SOK Battery LiFePO4 Deep Cycle Rechargeable Lithium Battery 12V 200Ah Built-in BMS,Low Temperature Disconnect.

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State of Charge: 30% (NOTE: Set this to 30% with brand new, untouched batteries. They ship at 30% SOC%.) Li Time has sold tens of thousands of batteries with very low failure rate. Compare this to more expensive lifepo4 batteries that have BMS failures and other issues. The cell voltage differential on their cells is lower than batteries that cost 2X as much in my testing. Absolutely! With no acid or venting, this battery can be installed in any configuration except for upside-down (terminals facing down). Who makes the SOK BMS?

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Under Balancing Voltage it says <14.4V. I found that odd given many BMS balancing systems only begin to balance at about that voltage. I asked the question on the SOK FB group and got an answer from the SOK rep. They said the SOK BMS does continuous balancing up to 14.4V. Apparently it's a real thing, but I don't know how it compares qualitatively to other balancing systems. The lowest safe storage temperature is -22°F, so any temperatures below this, you should bring them inside or add a heating pad of some sort, but keep in mind if a heating pad runs out of power and the battery falls below -22°F, damage may occur.I bought a pair of SOK 206ah batteries last fall, I was hooking them up to my off grid system on a Saturday and was having trouble with my solar charge controller settings. I called Current Connected for some help and Dexter answered, he let me know they were closed but he was doing some cleanup work around the shop, I asked for some help and he gladly walked me through every setting to get me up and running! That is company dedication at it’s finest. Dexter is a great asset to this company, I will only buy my system components from Current Connected from now on, thank you Dexter! Let’s say you setting this at 10%; when you get to 10%, the Smartshunt will indicate 10% remaining and 0 minutes until empty. If you choose to fully discharge your battery (not recommended) then set this to 0%. If you want to be more conservative on your time remaining, then set this to 20% Settings for Victron SmartSolar MPPT Charge Controllers: A reasonable value for the "tail current" would be 0.05C (where C is cell capacity - Ah). So if you have 100Ah cells, set the tail current to 5A (in the MPPT charger; Multiplus does not have a "Tail current" setting).

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Battery Starts Synchronized: Disabled (NOTE: you will need to fully charge your battery to sync up SOC%) Absolutely! With no acid or venting, this battery can be installed in any configuration except for upside-down (terminals facing down). Environmental damage; inappropriate storage conditions as defined by the Manufacturer; exposure to extreme hot or cold temperatures, fire or freezing, or water damage .Only had them up for 4 days but been perfect so far. Everything is cool to the touch even when I was charging and discharging at up to 9.5kw. I’m probably going to end up getting 5 more as 25kwh doesn’t last as long as I thought it does 😀 If you can, we recommend setting the equalization voltage to 14.6v. With this set at 14.6, if an equalization is somehow triggered, you will not damage your battery. Victron Settings For SmartShunt & BMV-712 / SOK Battery When I first got my two 206Ah SOKs I ended up putting them in parallel and charged them using a Victron Blue Smart IP67 charger which does 12V @ 17A. This was to get them to the same SOC in preparation for putting the batteries in series. It took about 12 hours but I only had to do it once. So far, SOK has released two different models, a 100 Amp-hour battery and a 200 Amp-hour battery. Each model is a lithium-ion storage bank protected in a strong metal casing.

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Each SOK Battery lasts for approximately 4,000-8,000 life cycles, according to the product manufacturer. Although this is a wide range, daily discharges of a SOK battery last for anywhere from 10-20 years. The nice thing about using two batteries with a 2000W inverter is that it works in either parallel or series. Two in parallel is of course 12V with a combined discharge of 200A. 2000W / 12V = 167A which is obviously less than 200A. Two in series is 24V with a discharge current of 100A. 2000W / 24V = 83A which is less than 100A. So good either way.I'm using a Victron IP67 charger (12V 25A), and the battery is getting fully charged, but the Victron charge cycle status shows up as interrupted. I'm told it could be due to cells out of balance. Enjoy peace of mind with the SOK battery’s comprehensive protection against overcharging, discharging, and short circuits, safeguarding both the battery and connected devices. The battery cells auto-balance, ensuring consistent performance and longevity. High and Low Temperature Disconnects Low Voltage Disconnect 11.0 - probably the low voltage at which the BMS disconnects the battery from the loads Great question! They are M8x1.25 - for a ring terminal it would be best to use a 5/16" diameter terminal. The recommended torque for tightening these terminals is 15 Ft-lbs Can be serviced. If one of the cells fails in ten years, you can swap it out for a new one. If the bms fails, you can swap it out in minutes.