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The Heavy Duty Battery Box by hardkorr allows you to turn a regular deep-cycle battery into a convenient portable power station. Create a dual-battery setup using the optional VSR. It is suitable for all deep-cycle batteries up to 330mm (l) x 180mm (w) x 240mm (h) in size. The heavy duty battery box is constructed of durable ABS plastic and meeting the UL 94V-0 standard for flammability of plastic products, this battery box is a high-quality unit that will last for many years. It contains two 12v outlets with 10A fuses, a dual USB outlet, four 50A Anderson-style outlets that can be used as outputs or inputs, and a 175A Anderson-style outlet which can be used as a jump-starter.


Pack Contents

  • 1x Heavy duty battery box
  • 1x set bolts, brackets & Allen keys
  • 1x Strap
  • 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 to charge the battery, or use the optional 50A Voltage-Sensitive Relay (VSR) and Dual Battery Wiring Kit to charge directly from crank battery
  • Can be used to jump start vehicles using our optional 175A Anderson jumper cable set
  • All ports are recessed into the body to reduce likelihood of damage
  • Easily see battery status with large digital display


  • Materials ABS plastic (UL 94V-0 compliant)
  • Box dimensions 455mm (l) x 240mm (w) x 330mm (h)
  • Max. battery dimensions 330mm (l) x 180mm (w) x 240mm (h)
  • Note: batteries longer than 324mm will sit at a slight angle inside the box. This will not affect performance.
  • Max. battery weight 35.0kg
  • Suitable battery types Any deep cycle (Lithium, AGM, Calcium, Wet, Gel)
  • Charge method via Anderson plug input or optional VSR
  • Ports 1 x dual USB output
  • 2 x cigarette plug outputs
  • 4 x 50A Anderson plug inputs/outputs
  • 1 x 175A Anderson plug output
  • Ingress Protection IP64 dustproof & waterproof
  • Cable gauge 2AWG (35mm2) to battery and 175A Anderson port
  • 8AWG (10mm2) to 50A Anderson ports
  • 14AWG (2.5mm2) to cig & USB ports
  • Operating temperature -10°C to 50°C
  • Weight 3.2kg
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