Fox ESS EQ4800-L2 High Voltage Storage Battery

No cell manufacturer/model inferred.

Location: PDF page 4, Notes on This Manual, named EQ4800/EQ5500 scope

Documented

Printed for this exact model in the cited table.

Location: PDF page 37, EQ4800-L2 column, Nominal energy (kWh)

Documented

Printed for this exact model in the cited table.

Location: PDF page 37, EQ4800-L2 column, Nominal voltage (V)

Documented

Standard charging current, separate from datasheet recommended-current row.

Location: PDF page 38, (CC-CV) Standard charging current (A)

Documented

The manual explicitly labels both directions; 50/50 in the continuous row.

Location: PDF page 38, Max. charge/discharge current (A)

Documented

Charging cut-off current, not discharge or low-voltage threshold.

Location: PDF page 38, Constant current and voltage charging cut-off current (A)

Documented

The manual explicitly labels both directions; 50/50 in the continuous row.

Location: PDF page 38, Max. charge/discharge current (A)

Documented

60 seconds as printed, not continuous current.

Location: PDF page 38, Peak discharge current (60s) (A)

Documented

Manual primary. Datasheet alternative retained separately, no range calculated.

Location: PDF page 38, EQ4800-L2 column, Battery voltage range (V)

Documented

The datasheet row explicitly names both directions; separate from manual CC-CV standard current.

Location: PDF page 2, Recommend Charge/Discharge Current [A]

Documented

Strict >95 bound, @25°C, 0.3C charging/discharging.

Location: PDF page 2, Battery Pack Round-Trip Efficiency [%], footnote 2

Documented

Printed whole-system weight, not added from modules.

Location: PDF page 38, EQ4800-L2 column, Weight (kg)

Documented

Printed complete-system dimensions, not a sum of parts.

Location: PDF page 38, EQ4800-L2 column, Dimensions (W*H*D) (mm)

Calculated

Printed for this exact model in the cited table.

Location: PDF page 38, Ingress protection

Documented

Printed for this exact model in the cited table.

Location: PDF page 38, Communication interfaces

Documented

Exact-model specification row. The separate conditional storage chapter on PDF page 15 stays in storage_schedule.

Location: PDF page 38, Storage temperature (°C)

Documented

Maker claims each battery unit has a fire-protection module, not independent fire testing. Separate conflicting firefighting passages p12/p14 remain unresolved. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 9, section 2.2.2 Fire Protection Function

Documented

Charge 0~55, discharge -10~55. No warm-up version is created or inferred.

Location: PDF page 38, Operating charge/discharge temperature (°C)

Documented

Charge 0~55, discharge -10~55. No warm-up temperature transferred.

Location: PDF page 38, Operating charge/discharge temperature (°C)

Documented

Separate printed contexts retained. Odd between±5% wording is preserved, no calculated threshold or voltage inferred. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF pages 12 and 35, installation and FAQ expanded-capacity requirements

Documented

Literal module labels; no letter-name expansion.

Location: PDF page 2, Display

Documented

Item G is Grounding cable in p16 package. Native p25 inset shows grounding connection at main-pack and M5 label, without numeric earth-terminal torque. Do not substitute mounting M5 torque. Support-pack diagram p7 has no separately identified external earth terminal. Assembled-stack installation context; not standalone-module requirements.

Location: PDF pages 7-8 interface; PDF page 25 native grounding note and warning

Documented

Printed row, not a computed component total. Manual maximum/support-count wording remains separately cited.

Location: PDF page 2, Scalability

Documented

No Condensation as printed; not storage-schedule RH.

Location: PDF page 2, Humidity [%]

Documented

Both native diagram and prose preserved separately; wording ambiguity is not resolved by replacing rear 20 with 300. No numerical front clearance invented. Local installation and safety-clearance regulations apply. Module remains exposed to ambient air, cooled by natural convection; covering/shielding may stop operation. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 17, section 5.2 Clearance, diagram and second note

Documented

Common manual module-cooling instruction; assembled-stack context.

Location: PDF page 17, Clearance note

Documented

No address-setting procedure located. Module Addressing failed is a fault label only. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF pages 6-25,33-34; full 42-page text keyword scan

Not documented

No AWG/mm² power/ground conductor gauge located. Diagram D and R are cable-diameter/bend labels without numerical conductor size. Package OT Terminal label supplies no numeric cable section. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF pages 16,22-25; full 42-page text keyword scan

Not documented

Power-off SOC before storage. Note also requires recharge within 7 days when SOC reaches 0%; permanent faults caused by customer-delayed charging are beyond warranty scope. No warranty duration inferred. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 35, section 7.3.2 low-SOC storage table

Documented

Printed class, not market or issuer-listing proof.

Location: PDF page 38, Protective class

Documented

Salt-affected region within 1000 m of coast or prone to sea breeze, with weather/terrain qualifications. Mounting requires completely waterproof area, hard level floor, wall without noticeable incline, low stable humidity, ventilation, minimized dust/dirt. No market inferred. Assembled-stack installation context; not standalone-module requirements.

Location: PDF pages 12-13, sections 3.3 and 3.4

Documented

Recommended storage time not more than 6 months. RH/duration/SOC conditions stay with each row. Range boundary overlap remains as printed. Storage chapter guidance remains separate from model-table recommended/ordinary storage-temperature rows. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 15, Storage Requirement conditional table

Documented

Inset also prints bend angle ≥90° and cable diameter D. This is a diameter-dependent bound without a numerical diameter, so no radius in mm calculated. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 25, native cable inset

Documented

Maker battery-protection list; inverter-interface protections are separately listed. No external fuse/breaker rating inferred. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 8, section 2.2.1 Battery Protection Function

Documented

Printed system cell net weight, ±5%, not a derived module sum.

Location: PDF page 2, EQ4800-L2 column, Cell Net Weight [kg] (±5%)

Documented

System datasheet row. Manual Main-pack ≤2000 m has separate component scope and is not substituted.

Location: PDF page 2, Altitude [m]

Documented

Power connectors latch by pushing until click. No numeric battery power-terminal torque located. RJ45-body torque is separate. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 23 DC output procedure; full 42-page text keyword scan

Not documented

Native cell line wraps joined; designation not decoded or used as an ordering SKU.

Location: PDF page 37, EQ4800-L2 column, Battery designation

Documented

p25 pin table:1 A-START; 2 GND; 3 /; 4 BMS-CANL; 5 BMS-CANH; 6 BMS-CANH; 7 BMS-CANL; 8 /. Default wire harness PIN to PIN. p22 communication cable: BAT side to battery, INV side inverter. No external Support-pack RJ45 assigned; Exact Main-pack/system CAN rows are recorded separately. Inverter wiring follows its exact user manual. Assembled-stack installation context; not standalone-module requirements.

Location: PDF pages 7-8,22 and25, Main-pack interface and native pin table

Documented

Printed for this exact model in the cited table.

Location: PDF page 37, EQ4800-L2 column, Nominal capacity (Ah)

Documented

Both documents manufacturer-printed claims only, no issuer listing/file checked. Manual PDF page 38 Standard; datasheet PDF page 2 CERTIFICATES. No certification record or region inferred.

Location: PDF page 38, Standard

Documented

Lock body onto RJ45 board-end connector with open-end spanner. Tolerance retained; not power or earth torque. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 22, section 5.5 A Step 3

Documented

Indoor installation area must be no less than 10 m². Lower bound retained. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 17, section 5.2, indoor installation note

Documented

Bottom module leveled with footstand/spirit level; check level before main-pack; secure battery to wall using brackets. L is number of system layers. PDF p21: L≤6, one pair of Item D on Main-pack; L>6, one pair on Main-pack plus additional pair in middle layer of Support-pack modules. Item D is Fixing bracket in p16 package. Ground supports battery weight; outdoors hard and leveled. No horizontal mounting inferred. Assembled-stack installation context; not standalone-module requirements.

Location: PDF pages 19-21, section 5.4

Documented

Each printed temperature, tolerance and C-rate retained. This is not the separate nominal-capacity row.

Location: PDF page 38, Discharge capacity (Ah)

Documented

Common assembled-system location context; local restrictions also printed.

Location: PDF page 17, Clearance note

Documented

Printed for this exact model in the cited table.

Location: PDF page 38, Depth of discharge (%)

Documented

No numeric earth-terminal torque located. M5 screw label on p25 is size only; mounting/bracket M5 3~4 N·m p20 is not substituted. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF pages 7-8,20-25; full 42-page text keyword scan

Not documented

Battery system must be kept at least 2 meters from heat sources. Lower bound retained. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 17, section 5.2, heat-source note

Documented

Only the separately printed Main-pack component package list is recorded. Main-pack is identified as EQ4800-M on PDF page 37. No whole configured-system package total or generic Support-pack = EQ4800-S package equivalence is inferred. Only explicit *4 quantities are retained.

Location: PDF page 16, section 5.1 Items in the package

Documented

The datasheet row explicitly names both directions.

Location: PDF page 2, Recommend Charge/Discharge Current [A]

Documented

Printed for this exact model in the cited table.

Location: PDF page 2, Fire Protection Function

Documented

Native M6 tool torque at Step 5, M5 tool torque at Step 6. Mounting/bracket fastener torques, not battery power or earth-terminal torque. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 20, section 5.4 Steps 5-6 diagrams

Documented

Printed drill diameter/depth. Strict >50 retained; not cable dimensions. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 20, section 5.4 Step 4 native diagram

Documented

PDF page 23 gives dedicated DC+/DC- to battery, BAT+/BAT- to inverter and DC- then DC+ click-fit steps. PDF page 25 separately gives a generic BMS-port paragraph and defers inverter wiring to the inverter manual. Those source labels/steps are retained; no completed inverter-end procedure is selected.

Location: PDF pages 23 and 25

Not documented

Maker conditional storage-loss claim, repeated twice on page. No annual degradation calculated. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 15, repeated storage Note

Documented

Printed component counts. Do not use them to derive totals or to bind the generic Support-pack scalar table.

Location: PDF page 37, EQ4800-L2 column, The number of batteries

Documented

No numeric external fuse or breaker rating located. Protection/fault labels and model-table short-circuit current are not external protective-device ratings. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF pages 8,14,22-25,33-34; full 42-page text keyword scan

Not documented

PDF page 12 also prohibits exceeding inverter battery voltage rating and incompatible inverter connections. No exact compatible inverter list inferred. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 21, warning

Documented

Battery module stored between -20°C~55°C and recharged regularly according to table after long storage. No current in amperes calculated. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 15, Storage Requirement paragraph

Documented

Adjacent note also requires screws installed. Do not merge with distinct optional protective cover p24. Assembled-stack installation context; not standalone-module requirements.

Location: PDF page 20, section 5.4 Step 6 note

Documented

PDF page 25 prose prints vertical length greater than 30mm. The separate native inset labels straight section ≥100mm, bend angle ≥90°, R≥6×D and Dφ. These printed labels are kept distinct, not collapsed into a replacement bound or a calculated radius.

Location: PDF page 25, bottom power-cable warning and separate native bend/straight-section inset

Documented

p21 additionally prints: Support-pack less than 8(1~8) pieces; drawing prints Support-pack ≤8 Layers. Preserve awkward less-than/inclusive wording without silently changing it. Exact configured-system component counts are recorded separately. No per-module scalar derived by dividing system totals. Assembled-stack installation context; not standalone-module requirements. PDF page 6 says Support-pack is the battery module and Main-pack includes system controller and battery module. PDF page 37 identifies the Main-pack Model No. as EQ4800-M; no explicit Support-pack = EQ4800-S scalar-table tie is asserted.

Location: PDF page 6, Product Introduction; PDF page 21, installation note

Documented

Fire-protection module discharge time, not electrical discharge duration. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 10, fire-protection Technical Specifications

Documented

Interval among battery-module manufacture dates, not warranty, life or maximum battery age. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 15, first-installation note

Documented

Thermal activation threshold of fire-protection module, not battery operating temperature. Common EQ4800 family guidance; generic Support-pack scalar-table identity remains unresolved.

Location: PDF page 10, fire-protection Technical Specifications

Documented