MADJAX

MADJAX Reliance 13-030: 30A Golf Cart Voltage Reducer (36V/48V to 12V) 360W with Dual Power Source

$124.91

In stock and ready to ship with free delivery.

Compatibility

Fits: MadJax

Not sure it fits? Email us your cart model & year before ordering — free returns within 30 days if it doesn't.

Shop Pay installment options may appear at checkout where eligible.

Parts, upgrades and gear for golfers and golf cart owners

Free shipping Secure checkout 30-day free returns
Spare set Need a spare? Add 2 units

Fitment-checked parts and golf gear, shipped free across the US.

Multi-cart Kitting out several carts? Add 3

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

30-day free returns

i

Return shipping is free on every eligible return within 30 days, with a full refund to your original payment method.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support — replies within 1 business day

Questions before checkout? Email golfavero@gmail.com with your cart or club model.

Share

Why customers choose Golfavero

Overview

MADJAX Reliance Power Parts 13-030 is a rugged 12V voltage reducer designed for 36V or 48V golf carts. By drawing from the full battery pack, it delivers clean, steady 12V power to a wide range of accessories, supporting loads up to 360 watts. The unit's powder-coated aluminum housing adds durability for daily use on the course or trail, with a compact footprint that fits a variety of installations.

Key specifications

  • 12V @ 30A output
  • Part number 13-030
  • Compatible with 36V and 48V configurations
  • Connects across the entire battery pack, not just a single battery
  • Dual 12V outputs: constant and switched

How it helps in practice

Connecting across the full pack helps distribute load more evenly, potentially reducing stress on individual cells and offering a clean source for multiple devices. This setup can be useful when you want to power a few essentials without a separate supply.

  • Power navigation aids, radios, lights, USB chargers, and cooling fans with a single, reliable 12V feed
  • Keep multiple devices running without swapping batteries or adding extra adapters

Durability and installation

The 13-030 is built with a powder-coated aluminum housing designed to resist weather, vibration, and road grime. Its integration across the battery pack simplifies wiring by reducing the number of separate connections to manage.

FAQ

Q: What vehicles is the MADJAX Reliance 13-030 compatible with?

A: Designed for 36V and 48V golf carts; it provides a robust 12V supply across the full battery pack.

Q: What are the key benefits of the 12V @ 30A output?

A: Delivers up to 360W for accessories, with both constant and switched outputs for flexible use.