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Mastervolt

Mastervolt makes lithium batteries, battery chargers, inverters and inverter/chargers for marine, mobile, industrial and off-grid use.

mastervolt.com

Last updated: 26 October 2026

The company

Who owns the brand
Navico Group, a division of Brunswick Corporation

“Mastervolt is part of Navico Group, a division of Brunswick Corporation's (NYSE: BC)”

Source: navico.com/news/mastervolt-delivers-seamless-power-with-new-120-vac-combimaster-inverter-charger-models

Battery and charging

Chemistry
Lithium-iron phosphate (LiFePO4)

“As safety is our primary concern, Mastervolt chooses to use only the safest available Lithium Ion chemistry, Lithium-iron phosphate (LiFePO4).”

Source: hwhelectronics.com/pdf/MasterVolt.pdf

Battery water resistance
IP65 (electronics cabinet)

“Protection degree IP65 (electronics cabinet)”

Source: chmarine.com/content/Mastervolt/MV66015000_User Manual.pdf

Variants offered
CombiMaster 12V/2000W-100A 120V

“CombiMaster 12V/2000W-100A 120V 35512000 CombiMaster 12V/3000W-160A 120V 35513000 CombiMaster 24V/2000W-60A 120V 35522000 CombiMaster 24V/3000W-70A 120V 35523000”

Source: manuals.plus/m/00948bea610633a1e627fddb4efcb85200dd5c9abe8c20c39fbb201add4d785b_optim.pdf

Battery types supported by the charger
Flooded (default) / AGM / Gel / MLI / Constant voltage / User defined

“Battery types Flooded (default) / AGM / Gel / MLI / Constant voltage / User defined”

Source: manuals.plus/m/00948bea610633a1e627fddb4efcb85200dd5c9abe8c20c39fbb201add4d785b_optim.pdf

Battery care and safety

What the battery management system guards against
The MLI Ultra battery is equipped with an integrated Battery Management System (BMS) with active cell balancing and communication through MasterBus.

“The MLI Ultra battery is equipped with an integrated Battery Management System (BMS) with active cell balancing and communication through MasterBus.”

Source: hwhelectronics.com/pdf/MasterVolt.pdf

Buying and owning it

What it is said to be best for
marine, mobile, off shore, industrial, autonomous solar and infrastructure

“demanding markets such as marine, mobile, off shore, industrial, autonomous solar and infrastructure”

Source: navico.com/news/mastervolt-delivers-seamless-power-with-new-120-vac-combimaster-inverter-charger-models

Batteries we hold

We hold 16; 6 have a published page.

Chargers we hold

We hold 14; 11 have a published page.

Trolling motors & devices

We hold 28; 21 have a published page.