Balmar Max Charge MC-624

Balmar MC-624 Max Charge Regulator – 24V Multi-Stage External Alternator Regulator

The MC-624 Max Charge Regulator is a professional-grade external alternator regulator designed for 24V marine charging systems requiring precise multi-stage battery management. Built for externally regulated P-type alternators, the MC-624 delivers advanced charging control with programmable battery profiles, temperature-based protection and intelligent field management to maximise charging performance and system safety.

Using microprocessor-controlled regulation, the MC-624 automatically adjusts alternator output through bulk, absorption and float charging stages, optimising charge rates for AGM, gel, flooded and spiral-wound batteries while reducing alternator stress and belt load. (fisheriessupply.com)

Key Features:
• Multi-stage smart charging for 24V alternator systems
• Microprocessor-controlled voltage regulation
• Adjustable Belt Load Manager for engine protection
• Programmable battery profiles including AGM, gel and flooded
• LED alphanumeric display for setup and diagnostics
• Start delay function to reduce engine load during startup
• Compatible with twin-engine charging using Centerfielder II (Balmar)

Technical Specifications:
System Voltage: 24V
Alternator Compatibility: Externally regulated P-type alternators
Max Field Output: up to 10A (optional 15A versions available)
Charging Stages: Delay, Bulk, Absorption, Float with calculated control
Display: LED alphanumeric programming interface
Harness: Optional 54" wiring harness available
Dimensions: approx. 4.8" × 3.2" × 1.5" (Balmar)

Advanced Charging Control:
The MC-624 monitors battery voltage and can integrate optional battery and alternator temperature sensors to dynamically reduce or stop charging if unsafe thermal conditions are detected. Adjustable programming modes allow fine tuning of charge behaviour to suit different battery chemistries and onboard loads. (fisheriessupply.com)

System Integration:
Designed for high-output marine alternators, the MC-624 can operate in dual-alternator or twin-engine configurations when paired with the Centerfielder II charge balancer, allowing coordinated charging to a single house battery bank. (Balmar)

Ideal For:
24V marine charging systems, large house battery banks, cruising yachts, commercial vessels and externally regulated alternator upgrades requiring advanced multi-stage charging control.

The MC-624 Max Charge Regulator provides precise alternator regulation, programmable charging profiles and advanced protection features — making it a reliable solution for modern high-capacity marine electrical systems.