Factory-matched Balmar charging packages eliminate guesswork and save time by pairing high-output alternators and smart voltage regulators with engine type. Packages feature dual internally fanned 6-Series alternators, combined with multi-stage Mac Charge 614 Digital or ARS-5 microprocessor controlled voltage regulators and MC-TS-A and MC-TS-B temperature sensor cables for alternator and battery. Yanmar-ready 60-YP packages, available in 70-amp (for engines with 3/8" single belt) and 100-amp (for engines with single 1/2" belt) feature Hitachi-style 3.15"ID saddle mount. 621-VUP packages are ideal for Volvo, Universal, Westerbeke and other engines with 1" or 2" single-foot alternator mounts. All 6-Series alternators feature isolated ground terminals and Smart Ready internal back up regulation. Alternators meet USCG Title 33, ISO 8846 and SAE J1171 standards for ignition protection and can be used on gas or diesel engines.