
Heavy Duty Battery Box PRO
with 40A DC-DC Charger

CREATE YOUR OWN PORTABLE POWER STATION
The Heavy Duty Battery Box Pro model gives you more ways to utilise your auxiliary battery power. It comes with an integrated wireless charger, and a wide array of ports, plugs and sockets to give you the power you need, however you need it.
Equipped with a 40A DC-DC Charger, it allows you to charge and maintain your battery via solar panels or your vehicle’s alternator, ensuring you’re never limited to home charging.
KEY FEATURES
- Constructed from UL 94V-0 compliant fire-resistant ABS plastic
- Multiple port types allows you to connect a range of devices
- Easily connect to the built in DC/DC charger via 40A wiring kit to charge directly from crank battery or a solar panel to charge the battery.
- Can be used to jump start vehicles using our optional 175A Anderson jumper cable set
- Can be used to run up to a 1500W Inverter using our optional Inverter cable kit
- All ports are recessed into the body to reduce likelihood of damage
- Wirelss charging pad (max. 15W)
- Easily see battery status with digital display
EASY DUAL BATTERY SETUP
For a dual battery setup, simply connect your primary power source to one of the 50A Anderson-style plugs, and the auxiliary battery's charge status and voltage will appear on the digital display. Having extra power on your next trip couldn't be easier.
Whether you’re camping in the sticks or weathering the summer storms, the Hardkorr Heavy Duty Battery Box allows you to quickly and easily create a portable 12V power station when paired with a compatible battery.
With its compact size and wide range of electrical connections available, there’s practically nothing you can throw at this box that it won’t accommodate. If you experience a black out and the fridge is starting to thaw, the Battery Box provides a simple and safe way to get your camp fridge powered up.
Need a jump-start? The 175A Anderson-style plug has you covered for connecting a pair of jumper leads for your vehicle’s main battery. When it’s time to recharge, the 50A Anderson-style plugs give you a direct interface for charging with your solar panels.
SPECIFICATIONS | |
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Battery Compatibility | Lithium, AGM, Calcium, Wet, Gel |
Body Material | ABS plastic (meets UL-94V-0 standard) |
Charge Method | Via Anderson-style plugs |
In/Out |
2x USB-C ports 2x Quick-charge USB ports 3x Cigarette sockets 4x 50A Anderson-style plug 1x 175A Anderson-style plug 1x Wireless charging pad 1x DC-DC input 1x Solar input |
Input/Output Fuse Rating |
2x 50A Auto reset 2x 30A Blade fuse |
Maximum Battery Size (mm) | 330 (L) x 180 (W) x 240 (H) |
Maximum Battery Weight (kg) | 35.0 |
Box Dimensions (mm) | 420 (L) x 240 (W) x 340 (H) |
Operating Temperature | -10°C — 60°C |
Certifications | CE, RoHS, FCC |
1x | Heavy duty battery box w/ 40A DC-DC Charger |
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1x | set bolts, brackets & Allen keys |
1x | Strap |

All Hardkorr products are manufactured using the highest quality materials. We are confident that they are the most durable in the market and will give you many years of reliable service. We stand behind this product with a comprehensive 2-year Australian warranty and a 30-day money back guarantee.