Charged Reviews · Quick reference

Fox ESS EQ4800-L2 High Voltage Storage Battery

Brand: Fox ESS
Model: EQ4800-L2
SKU / part number: ?
Category: Batteries

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Energy and chemistry

Nominal voltage	89.6 V[1]
Rated capacity	?
Nominal energy	9.32 kWh[1]
Usable energy	?
Chemistry	Lithium Iron Phosphate[1]
Cell format	?

Charge and discharge

Continuous charge current	30 A[1]
Continuous discharge current	?
Maximum charge current	50 A[1]
Maximum discharge current	50 A[1]
Peak charge current	?
Peak discharge current	65 A[1]
Continuous output power	?
Peak output	?
Maximum charge voltage	?
Charge cutoff voltage	?
Discharge cutoff voltage	?

BMS and communication

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

Operating temperature

Charging temperature	0 to 55 °C[1]
Discharging temperature	-10 to 55 °C[1]
Storage temperature	-10 to 35 °C[1]
Self-heating	?

Mechanical and mounting

Dimensions	380 D × 570 W × 386 H mm[1]
Weight	83.5 kg / 184.09 lb[1]
Terminals	?
Mounting / format	?
Enclosure rating (IP)	IP65[1]

Installation (from the manual)

Torque

Main terminal torque	?
Communication terminal torque	1.2±0.2[1]
Ground terminal torque	?

Protection

Fuse or breaker	Internal Short Circuit, Over Voltage, Over Current, Over Temp, Under Voltage.[1]Needs confirmation

Clearances and orientation

Installation clearances	Native diagram: rear ≥20 mm; top ≥300 mm; left ≥300 mm; right ≥300 mm.; Prose: Make sure to leave a space of at least 300mm. A clearance of at least 300mm must be left around the battery module for proper cooling.[1]Needs confirmation
Mounting orientation	Stack the battery modules one by one.[1]

Grounding

Grounding	Before wiring, ensure the grounding cable (Item G) is securely connected. Please ensure the reliability of the battery ground cable.[1]

Communication

Communication ports	CAN; RJ45[1]
Address / DIP setting	?

Not in the manual: Conductors

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 EQ4800-L2 High Voltage Storage Battery · EQ4800-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

Fox ESS EQ4800/EQ5500 user manual, V1.0.0, 2026-07Official user manual · Revision V1.0.0 · Revised Not stated · Checked Nov 4, 2026https://www.fox-ess.com/Public/Uploads/uploadfile/files/20260812/ENEQ48005500ManualV1.0.0.pdf
Fox ESS EQ4800 datasheet, V1.3, 2026/07/10Official datasheet · Revision V1.3 · Revised July 10, 2026 · Checked Nov 4, 2026https://www.fox-ess.com/Public/Uploads/uploadfile/files/20260812/ENEQ4800DatasheetV1.320260710.pdf