Product Description

4 Amp Selectable Battery Charger is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.

The Battery Tender® 4 Amp Selectable is an automatic and easy to use battery charger that will keep your battery fully charged and ready to go when you are. Whether it is 6 or 12 volt AGM, Lead Acid or Lithium, the Battery Tender 4 Amp Selectable has the proper charge algorithm for charge and maintenance to ensure long term battery health

Key Features

• Selectable Battery Chemistry- has battery chemistry selection with proper charge algorithm for lead-acid, flooded or sealed maintenance free (AGM and gel cell), and Lithium batteries
• 6/12 volt selectable
• Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode)
• Automatically switches to float/maintenance voltage after fully charging the battery
• If the battery voltage drops too far under load, full charger output power resumes
• Solid state two color LED indicates stage of charger
• Spark proof reverse polarity protected
• Meets California and Oregon appliance energy efficiency standards for battery charging systems
• 5 year warranty

Product Specifications

• Part Number: 56-1120
• Brand: Battery Tender
• Weight: 3.24 lbs
• UPC: 734357220902

Available at Knobtown Cycle

Order online or stop by our Kansas City location. Kansas City riders since 2004!

Part Locations

Stock levels last updated: April 4, 2026 6:31 PM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.