Powerline

Powerline makes heavy-duty alternators and battery isolators for marine, RV and commercial vehicles. eMarine carries Powerline Series 23 alternators in 100A, 120A and 150A with single-foot and dual-foot mounts, marine, Ford and Volvo-style mounts, nickel-plated and red powder-coated finishes; 100A and 120A alternator kits; Powerline battery isolators from 70A to 400A for one or two alternators and up to four batteries; regulators; pulleys for 23HD and 24HD series; and isolator rectifier assemblies.

How to choose Powerline products

• Alternator mount: match foot type and dimensions to your engine bracket.
• Output: 100A to 150A depending on loads and bank size.
• Isolators: size amps to alternator output and count batteries.
• Finish: nickel-plated units resist corrosion in marine engine rooms.

Do Powerline isolators work with Delco alternators?

Yes, several models are listed for Delco CS130 and other alternators. See battery isolators.

Where are other alternators?

See marine alternators.

What does positive ground mean?

Some vehicles and equipment use the positive terminal as ground. Powerline offers isolators specifically for positive-ground systems; check your electrical system before ordering.