Balmar Alternator Kit 170 Amp 12V Single Foot with J10 Pulley, Regulator & Temp Sensor – XT-SF-170-J10-KIT

The Balmar Alternator Kit – 170 Amp, 12 Volt (XT-SF-170-J10-KIT) is a complete, high-output marine charging system designed for boats with advanced electrical demands and large house battery banks. Featuring a 1–2” single-foot mount, J10 serpentine pulley, external smart voltage regulator, and temperature sensors, this kit delivers intelligent, efficient, and reliable charging performance for cruising, offshore, and performance vessels.

Built for continuous-duty marine operation, the 170-amp alternator delivers strong charging output at cruising RPMs, ensuring reliable power for inverters, refrigeration, navigation electronics, lighting, and other onboard systems. The single-foot mounting configuration provides broad engine compatibility while maintaining a compact installation footprint.

The J10 serpentine pulley offers increased belt contact area for maximum torque transfer, reduced slippage, and improved durability—ideal for high-output alternator applications. The included smart external regulator enables advanced multi-stage charging, optimizing performance and extending battery life for AGM, gel, and lithium battery systems (with proper configuration). Alternator and battery temperature sensors protect the system by automatically adjusting output to prevent overheating and overcharging.

Constructed with marine-grade, corrosion-resistant materials, Balmar alternators are trusted by professional installers and long-range cruisers worldwide for their durability, thermal efficiency, and reliable performance in harsh saltwater environments.

The Balmar Alternator 1–2” Single Foot J10 Serpentine Pulley Regulator & Temp Sensor – 170A Kit – 12V – XT-SF-170-J10-KIT is an ideal turnkey solution for boat owners seeking maximum charging power, intelligent regulation, and long-term Balmar reliability.