High output marine alternators offer the biggest bang-for-buck when upgrading your charging system.

Alternators represent the most cost-effective charging solution for lead-acid and lithium battery banks. 

Balmar is the leading marine alternator manufacturer with a wide range of products that satisfy most engine charging applications. Download the Balmar 2022 Catalogue.

Marine Alternators

  • Balmar Small Case Alternators
  • Balmar AT & XT Series Alternators
  • Delstar HD Brushless Work Alternators

Serpentine Pulley Kits

Alternator Regulators

Charge 48-volt lithium house batteries from the vessel or RV main engine.

  • Two versions with 4.8 KW and 2.9 KW output
  • Suits all types of Lithium battery systems
  • Fully controlled by Victron Venus or Ve.Bus BMS

High output alternators to suit most original OEM mounting locations.

  • 170 - 200 amp 12 volt ratings
  • Dual fan cooling, High efficiency
  • Ideal for large Lithium battery banks

Small case alternators suit most original OEM mounting locations.

  • Ideal for most charging upgrades
  • Internal regulator with external regulator option
  • Available in 12/24 volt in 70 to 120 amp output

Heavy duty alternators - 160 to 210A

  • Bidirectional cooling fan
  • Heavy duty bearings and diodes
  • Large case size for improved performance

Heavy duty alternators - 160 to 310A

  • Capable of continuous high power operation
  • Brushless and dual fan models
  • Deliver up to 5kW - on par with small generators

Integrated DC Charging Solutions for Mercedes Sprinter RVs

  • Dedicated 2nd Alternator Charging System
  • 170A in a Small Case Package, Up to 110A at Idle

Small in size, the light duty 6-Series alternator has mounting configurations to suit almost any engine. Built into the small case 6-Series alternator is a patented single stage Smart Ready internal regulator that’s always ready as a primary regulator, or as a back up in the unlikely event that your external regulator fails.

  • Saddle and single foot mounts.
  • Alternators meet USCG Title 33, ISO J1171, SAE 8846 and international CE standards for ignition protection in gas or diesel engines.
  • Isolated ground.
  • D+ lamp circuit.
  • 12,000 max RPM.
  • 1-year limited warranty. ShWt. 7 KG

Two-inch single foot 94-Series alternators feature oversized bearings and extra high amperage diodes to ensure superior cooling and longer life. Custom stators, integrating larger gauge copper windings deliver outstanding low-end output and impressive performance across the powerband.

  • Bi-directional cooling fan.
  • Isolated ground terminal.
  • Maximum 6,500 RPM.
  • Corrosion-resistant powdercoat.
  • Meets USCG Title 33 standards for ignition protection.
  • 1-year limited warranty. ShWt. 10KG

Designed to be compatible with Yanmar’s 6LY3 engine and other engines using a Hitachi-style saddle mount and dual vee belts, 94LY alternators feature custom wound stators, extra heavy diodes ad a clocked case which provides improved access to all terminal connections.

  • Bi-directional cooling fan.
  • Isolated ground terminal.
  • Maximum 6,500 RPM.
  • Corrosion-resistant powdercoat.
  • Meets USCG Title 33 standards for ignition protection.
  • 1-year limited warranty.
  • ShWt. 10KG

Moderately compact for its generous output curves, the 95-Series features an extra heavy duty stator winding with large gauge wire for added output at low RPM. Combine that with extra large sealed bearings, a massive .875” pulley shaft and high amperage diodes for durability and long alternator life. The 95-Series alternator features an isolated ground for sure continuity to system ground, and a brawny J-180 style saddle mount for plenty of resistance to twist and torque.

  • Isolated Ground Terminal
  • Bidirectional cooling fan.
  • 6,500 RPM maximum rotation speed.
  • Corrosion-resistant powdercoat finish.
  • Meets US Coast Guard Title 33 safety standards.
  • Requires external regulation.
  • 1-year limited warranty.
  • ShWt. 10 KG

Built expressly for the demands of large, multi-battery house banks, inverter loads and other above-average electrical demands, extra-large case 97-Series alternators are scaled to deliver impressive output at all engine RPMs. 97-Series alternators are rated at 160 amps at 12 volt, or 110 to 140 amps at 24 volts. Brushless 97-Series models meet US Coast Guard Title 33, CE, ISO J1171 and SAE 8846 safety standards.

  • Isolated Ground Terminal
  • Bidirectional cooling fan.
  • Corrosion-resistant powdercoat finish.
  • 6,500 RPM maximum rotation speed.
  • J180 Mount Brushless Design
  • Maximum RPM: 6,500.
  • ShWt. 18 KG

With even more mass and rated output, 97EHDSeries alternators are designed to support substantial battery and service loads demanded by larger recreational, commercial, or military vessels. 97 EHD-Series alternators are available in 185 and 265-amp models in 12 volts, and 190 amps at 24 volts.

  • Cast aluminum finish.
  • Case ground.
  • All models require external regulation.
  • J-180 mount.
  • 1-year limited warranty.
  • ShWt. 20 KG.

Balmar 98 Series AlternatorAvailable in 310A/12V and 220A/24V models, the 98-Series alternator adds dual fans for enhanced cooling, high amperage diodes for efficient voltage rectification, over-sized shaft and pulley bearings for smoother, quieter operation, and brushless excitation for longer wear, reduced electrical noise and greater ignition protection.

  • Isolated Ground Terminal
  • Brushless design
  • D+ Lamp Circuit
  • External Regulation
  • Maximum RPM: 6,500
  • Meets USCG Title 33, CE, SAE 8846 and ISO J-1171 standards for ignition protection.
  • Durable powdercoat finish.
  • 1-year limited warranty.
  • ShWt 21 KG.