Battery

SOK SK12V314PH Heated LiFePO4 314 Ah wiring diagram

SK12V314PH: 12.8 V, 314 Ah heated LiFePO4 battery with internal BMS, Bluetooth and CAN. V1.2 specifies 200 A continuous charge/discharge and 800 A discharge for 10 seconds. Communication wiring and charge-profile setup require the matching SOK manual.

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Nominal voltage: 12.8 V
Compatible systems: 12 V
Capacity: 314 Ah

Wiring diagram

How the SK12V314PH 314 Ah is wired.

Open this example in Crimp to use your own parts and cable lengths. Review the assumptions and installation notes as you adapt the circuit.

SOK SK12V314PH Heated LiFePO4 314 Ah wiring example with 4 components: SK12V314PH 314 Ah, Battery disconnect, Fused DC distribution, DC fridge. 5 cable connections. Crossings are not junctions.Single 12.8 V SK12V314PH with internal BMS. V1.2 specifies 200 A continuous charge/discharge and 800 A discharge for 10 seconds. The example load is only a planning allowance. Select battery-side protection from the actual conductors, bank fault current and fuse interrupt rating; the BMS does not replace it. Confirm charging settings and any series/parallel arrangement with SOK for the exact revision. Red = positive · dark = return · dashed = signal. Wire sizes and fuse ratings are example values; use the equipment instructions and actual installation lengths.

Single 12.8 V SK12V314PH with internal BMS. V1.2 specifies 200 A continuous charge/discharge and 800 A discharge for 10 seconds. The example load is only a planning allowance. Select battery-side protection from the actual conductors, bank fault current and fuse interrupt rating; the BMS does not replace it. Confirm charging settings and any series/parallel arrangement with SOK for the exact revision. Manufacturer installation manual

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Cable sizing for this example

Use the diagram as a starting point for your installation. Replace the example equipment and cable lengths with your own, and check the connections against your exact model's instructions.

Cable sizes depend on the connected equipment, current and cable lengths. Add those details in Crimp to size each run.

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Installation notes

Before you install.

Open a question for model-specific guidance and sources.

Verified against the manufacturer's documentation, checked 2026-10-22. Manufacturer documentation →

Which SOK battery is this?

SK12V314PH is a 12.8 V, 314 Ah LiFePO4 battery with internal BMS, heating, Bluetooth and CAN communication. The V1.2 manual, §2.2 specifies 200 A continuous charge/discharge, with 260 A discharge for 60 seconds or 800 A for 10 seconds. These brief overload ratings do not increase continuous capability. The older specification sheet gives a different peak duration; match your hardware revision.

How do I connect it?

Use the main positive and negative M8 posts. Link IN/OUT are communication ports, not power connections. A GX communication arrangement is separate from MultiPlus VE.Bus wiring. The example shows DC power only, with an illustrative load and external protection that must be selected for the actual circuit.

The manual's bank-fuse wording is ambiguous; Crimp does not turn it into an automatic fuse rule or treat a BMS trip threshold as a verified prospective fault-current rating. Confirm protection and charging settings with SOK.

Can I expand the bank?

V1.2 describes up to four in series or ten in parallel, excluding combined series-parallel banks. Its safety boilerplate conflicts with that series guidance: confirm the arrangement for your revision before installation. This entry represents one 12 V-system battery.

Technical reference

Specifications and terminal map.

Check the model, ratings and connection points against your own unit before choosing installation hardware.

Catalog specification

Nominal voltage: 12.8 V
Compatible systems: 12 V
Capacity: 314 Ah
Surge current: 800 A
Maximum discharge: 200 A

Terminal map

BATTERY + and BATTERY − are the main M8 power posts. Link IN/OUT carry communication, not load current; CAN/GX, RS485 and NMEA 2000 connections are outside this power drawing. Do not assume a direct CAN connection to MultiPlus VE.Bus.

TerminalPolarityRoleLimit

BATTERY +

positive · bidi

positivebidi200 A

BATTERY −

negative · bidi

negativebidi200 A

Sources and sizing method

Equipment specifications. Model details, ratings and terminal roles come from the catalog. Check your unit’s label and current manufacturer documentation for its exact revision.

Example sizing. Wire sizes and fuse ratings apply to the connected example, not a fixed cable size for this component. Set your actual equipment, current, lengths and installation conditions in Crimp before choosing hardware.

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Next step

Plan your installation with SK12V314PH 314 Ah.

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