CREATE YOUR OWN PORTABLE POWER STATION
The Heavy Duty Battery Box Max 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.
Connect the battery box either internally or externally with a Hardkorr DC-DC Charger to charge and maintain your auxiliary battery via solar panels or your vehicle’s battery, ensuring you're never limited to home charging.
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.
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 a DC/DC charger or solar panel with regulator to charge the battery, or use the optional 50A Voltage-Sensitive Relay (VSR) and 40A wiring kit to charge directly from crank battery
- Can be used to jump start vehicles using our optional 175A Anderson jumper cable set
- Can be used to run up to a 2000W 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 with regulator.
| Battery compatibility | Lithium, AGM, Calcium, Wet, Gel |
| Body material | ABS plastic (meets UL-94V-0 standard) |
| Charge method | Via Anderson-style connectors |
| In/Out |
2x 45W USB-C ports 2x USB-A QC3.0 ports 2x 12V 10A lighter sockets 6x 50A Anderson-style plugs 1x 175A Anderson-style plug 1x Wireless charging pad 1x 3-pin 50A input (for optional internal DC-DC charger) 1x 50A Solar input (for optional internal DC-DC charger) |
| Max. battery size (mm) | 383 (L) x 205 (W) x 255 (H) |
| Max. battery weight (kg) | 35.0 |
| Operating temp. | -10°C – 60°C |
| Certificates | CE, RoHS, FCC |
| Product dimensions (mm) | 483 (L) x 295 (W) x 375 (H) |
| Qty | Description |
|---|---|
| 1x | Heavy Duty Battery Box MAX |
| 2x | Tie down straps + hardware |
| 2x | Terminal covers |
| 1x | Allen key |
| 4x | Lid fastening bolts |
| 5x | Anderson-style cable ends (for DC-DC connection) |
This product has a 2 year replacement warranty. This means that if the product is found to be faulty, we will replace the whole product. See our warranty page for details.
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