SOK 12V 314Ah Built-in heater & Bluetooth,Victron CAN Comms Lithium Battery

SOK 12V 314Ah Heated Bluetooth LiFePO4 Battery with Victron CAN Comms

Built for bigger 12V systems that need more than basic lithium

The SOK 12V 314Ah is a high-capacity LiFePO4 battery built for buyers who want a serious 12V battery bank without stepping into a cobbled-together setup. SOK positions this model for RV, marine, solar, and off-grid use, and the feature set makes it clear why: Victron CAN communication, Bluetooth 5.1, built-in self-heating, IP67 protection, NMEA 2000 support, and a very high peak discharge capability all point to a battery designed for more demanding installs, not just light backup duty.

A lot of usable capacity in one battery

With 12.8V nominal voltage, 314Ah capacity, and about 4019Wh of energy, this battery gives you a lot of storage in a single case. That is a big part of the appeal for people trying to simplify a 12V system. Instead of stringing together multiple smaller batteries just to get into the runtime you actually need, you can start with one large-format battery that already brings substantial reserve capacity to the table.

Victron communication is one of the real standouts here

For buyers already running Victron gear, this battery is clearly trying to meet them where they are. SOK says this model supports CAN communication with Victron inverters, which helps with cleaner system integration rather than relying only on a basic voltage reading and hoping the rest of the system plays nicely. For people building or upgrading a more connected power setup, that matters. It means the battery is not just there to store energy. It is designed to communicate with the rest of the system in a more useful way.

NMEA 2000 support makes it especially interesting for marine installs

SOK also lists NMEA 2000 communication protocol support, which is the kind of feature that tends to matter most to marine buyers who want better data sharing across onboard electronics. Not every lithium battery bothers with that layer of integration. Here, it is part of what makes this battery feel more purpose-built for marine and higher-spec installs rather than just repackaged for them.

Cold-weather charging gets a lot less annoying

The built-in self-heating pad is one of the more practical features on this battery. Lithium batteries can become a headache in cold weather if the battery cannot manage charging conditions properly, especially in RVs, trailers, cabins, or boats that see real winter use. SOK says this model supports charging from -4°F to 122°F with the built-in heater pad, which gives buyers a more realistic cold-weather battery option instead of one that works great until temperatures drop.

Bluetooth 5.1 gives you real-time visibility from your phone

This battery also includes Bluetooth 5.1 monitoring for iOS and Android apps, which is the kind of feature that quickly becomes part of how you actually use the system. Instead of guessing at battery condition, you can check in from your phone and see what is going on in real time. For larger battery banks, that kind of visibility helps with everyday confidence and makes it easier to spot problems before they become bigger ones.

Safety is not just a checkbox here

SOK includes a gas aerosol fire suppression system, which is not something you see on every battery page. That detail stands out because it signals a design that is trying to address real-world fault concerns, not just list generic protections and move on. Add in the IP67 waterproof and dustproof enclosure, and this starts to look like a battery built with harsher environments in mind. For buyers putting a battery into a marine compartment, trailer, utility space, or off-grid install where conditions are less than gentle, that extra protection is worth paying attention to.

High output where it counts

This is not a battery that tops out the moment the system asks for real power. SOK rates it for 200A maximum continuous discharge, with an 800A peak discharge current for about 10 seconds on the product page and 800A, 10s on the spec sheet. That kind of surge capability matters for loads that hit hard on startup or for systems where a battery needs to do more than quietly support a few light-duty accessories.

Charging specs that fit a serious 12V setup

On the charging side, SOK lists a 150A recommended charge current, 200A maximum charge current, and a 13.8V recommended charge voltage. The spec sheet also shows recommended charge voltage at 14.0V or lower, so the main takeaway is that SOK gives this battery strong charge acceptance while still publishing clear charging guidance instead of leaving installers to guess.

Easy to expand if one battery is not enough

Scalability is another big selling point here, even if you are trying not to think about it as a selling point. SOK says this battery supports up to 4 batteries in series and up to 10 batteries in parallel, which gives you a lot of room to grow. That means you can stay simple with one battery now, or build toward a much larger bank later without changing to a different platform entirely. For RV, marine, and off-grid buyers who know their power needs tend to grow over time, that flexibility is useful. 

Small details that make day-to-day use easier

The battery also includes an ON/OFF switch, which sounds minor until you have had to work around a battery that does not. Simple control matters during installation, storage, maintenance, or troubleshooting. SOK’s spec sheet also lists M8 terminals, 67 lb weight, and dimensions of about 17.1 x 9.4 x 10.9 inches, which helps explain why this battery can bring a lot of capacity without becoming absurdly bulky for its class.

Temperature and compliance details buyers usually want to know

SOK lists a discharge temperature range of -4°F to 140°F, storage temperature of 23°F to 95°F, and certifications including UL1973, UL9540A, and IEC62619 for cells on the spec sheet, along with MSDS and UN38.3 for shipping. Those are the kinds of details buyers tend to check once they move beyond brochure-level comparisons and start looking at whether a battery is actually suited to the environment and installation they have in mind.

Warranty

SOK lists this battery with a 7-year limited warranty.

In Short

What it is

The SOK 12V 314Ah Heated Bluetooth LiFePO4 Battery is a large-capacity 12V lithium battery built for RV, marine, solar, and off-grid systems that need stronger integration, better weather resistance, and more serious output than a basic drop-in battery. It combines Victron CAN communication, NMEA 2000 support, Bluetooth 5.1 monitoring, built-in self-heating, IP67 protection, and a gas aerosol fire suppression system in one battery platform.

What stands out

You get 314Ah capacity, roughly 4019Wh of energy, 200A continuous discharge, up to 800A peak discharge, and support for up to 4 batteries in series or 10 in parallel. It is the kind of battery that makes more sense for buyers building a substantial 12V system and wanting a battery that is set up for communication, cold-weather use, and tougher install environments from the start.

Features

• CAN communication with Victron inverters for seamless integration
• Built-in self-heating pad for low-temperature operation
• Gas aerosol fireproof system for enhanced safety
• IP67 waterproof and dustproof design for harsh environments
• Over 15,000 cycles for long-term performance
• Bluetooth 5.1 monitoring via iOS and Android apps
• ON/OFF switch for easy power control
• Peak discharge current: 800 A for 10 seconds
• Support for series (up to 4) and parallel (up to 10) connections
• Supports NMEA 2000 communication protocol
  

Specifications

Charge Information:

• Recommended Charge Current: 150 A
• Maximum Charge Current: 200 A
• Recommended Charge Voltage: 13.8 V
  
  

Discharge Information:

• Maximum Continuous Discharge Current: 200 A
• Peak Discharge Current: 800 A (7.5 s ±2.5 s)
• Recommended Low Voltage Disconnect: 10.4 V
  
  

Size Information:

• Dimensions: 17.1 × 9.4 × 10.9 inches
• Terminal Type: M8, 5/16 lugs
• Weight: 67 lbs.
  
  

Temperature Information:

• Discharge Temperature: -4 to 140 ºF
• Charge Temperature: -4 to 122 ºF (built-in heater pad)
• Storage Temperature: 23 to 95 ºF
  
  

Certifications:

• UL1973 & IEC62619 for battery cells
• MSDS and UN38.3 for shipping
  
  

Warranty - 7 years