PowerMax PM3-65-MBALK Main Board Assembly 65 Amp RV Power Center Converter Replacement

The PowerMax PM3-65-MBALK is a 65-amp replacement main board assembly (MBA) designed for use with the PM3-12V LK-Series power distribution center. This lower-tray converter section converts 110V AC shore power to clean 12V DC power, enabling both battery charging and direct powering of 12V onboard equipment.

Engineered as a drop-in replacement for WFCO 8900 Series MBA converters and other compatible lower-tray power center units, this board slots directly into existing RV power distribution enclosures for a straightforward upgrade or swap-out. The converter section is sold separately; this listing includes the main board assembly only.

Key Features:

• 65-Amp Output – High-capacity converter section for larger RV electrical loads
• 3-Stage Smart Charging – Automatic bulk, absorption, and float charging modes for optimal battery health
• Adjustable Power Supply Mode – Fully adjustable DC output to suit varying load and battery requirements
• Lithium Compatible – Compatible with lithium (LiFePO4) batteries when operated in Fixed output mode; recommended by leading lithium battery manufacturers
• All Battery Types Supported – Works with Lithium, Lead-Acid, AGM, and Gel batteries
• WFCO 8900 MBA Replacement – Exact form-factor replacement for WFCO 8900 Series lower-tray main board assemblies and other compatible brands
• Clean DC Output – Low-ripple output protects sensitive electronics
• Wide Amperage Range – Part of the PM3 MBA Series, available in 35, 45, 55, 60, and 75-amp models

Ideal for RV, marine, automotive, and car audio applications where a reliable 12V power conversion and battery charging solution is required. The PM3-65-MBALK is engineered for easy installation into any compatible lower-tray power distribution center enclosure.