
Discharging temperature?
Storage temperature-10 to 50 °C[1]
Self-heating?

Mechanical and mounting

Dimensions360 D × 660 W × 420 H mm[1]
Weight105.5 kg / 232.59 lb[1]
Terminals?
Mounting / formatStackableSite classificationBased on[1]
Enclosure rating (IP)IP65[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 CQ7-US-L2 High-Voltage Battery (13.92 kWh) · CQ7-US-L2

Warranty

Warranty term?
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): CQ7 high voltage storage battery, V1.2 | 2026/07/23Official datasheet · Revision V1.2 | 2026/07/23 · Revised Not stated · Checked Oct 27, 2026https://us.fox-ess.com/Public/Uploads/uploadfile/files/20261009/USCQ7DatasheetV1.220260723.pdf
  2. Fox ESS US product page: CQ7 (October 27, 2026 capture)Official product page · Revised Not stated · Checked Oct 27, 2026https://us.fox-ess.com/products/commercial/cq7