Ignitions and Electrical› Charging Systems

MASTERVOLT

MASTERVOLT MAC PLUS DC/DC CONVERTER

$736.24

SKU: M06H 81203205

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Mastervolt Mac Plus 12/48-15 is a DC-DC converter/charger designed to boost service batteries, compatible with various battery chemistries (flooded, Gel, AGM, and Li-Ion). It features bi-directional technology, a 3-step+ charge algorithm, engine run detection, and a robust, fanless aluminum housing. The device supports parallel configuration for increased current and offers advanced monitoring and control via MasterBus, CZone®, and NMEA 2000®.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMASTERVOLT
Part NumberM06H 81203205

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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