Fox ESS EP5 Battery Module

The manual names Lithium Iron Phosphate; the exact-model sheet prints LFP (LiFePO₄).

Location: PDF page 3, Introduction

Documented

Exact printed individual-model energy; no multiplication, division or usable-energy calculation.

Location: PDF page 10, Nominal energy (kWh)

Documented

No usable-energy row for this exact model is printed in the reviewed tables; no value derived from nominal energy and DoD or transferred from EP3/EP4/EP10.

Not documented

Exact printed individual-model nominal voltage.

Location: PDF page 10, Nominal voltage (Vdc)

Documented

No separate Rated capacity row is assigned; the manual prints Nominal capacity 27 Ah.

Not documented

Printed 27/27 in discharge/charge order; no maximum output power calculated.

Location: PDF page 10, Max. continuous discharging/charge current (A)

Documented

Printed 27/27 in discharge/charge order.

Location: PDF page 10, Max. continuous discharging/charge current (A)

Documented

Sheet current is affected by temperature, cell voltage and SOC (footnote 1). Distinct from the manual continuous-current row.

Location: PDF page 2, Max. Charge/Discharge Current

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 10, Charging cut off current (constant current and constant voltage) (A)

Documented

Sheet current is affected by temperature, cell voltage and SOC (footnote 1). Its row is not relabeled as a continuous-current rating.

Location: PDF page 2, Max. Charge/Discharge Current

Documented

Manual claim is 65 A for 30 seconds. The sheet duration-conditioned claim is kept separately below; no interpolated capability or same-condition contradiction is asserted.

Location: PDF page 10, Peak discharging current (30s) (A)

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 10, Battery voltage range (Vdc)

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 10, Recommended charging current (CC-CV) (A)

Documented

Printed ≥4000 @25°C @90%DOD. No EOL/SOH or C-rate condition added.

Location: PDF page 10, Cycle life (cycles)

Documented

Printed 90%DOD cycle-test condition, distinct from the sheet depth-of-discharge rating.

Location: PDF page 10, Cycle life, test DoD

Documented

No end-of-life SOH/capacity percentage is attached to the printed cycle-life row.

Not documented

Printed ≥95; footnote 2: @25°C, 0.3C charging/discharging. Battery-pack round-trip efficiency, not inverter/MPPT efficiency.

Location: PDF page 2, Battery Pack Round-Trip Efficiency

Documented

Manual prints 50.5±2 kg. The sheet prints the same central number with ±5%; both tolerances retained with their sources, no calculated bounds.

Location: PDF page 10, Weight (kg)

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 10, Dimensions (W×H×D) (mm)

Calculated

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 10, Ingress protection

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 10, Communication

Documented

Printed Max. 4 Units in Parallel; no sale-package quantity or combined system total inferred.

Location: PDF page 2, Scalability

Documented

Specification-table range. Duration/RH/SOC-conditioned storage instructions are recorded separately.

Location: PDF page 10, Storage temperature (°C)

Documented

The manufacturer says deployment upon detection of thermal runaway can suppress/restrict fire spread; no independent fire test or safety assessment.

Location: PDF page 6, Fire Situation, Note

Documented

Warm-up-off charge range. Sheet footnote 3 states charge/discharge power reduction at low temperatures.

Location: PDF page 10, Operating temperature range, warm up function off

Documented

Warm-up-off discharge range. Optional heated-version rows remain conditional.

Location: PDF page 10, Operating temperature range, warm up function off

Documented

No warranty term or capacity calculation inferred.

Location: PDF page 35, Expanded capacity requirement

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 2, Display

Documented

Manual describes chain continuing until last battery left ground terminal. Ground cable K2 and M5 torque remain separate from current conductors.

Location: PDF page 21, Parallel Mode

Documented

Columns are Function definitions / Function declaration, pins 1-8 in order. Both spellings retained, including LINK IN Sync_WKEOUT / WakeupIn; no correction or re-interpretation.

Location: PDF page 14, PCS pin configuration

Documented

Printed 5~95 (No Condensation); distinct from storage-duration table RH.

Location: PDF page 2, Humidity

Documented

Each printed diagram/prose context retained without merging the bottom-clearance wording or importing another manual.

Location: PDF page 17, Clearance diagrams and prose

Documented

Printed 32.4 A for 5 seconds.

Location: PDF page 10, Peak charging current (5s) (A)

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 2, Cooling Method

Documented

Columns are Function definitions / Function declaration, pins 1-8 in order. Both spellings retained, including LINK IN Sync_WKEOUT / WakeupIn; no correction or re-interpretation.

Location: PDF page 14, LINK IN pin configuration

Documented

Main/endpoints are identified by the printed plug/chain steps, but no manual DIP-address setting is assigned.

Not documented

No AWG or mm² power/ground conductor size located in the reviewed manual; no gauge inferred from cable length or connector drawing.

Not documented

At SOC 0%, charge within seven days. Source says customer-caused delayed-charge permanent faults are beyond warranty scope; no duration inferred.

Location: PDF page 35, Storage with Low SOC

Documented

Any battery can be Main. Stand-alone mode uses two Parallel Plugs in LINK IN/LINK OUT. No DIP/address procedure or resistor value inferred.

Location: PDF page 21, Parallel Mode

Documented

Columns are Function definitions / Function declaration, pins 1-8 in order. Both spellings retained, including LINK IN Sync_WKEOUT / WakeupIn; no correction or re-interpretation.

Location: PDF page 14, LINK OUT pin configuration

Documented

Optional heated-version conditions only. Exactly 40% SOC branch is not stated; no decision invented. No heated SKU/suffix or hardware equivalence inferred.

Location: PDF page 7, Warm Up

Documented

Printed protective class, not an independently checked certification.

Location: PDF page 10, Protective class

Documented

Temperature, RH, duration and SOC stay together, separate from specification-table storage temperature.

Location: PDF page 34, Maintenance Instructions, storage table

Documented

No standalone battery Wi-Fi/Bluetooth inferred.

Location: PDF page 15, Monitoring Methods

Documented

Salt-affected means within 1000 m of coast or prone to sea breeze with the source weather/terrain qualifications. Outdoor paragraph permits some exposure if reasonable measures taken; no new regional basis.

Location: PDF page 5, Installation and Mounting

Documented

Distinct from the separately printed inverter-interface protection list.

Location: PDF page 13, Battery protection

Documented

Cell net weight, not pack weight; tolerance ±5% as printed, no calculated bounds.

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

Documented

Manual prints ≤2000 m; sheet alternative remains separate with its own source.

Location: PDF page 10, Altitude (m)

Documented

Grid-connected startup turns inverter on first. Black start: POWER hold 3s/release, then three presses within 4s, completed within 30s of battery startup. Do not stop during charging/discharging; correct inverter connection first, no wiring modifications during black start.

Location: PDF page 31, System Operation

Documented

DC plug insertion ends in a Click; no numeric DC power-terminal tightening torque is supplied.

Not documented

Printed time-control guidance; no schedule or energy demand calculated.

Location: PDF page 7, Warm Up Time Slot

Documented

CAN communication to inverter; native connector marked CAT5e, not a claim of Ethernet networking.

Location: PDF page 14, Battery interface

Documented

Exact printed single-battery packing labels and counts, not a parallel-system kit or an inferred sale package. Letter codes identify diagram parts, not manufacturer SKUs.

Location: PDF page 16-17, Items in the package

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 17, bracket marking steps

Documented

Row says Nominal capacity, not Rated capacity. No separate rated-capacity claim inferred.

Location: PDF page 10, Nominal capacity (Ah)

Documented

Manual page 7 says exclusively available in heated versions and requires every battery to be a warm version; no separate SKU inferred.

Location: PDF page 10, Warming up function

Documented

No numerical PCS/LINK communication-connector torque located.

Not documented

Printed lower bound, no calculation from energy or weight.

Location: PDF page 10, Energy density (Wh / kg)

Documented

Disconnect all power sources before cleaning; soft dry cloth only. No new warranty/lifecycle claim.

Location: PDF page 35, Routine Maintenance

Documented

Floor or wall mounting; hard level floor, wall without noticeable incline, bracket horizontal. No stacking permission or built-in inverter inferred.

Location: PDF page 5, Installation and Mounting

Documented

Two printed temperature/C-rate/tolerance conditions retained. Not the separate nominal-capacity row.

Location: PDF page 10, Discharge capacity (Ah)

Documented

Manual installation restrictions still apply, including salt-affected location exclusions and reasonable outdoor protection.

Location: PDF page 2, Installation Location

Documented

Direct sheet rating. No usable kWh derived from it.

Location: PDF page 2, Depth of Discharge

Documented

M5 earth-terminal fastener, not DC power or communication connector torque.

Location: PDF page 20, grounding diagram

Documented

Printed for this exact battery module; manufacturer claim, not an independent test.

Location: PDF page 2, Fire Protection Function

Documented

Parallel mode battery-to-junction-box distance; box purchased separately, no model or certified rating inferred.

Location: PDF page 23, parallel cable note

Documented

Mounting hardware only, not power or communication-terminal torque. E2 is also labeled D8 Expansion Tube in the packing list; both printed contexts retained.

Location: PDF page 18 and PDF page 19, mounting diagrams

Documented

Exact ordinary manual gives 45-50 mm in prose and diagram. No Plus manual drilling depth imported.

Location: PDF page 18, bracket drilling prose and diagram

Documented

Polarity follows the exact battery/inverter labels. Parallel mode routes each L2 to the separately purchased junction box and box output to inverter battery port; Main PCS and ground connections remain as printed.

Location: PDF page 20, stand-alone inverter connection

Documented

Short-circuit current, not peak discharge; no unit conversion or output-power calculation.

Location: PDF page 10, Short circuit current (kA)

Documented

Exact maker installation restrictions. No compatible-inverter model list, permitted mixed-model bank, numerical series count or hardware equivalence inferred.

Location: PDF page 5, Installation

Documented

Native bracket-height labels, no dimension derived.

Location: PDF page 17, Clearance mounting diagrams

Documented

Only the optional heated version with warm-up function on; no heater-equipped hardware, SKU or suffix equivalence inferred.

Location: PDF page 10, Operating temperature range, warm up function on

Documented

Direct printed maximum-storage headline with additional batteries in parallel; no arithmetic or standalone module energy substitution.

Location: PDF page 1, Scalable to

Documented

Conditional maker statement, not an annualized degradation estimate.

Location: PDF page 34, Storage notice

Documented

No numerical external breaker/fuse current, poles or interrupt rating located. Internal protection and fault labels are not an external rating.

Not documented

First-installation/recharge condition, not a warranty term.

Location: PDF page 5, Installation

Documented

After a long storage period; no amperage calculated. Recommended storage not more than 6 months; first-installation manufacture-date interval shall not exceed 3 months.

Location: PDF page 34, Maintenance Instructions

Documented

Interface protection scope; not all items relabeled as internal battery protection.

Location: PDF page 13, Inverter interface protection

Documented

Maker-stated labels only; no independent issuer verification or certificate entity. Labels and different publication contexts retained.

Location: PDF page 10 and technical-sheet PDF page 2, Standard and Certificates rows

Documented

Only the optional heated version with warm-up function on. Page 7 control conditions remain separately stated.

Location: PDF page 10, Operating temperature range, warm up function on

Documented

Separate manufacturer passages, not a merged method or independent emergency recommendation. Page 6 also says evacuate people from the building immediately before attempting extinguishing, and disconnect battery only if safe.

Location: PDF page 5-6, separate fire instructions

Documented

Power Cable (L2) pulled straight from battery DC+/- for more than 80mm before bending; strict bound kept as printed.

Location: PDF page 20, power cable note

Documented

Inverter endpoint cable connected vertically, greater than 30 cm; distinct endpoint and unit, no mm conversion or bend-radius inference.

Location: PDF page 20, power cable note

Documented