0A18010SRV Engine Battery Charger Assy For Generac Generator A1801 0A1801 4390-0

Engine Battery Charger Assembly for Generac

The engine battery charger assembly for Generac generators (replaces 0A18010SRV, A1801, 0A1801, 4390-0) keeps the starting battery charged for dependable generator operation.

Overview

The engine battery charger assembly is a key electrical component that maintains the battery in Generac standby and portable generators. It delivers a steady trickle charge, preventing the battery from draining during idle periods and ensuring the generator starts when needed. Designed as a direct replacement for several Generac models, this assembly restores reliable charging with factory-matched connections.

Built For Performance

• Regulated output prevents overcharging and extends battery life
• Weather-resistant sealed housing protects internal electronics in outdoor installations
• Plug-in wiring harness matches original connectors for quick installation
• Built-in overcharge and short-circuit protection safeguards the generator electrical system
• Consistent charging even during voltage fluctuations

Specs At A Glance

Good To Know

Q: Is this charger compatible with all Generac generators? A: It is designed for many Generac standby and portable generators that originally used these part numbers; check your generator's manual or existing charger part number to confirm fitment.

Q: How is the battery charger assembly installed? A: Installation typically involves disconnecting the battery, removing the old charger, plugging in the new harness, and securing the unit in its mounting location; a qualified technician should perform the work to avoid electrical issues.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.