ARS-5 Advanced Regulator from BALMAR
Simply select one of five preset program choices based on battery type, and the belt size setting that matches your alternator’s drive belt width and alternator output rating. Battery settings include standard and deep-cycle flooded, gel, AGM, and Optima programs. When used with MC-TS-A and MC-TS-B alternator and battery temperature sensors, the ARS-5 ensures even greater charging performance, as well as critical protection for your alternator and batteries. Controls a single alternator only.

Automatic Generator Starter (AGS) from XANTREX
AGS works in conjunction with the MS2000 Inverter/Charger, Xantrex System Control Panel and your generator to ensure your house batteries always remain charged. The AGS can start your generator based on battery voltage, state of battery charge, or thermostat level. Programmable quiet times ensure the AGS does not start your generator at inappropriate times. LEDs display AGS status. 3. 8"H x 5. 8"W x 1.

Off/1/All/2 Battery Switch, 380 Continuous Amps, 850 Intermittent Amps from PERKO
For high-amperage applications like diesel engine starters, large inverters and windlasses. Reinforced polycarbonate body, 1/2"dia. brass terminal connections and an alternator field disconnect. Alt. Field Disc. : Yes . Switch Material: Reinforced Polycarbonate. Terminal Material/Size: Brass 1/2"dia. . Switch Dimensions: 5-1/4"sq. x 3-3/8"H .

Dielectric Silicone Compound from ANCOR MARINE
A silicone "grease" that's great for waterproofing coax connections, butt splices, and other sliding electrical connections. 1/3-oz.

Contura Rocker Switch, SPDT On/Off/On from COLE HERSEE
Waterproof switches are rated to IP66 for use on ship decks and with an LED light to indicate when the circuit is on. Several configurations are available for almost any application. Recommended for replacements in waterproof electrical panels with rocker switches to ensure waterproof integrity. Includes both black and gray covers. Both switches and covers are interchangeable with similar switches used as original equipment on many common boat types. Mounting Hole Size: 1. 450" x 0.

Twisted Pair Wire with Shield from ANCOR MARINE
Similar to Ancor duplex wire, except that the conductors are twisted and surrounded by a copper shield for extra protection against noise and electrical interference. Red/black conductors. Recommended by ABYC for DC wiring near compasses and other magnetically - sensitive devices. Sold per foot. Wire Type: Twisted Pair . Construction: Tinned Copper . Conductors (Color and # of): 1 Red, 1 Black . Color of Exterior Insulation: White . Shielding: Copper Shield . Approvals: UL, ABYC, CSA .