Dakota Lithium | 12V 1200Ah LiFePO4 Solar Battery Bank
When you go off grid during a Dakota winter you need to be prepared for all that mother nature can throw at you. Built for high performance in rugged conditions, this off-the-grid solar battery bank combines 2 to 6 of our largest and most energy dense batteries into one big energy storage system.
Built out of Lithium Iron Phosphate (LiFePo4) technology this is a battery built to last. With a lifespan of 3,000 – 5,000 charge cycles this battery will last up to 5 times longer than your typical SLA battery – providing exceptional value over time.
Optimized for solar energy storage, Dakota Lithium batteries provide a greater energy transfer efficiency, with double the usable power of lead acid or AGM battery banks.
This means that 15 kWh of Dakota Lithium batteries provides the equivalent performance to 30 kWh of lead acid batteries — enough power for most off-grid homes and small businesses. Add a series wiring kit to build a 24v or 48V battery bank. Backed up by an 11 year warranty.
Bundle Includes:
• 2x, 4x, or 6x 200Ah Dakota Lithium batteries
• 1-2x Dakota Lithium parallel wiring kit & fuse blocks
• Free 10A LiFePO4 charger included for each battery
What size battery bank do I need?
• The 400Ah, 5 kWh system is optimal for mid sized RVs with air conditioning, or large RVs without AC, School bus builds, boats, tiny home, and cabins. For smaller RVs and boats, or camper vans we recommend this system.
• The 800Ah, 10 kWh system is optimal for larger boats, off shore sailing, small homes, and large RVs with air conditioning systems.
• The 1200Ah, 15 kWh system is optimal for DIY home solar, going off-the-grid houses, and large cabins.
Suitable For:
✔️ Electric Vehicles
✔️ Boating & Sailboat Batteries
✔️ Home Energy Storage
✔️ Solar Storage
✔️ DIY Powerwalls
✔️ Emergency Power
✔️ RVs
✔️ Golf Carts
✔️ Neighborhood Electric Vehicles (NEVs)
✔️ Off Grid Energy Storage
Experience the Dakota Lithium Difference
The 12V 200Ah battery is built with Dakota Lithium's legendary LiFePO4 cells. 3,000+ recharge cycles (roughly 5 year lifespan at daily use) vs. 500 for other lithium batteries or lead acid. Optimal performance down to minus 20 degrees Fahrenheit (for winter warriors). Plus twice the power of lead-acid batteries at half the weight.
Features / Specs
WARRANTY
Best in Class 11 Year Warranty. That is 10 years more warranty then most lead acid batteries.
VOLTAGE AND CAPACITY
Each battery is 12v 200Ah 2400Wh. LiFePO4 chemistry has a flat voltage curve, meaning this battery has twice as much usable capacity as a lead acid (SLA, AGM) battery with the same rating.
24V OR 48V COMPATIBLE
Add a series wiring kit to connect 2 or more batteries in series to make 24V or 4 or more batteries to make a 48V system.
SIZE & WEIGHT
20.6” x 9.3” x 8.66” (522 x 238 x 220 mm). 59 lbs (26.7 kg) per battery
STORAGE CAPACITY
200 amp hours (Ah) at 12.8V
LIFESPAN/LIFECYCLES
Up to 80% capacity for 3,000 -5,000 cycles in recommended conditions. (Typical SLA has 500 cycles)
DISCHARGE
200 A max continuous, 300 A max 10-second pulse. 9.0 V max discharge, 11.0 V max recommended discharge.
CHARGE
100 A max, Included is a LiFePO4 compatible charger. A SLA charger may work, but will reduce performance and lifespan of the battery.
OPERATING TEMPERATURE
Ideal for rugged & harsh environments. Much better than SLA or other lithium’s. -20'F min, +120'F max optimal operating temps (battery performs well down to -20'F). Avoid charging below 32'F.
SAFE & RELIABLE
Includes active BMS protection circuit that handles cell balancing, low voltage cutoff, high voltage cutoff, short circuit protection and high temperature protection for increased performance and longer life
POSTS
M8 post bolts. (Max torque 15 ft. lbs.)
LIFEPO4 CHARGER INCLUDED
Free 10 Amp (A) charger included. Dakota Lithium batteries like to be charged at 14.4 volts, higher than AGM or lead acid. Lead acid chargers will work, but will only charge the battery to 80% of capacity. Upgrade to a 20 Amp charger for 2X faster charge time.
PARALLEL WIRING CONNECTION KIT INCLUDED
Connection kit for wiring 4 batteries in parallel is included. Wiring kit includes fuses for redundant safety protection.
LITHIUM SPECIFIC SOLAR CHARGE CONTROLLER RECCOMENDED
Dakota Lithium iron phosphate batteries like to be charged at 14.4 volts, commonly knows as the "lithium setting" on solar charge controllers. We highly recommend a lithium compatible solar charge controller to increase the performance of your battery bank. Either choose the lithium setting on your existing controller, or upgrade to a lithium compatible version.
LITHIUM CHEMISTRY
Lithium Iron Phosphate (LiFePO4).
FAQ
Twice the power?
Yes! Here at Dakota Lithium we build all of our batteries with lithium iron phosphate technology which has many distinct advantages over traditional batteries. Including 60% less weight, a charging speed that is up to 5X faster, and a significantly longer lifespan (5-10 years longer on average). One of the most noticeable advantages however is the flat voltage curve. Unlike a lead acid battery where the voltage drops as you use the battery a Dakota Lithium battery has a steady voltage for 99% of the battery's charge. That means you get all the power down to the last drop and double the usable power of traditional batteries.
Are Lithium batteries safe?
Dakota Lithium batteries are 100% safe & reliable. Our signature chemistry, Lithium Iron Phosphate (LiFePO4), does not contain rare earth elements (like Cobalt) or heavy metals, is non-toxic, including no lead or acid, is non-corrosive, does not off gas, requires no watering or maintenance, can be placed in any orientation, and unlike other lithium batteries will not explode or catch fire. In addition, each Dakota Lithium battery is protected from over heating, over charging, and short circuiting, by a battery management system (BMS) microchip that also extends the lifespan and is contained in a rugged, waterproof case (although enough water can conduct electricity between the terminals, so don't submerse the battery). For best performance & reliability we recommend using a LiFePO4 charger.
How do I charge a lithium battery?
Dakota Lithium batteries perform best when charged by a lithium compatible charger. Lead acid or SLA chargers, on-board chargers for AGM batteries, or other non-lithium chargers will charge a Dakota Lithium battery but only to 70-80% of capacity. This is because Dakota Lithium iron phosphate (LiFePO4) technology charges and is full at a higher voltage then traditional batteries (Dakota Lithium charges at 14.4 Volts). Chargers with a lithium battery setting or designed for lithium will charge at the appropriate voltage. See our full catalog of LiFePO4 battery chargers here. All batteries 54Ah and larger include a free LiFePO4 compatible charger. For troubleshooting tips download the Dakota Lithium battery user manual here.
Will cold weather affect my battery?
Your Dakota Lithium battery will discharge normally between a range of -20F and 120F (-29C to 49C). DL batteries are commonly used among ice fishers for their flashers and ice augers, so they are quite resilient and are frequently used in cold climates. In cases of extreme cold however, it is recommended that the batteries be insulated. We also do not recommend charging our batteries below freezing temperatures. If you are planning to regularly charge your battery below freezing temperatures we recommend the DL+ 12V 135Ah battery which has an internal heating element and is optimal for use in cars, trucks, RVs, off grid solar, and any application where the battery will be charged regularly in extremely cold environments (like a North Dakota winter).
Can I use this to start my car/boat engine?
Our DL+ line of batteries have 1000cca of engine starting power plus the same legendary deep cycle capabilities of all Dakota Lithium batteries. That means you can use them for starting a boat, car or truck engine. Our standard deep cycle batteries do not have this cold cranking ability and can not be used for a starting battery.
What Trolling Motor Battery do you recommend?
Dakota Lithium is a proud sponsor of over 200+ professional athletes in the fishing industry. Here's batteries sizes recommended by our pros depending on the size of your trolling motor: Motor Thrust / Max Amp Draw (A) @ Voltage (V) / Recommended Battery
What battery do I need for my RV or Camper Van?
The industry standard house battery size used in most RVs, Campers, and #VanLife builds is the DL 12V 100Ah Battery. This is a drop in replacement for AGM and most lead acid batteries. If you are charging off your engine's alternator we recommend a Victron DC-DC smart charger. If charging off solar panels we recommend a Victron Smart Solar charge controller, or if you have a solar charge controller choose the lithium setting. A handy size chart for number of batteries needed by size of RV is available here.
Shipping
Free Shipping to Lower 48 US States
Dakota Lithium will ship your batteries for free anywhere in the lower 48 US States (excludes Alaska and Hawaii). Batteries ship UPS ground freight and will arrive in 5-7 days to most of the US. You will receive an email with a tracking number after your order ships. The USPS does not allow for batteries to be shipped to Post Office boxes (PO Box). Please use a street address. Larger batteries (over 300 watts) require hazmat shipping. We pay the cost of Hazmat and freight (typically $90 to $150 a battery). You pay $0 for shipping.
Warranty
Eleven Year Warranty
We stand behind the quality of our products:
- 1) 30 day money back guarantee on all orders. If you are unsatisfied for any reason with one of our batteries you can return it for a refund up to 30 days after purchase.
- 2) 11 year manufacturer defect warranty on all batteries. If we made a mistake building your battery we will repair or replace it. See warranty & return policy for details.
- 3) Lifetime technical support. Reach out to sales@romeosolar.com for help from our team of experts.
- 4) 1 year warranty on chargers, powerbox case, and accessories.
30 Day Money Back Guarantee
If you are unsatisfied for any reason with one of our batteries you can return it for a refund, less a 5% restocking fee, up to 30 days after shipping date.
