Mastervolt ChargeMaster Plus 12/50-3 Battery Charger

The Mastervolt ChargeMaster Plus 12/50-3 Battery Charger is a three-stage intelligent charging system engineered for fast, complete battery charging in field and fixed-location environments worldwide. Rated for 50-ampere output at 12-volt input, this unit delivers genuine multi-stage charging that extends battery lifespan while ensuring reliable power recovery for tactical, maritime, recreational, and industrial applications.

The 12/50-3 employs Mastervolt's proprietary three-step charging algorithm to optimize battery state during bulk charge, absorption, and float phases. This method prevents overcharging and thermal stress—critical considerations for field batteries subject to repeated discharge cycles. The charger integrates MasterBus network compatibility via single-cable connection, enabling remote monitoring and coordinated charging in multi-battery systems typical of forward operating bases, mobile command vehicles, and off-grid installations. Compact dimensions (12 x 6 x 15 inches) and 9.2-pound weight allow portable deployment without sacrificing thermal management or connector durability.

This charger serves operators, expeditionary teams, maritime personnel, and organizations requiring dependable battery maintenance across varied climates and power infrastructures. Units deployed in salt-air, high-humidity, and high-temperature environments benefit from the multi-stage approach, which reduces corrosion-inducing overcharging and maintains optimal charge state between operational cycles. The 50-ampere capacity accommodates larger auxiliary battery banks found in tactical vehicles, command posts, and expedition support equipment.

Mastervolt charging systems are recognized in maritime and heavy-duty industrial sectors for reliability under continuous duty. The ChargeMaster Plus line represents the company's approach to charging infrastructure for users who operate equipment beyond standard residential or light-commercial power grids.