The Power Box 40 is your mobile power source. It gives you the freedom to use one battery to power all your passions. To work hard and play harder. Power your tools at the construction site, and then take it on the water for a weekend fishing and camping in your kayak. Built for everything, in an easy to carry, waterproof case. The Powerbox 40 is the do everything, go anywhere, get it done battery. Your adventure awaits. 12v Dakota Lithium LiFePO4 40Ah battery included. LiFePO4 charger included.
Built by hand to order. Please allow 7-10 days for delivery.
Shatterproof military spec case provides a lifetime of use in rugged & wet environments. The Powerbox 40 is fully waterproof and submersible when the box is closed with external plugs to power your trolling motor, laptop, or other electronics.
Same wall plug that you have in your home. Plug in and power most household electronics like lighting, a laptop, or even a small TV.
Easy way to charge your phone, camera, or any personal electronics. (2.1 A & 1 A).
Real time data on how much power is left, how much power is being used & the charge level as volts (V) or percentage (%).
Fully waterproof socket allows you to power your devices while keeping the battery safe and dry. Optimized for higher amp draw uses like trolling motors (<31lbs thrust only), sound systems, or larger electronics.
Includes an adapter with ring terminals and SAE connector so that you can power multiple external devices at once.
Same type of socket that you have in your car.
Powered by a Dakota Lithium 12V 40Ah battery. Built with our signature Lithium Iron Phosphate (LiFePO4) for high performance in extreme environments and ultra-long lifespan.
12v LiFePo4 charger Included.
40 Amp Hours (Ah). Will recharge an Iphone 45+ times, a laptop 13+ times, or run a small refrigerator for 40+ hours.
Up to 80% capacity for 2,000 recharge cycles in recommended conditions plus lifetime technical support. Dakota Lithium batteries last so long that the price per use is a fraction of traditional batteries.
25 A max continuous, 50 A max 300 mS pulse. 10.0 V max discharge, 11.0 V max recommended discharge. For longest lifetime recommended discharge rate 1-20 Amps. Trolling motors <31lbs thrust only. The flat discharge voltage curve provides a 75% bigger capacity then a SLA 40Ah battery.
Battery is protected by a BMS that prevents overheating and extends life. Four 10 A fuses add a second layer of protection and safety. Built to last.
Ideal for rugged & harsh environments. Much better than SLA or other lithium’s. -20'F min, +120'F max optimal environmental operating temps
Built for wet environments, fully watertight (IP67) when closed. Pressure valve to ensure waterproof when closed. Not water resistant when case is open.
12 in x 10-1/2 in x 7-1/2 in. Compact build with a very high energy density.
18 lbs. Lightweight box built for mobile power.
50W folding solar panel add on will charge your Powerbox 40 in 10-12+ hours depending on sun and latitude. Folding panel is also waterproof.
Charge two separate USB devices AND run your high-power load (motor, other) at the same time. Monitor battery charge level in real time.
Up here on the great plains the landscape can be unforgiving – high winds, deep snow, long nights.
The Powerbox 40 was born out of this rugged landscape. A battery designed to endure. To help you do what you love longer. A battery made to last.
With the Powerbox 40 we have harnessed the power of lithium chemistry and combined it with North Dakota grit to build one battery to power everything.
Waterproof. Submersible. Powerful.
To help you play harder. Go further. Last longer. No matter the weather.
Power Box 40 gives you the freedom to use one battery to power many things. Dual USB ports to charge your household electronics. Wall socket to plug in power tools or appliances. Cig socket for your favorite car toys. And one big beefy waterproof SAE socket with a universal ring terminal adapter for powering anything while in waterproof mode. Plus a battery gauge that tells you how much power you have used, and how much is left. All in one rugged, waterproof package. 12v Dakota Lithium LiFePO4 40Ah battery & charger included.
Smartphone 45+ recharges
GoPro Hero Camera 90+ recharges
Tablet 15+ recharges
Laptop 13+ recharges
12V Trolling Motor 90 minutes
Small refrigerator 40 hours
* 12v Dakota Lithium LiFePO4 40Ah battery included.
The Powerbox 40 battery is built with Dakota Lithium's legendary LiFePO4 cells. 2,000+ 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.
The Powerbox 40 is built with Dakota Lithium’s legendary LiFePO4 cells.
2,000+ 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).
Twice the power of lead-acid batteries at half the weight.
100% safe & reliable.
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