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All of our SOK Lithium Batteries are smart, which is why we like to brag about them. How smart you ask though? They have a brain built-in. Referred to as a Battery Management System, or BMS, these batteries protect themselves from surges, over and undercharging issues, temperature fluctuations, and even have built-in Bluetooth capabilities to communicate directly with you via your phone! 

We know you’ve already checked out the other SOK 100Ah and are wondering why on earth you’d want this one instead. Yes, they are almost the same system, however, this one is HEATED. Why do you care? Because if you’ve ever had to jump-start a vehicle in the freezing snow with the jumper cables sticking to your frozen fingers like melted duct tape, you’ll appreciate this feature. 

Good to -20ºC (-4ºF), these batteries are one step up from their counterparts on longevity if you live in the same realm as Sasquatch. Not only is this a convenience for you, but the batteries will last longer too. Unless you plan on unhooking your entire system and cozying it up to the fire every time you think the temperatures are about to drop, this is the best lithium battery Canada can do for you. Also, that was a metaphor, highly flammable, please don’t store these next to the fire, any heated garage space will do! 

Key Features & Benefits:

• Bluetooth - Check the health of your battery, anywhere, at any time, right from your smart phone.
• Battery Management System - Also referred to as the brain of the battery, the built-in BMS protects your cells from excessive currents and short circuits.
• Temperature Control - The built-in low-temperature sensor protects the battery in extreme temperatures. 
• Over Charging and Discharging Protection - Another awesome built-in BMS feature.
• Built-In Heating Pad - Feel secure knowing you can charge and discharge your batteries down to -20ºC (-4ºF) without damaging your cells.
• Long-Lasting - A ridiculous 4000-8000 cycles.
• Only 28.2 lbs - Keeping your loaded weight to a minimum.
• Serviceable Case - Just as easy to work on as they are to use.
• 7-Year Warranty - Because these batteries are expected to last!
• Not the Right Fit? - Free returns on this product. 
  

In order to save battery power the bluetooth turns off after 6 hours of inactivity. As soon as charge or discharge is detected the bluetooth will turn back on.

Dimensions & Specifications:

Size: 10.6" x 7.9" x 8.2" (L x W x H)
Weight: 28.2 lbs
Terminal Type: M8, 5/16 lugs
Weather Rating: IP50
Watt Hours: 1280 Wh

Charge Information:

Recommended Charge Current: 20A
Maximum Charge Current: 50A
Recommended Charge Voltage: 14.6V

Discharge Information:

Maximum Continuous Discharge Current: 100A
Peak Discharge Current: 200A (7.5 s ±2.5 s)
Recommended Low Voltage Disconnect: 10.4V

Temperature Information:

Charge Temperature: -20 to 45ºC (-4 to 113ºF)
Discharge Temperature: -20 to 60ºC (-4 to 140ºF)
Storage Temperature: -5 to 35ºC (23 to 95ºF)

Previously you were not able to connect heated batteries in series.

Now with the updated V8 BMS they can be connected in series.

However with series connection you need a battery voltage balance. This one from Victron is recommended.

More Information:

SOK Frequently Asked Questions Sheet

For more information, watch this unbiased review with over 599k views

Recommended Wall Charger: Victron Blue Smart Battery Charger 12V/25a (IP67)