12V PRODUCTS, BATTERY BOXES & CARAVAN SOLUTIONS

POWER YOUR NEXT ADVENTURE. BUILT TO LAST.

POWER YOUR NEXT ADVENTURE. BUILT TO LAST.

Helping caravan builders, 4WD owners, van fitters and off-grid travellers with rugged, locally made 12V products that perform where it matters.

01

NEED A RUGGED BATTERY BOX?

02

CUSTOM POWER LAYOUTS

03

LOW-VOLUME RUNS WELCOME

04

LOCAL SUPPORT

BUILT FOR THE WAY YOU TRAVEL

01

CARAVAN & RV

Reliable 12V systems for every adventure.

02

4WD & TOURING

Built tough for long trips and remote conditions.

03

CANOPY & UTE SETUPS

Smart, space-saving power solutions.

04

VAN FITOUTS

Custom fit solutions for any build.

05

MARINE & OFF-GRID

Dependable power for marine and off-grid life.

OUR 12V CAPABILITIES

01

BATTERY BOXES

02

BUS BARS

03

CABLE & ANDERSON COVERS

04

STORAGE & MOUNTS

05

PROTOTYPE DEVELOPMENT

06

LOW-VOLUME MANUFACTURING

SIMPLE PROCESS

01

1 · TELL US YOUR SETUP

Share photos, dimensions, drawings or the way you want to use the system.

02

2 · DESIGN REVIEW

We review fitment, power distribution, mounting points and practical options.

03

3 · BUILD & FINISH

Fabricated, assembled and finished locally for the way the build will be used.

04

4 · READY TO FIT

Delivered ready for your project, fitout or installation.

RECENT CASE STUDIES

DUAL BATTERY ENCLOSURE

Problem: needed a durable, compact enclosure. Solution: custom aluminium battery box with quality hardware. Result: clean install and easy access.

VIEW CASE STUDY →

CUSTOM BUS BARS

Problem: standard bars didn’t suit the space. Solution: custom bars with protective covers. Result: reliable power distribution with a neat finish.

VIEW CASE STUDY →

REAR STORAGE DRAWER SYSTEM

Problem: needed strong storage and power access. Solution: custom drawer with battery box integration. Result: maximised storage and improved functionality.

VIEW CASE STUDY →

PLANNING A 12V BUILD?

Send photos, drawings or your ideas and we’ll help build the right solution.

READY TO BUILD SOMETHING THAT LASTS?

Send through your OEM brief, caravan setup, or fabrication problem and the team will help shape the next step.

Engineering, fabrication and local manufacturing from Doveton, Melbourne.

Doveton, Victoria, Australia

© 2026 Polex Manufacturing

READY TO BUILD SOMETHING THAT LASTS?

Send through your OEM brief, caravan setup, or fabrication problem and the team will help shape the next step.

Engineering, fabrication and local manufacturing from Doveton, Melbourne.

Doveton, Victoria, Australia

© 2026 Polex Manufacturing