The Mastervolt ChargeMaster Plus 24/60-3 Czone is a compact, all-in-one charging powerhouse designed for demanding marine and mobile applications. This advanced multicharger combines two outputs with an input/output stage, a DC-DC converter, current limiter and a built-in VSR to deliver fast, safe charging across multiple battery banks while you’re underway. It’s the ultimate upgrade for boats and vessels needing reliable power management from a single, easy-to-install unit.

Key advantages

• Three-battery outlets supported, with up to 60 A total charging to keep your batteries balanced and ready.
• Two outputs plus input/output configuration with a DC-DC converter and a current limiter, simplifying wiring and eliminating extra components.
• Battery chemistry versatility — compatible with Lithium Ion, Gel and AGM chemistries, designed to harmonize different banks in one charger.
• Charge while you travel — powerful on-board charging that keeps multiple batteries topped-up during underway operation.
• 3-step+ charging method for fast, safe, and battery-friendly charging, with optimized performance at 14.4 V and high-temperature resilience (80% charging power up to 60°C).
• Battery’s Best Friend architecture automatically adapts to a variety of sizes and voltages, ensuring peak performance across diverse setups.
• Global compatibility — operates with worldwide AC voltages (80-275 V, 35-70 Hz) and resists voltage fluctuations for reliable operation in challenging environments.
• Integrated communications — MasterBus, CZone and NMEA interfaces allow seamless integration with displays, shunts and power systems, plus support for FireCan and CANopen standards.
• Safety and longevity — State of Charge recognition helps extend battery life, while the built-in VSR reduces system complexity and protects alternator output.
• Marine-ready compliance — CE, ABYC, UL, SAE, ISO, CEC and RCM/C-Tick approvals ensure reliability in boat builds and mobile installations.

Designed for modern vessels

• Global electrical tolerance with a wide input range and robust performance in harsh environments.
• Compact, ergonomic design with robust, easy-to-connect terminals to save installation time.
• Suitable for systems with 200–500 Ah battery banks, delivering dependable charging power in a single, integrated package.

Specifications at a glance

• 24 V
• Max. charge current per output 60 A
• Smart In-/Output 12 V: 5–10 A; 24 V: 5–20 A (adjustable)
• Smart In-/Output input current max 20 A at 24 V
• Max AC current 230 V: 10.2 A; 120 V: 20.4 A (50/60 Hz)
• Total charge current 60 A at 28.8 V
• Number of battery outlets 3 (max.)
• Battery capacity range 200–500 Ah
• Nominal input voltage 120/230 V (80–275 V) 50/60 Hz
• Dimensions 15.1 x 9.8 x 5.0 in
• Weight 13.0 lb
• Approvals CE, ABYC, UL1236, SAE J1171, ISO 8846, CEC, RCM/C-Tick

With the ChargeMaster Plus, you get a forward-thinking, all-in-one charging solution that simplifies wiring, expands battery compatibility, and delivers reliable power management across diverse vessels and environments. It replaces multiple auxiliary chargers, battery isolators and VSRs, cutting installation time and system costs while delivering peace of mind wherever your adventures take you.