Battery Tender 545W Automatic Solar Charge Controller

The Battery Tender 021-1162 regulates a compatible 545W solar panel for charging a 12V battery. This is a solar charge controller, not a solar panel. It supports up to 3A DC output and 32V DC maximum input; verify panel and battery compatibility before installation.

Key Features

• State of charge LED indicator.

Fitment

Specifications

What’s Included

One new Battery Tender product identified by manufacturer part number 021-1162. Leads, clamps, adapters, mounting hardware, chargers, batteries, and storage cases are included only when expressly stated for this exact part number.

About Battery Tender

Battery Tender develops automatic battery chargers, maintainers, multi-bank systems, solar charging products, jump starters, testers, and connection accessories for automotive and related battery applications.

Related Battery Tender Products

• Battery Tender 12V 35Watt Mountable Solar Battery Charger
• Battery Tender 12.5 FT Adapter Extension Cable
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Browse the Battery Tender collection for compatible chargers, maintainers, cables, testers, and portable power products.

Frequently Asked Questions

Which Battery Tender products work with this accessory?
Match the exact connector, polarity, voltage, current limit, cable style, and Battery Tender system generation. Similar-looking plugs are not proof of compatibility.

Can this accessory be left installed on the vehicle?
Only when the manufacturer permits it and the lead is fused, protected from heat and moving parts, secured against abrasion, and kept away from short-circuit hazards.

What should be inspected before each use?
Check terminals, insulation, connectors, strain relief, fuse protection, polarity, corrosion, moisture exposure, and secure cable routing. Replace damaged parts before connecting power.

Installation Instructions

Read the current Battery Tender instructions and the battery or vehicle safety information before use. Confirm voltage, chemistry, capacity, polarity, connector, fuse protection, output, ventilation, environmental rating, and cable routing. Connect and disconnect in the specified order, keep ignition sources away from batteries, and stop if the battery or equipment shows damage, excessive heat, leakage, swelling, or abnormal operation.