Battery Tender 12V 1.25AMP Battery Charger Plus

This Battery Tender battery charger and maintainer is designed for the voltage, output, battery chemistry, connector, and use case identified for this exact model. Confirm every electrical requirement and included component before connecting it to a battery or vehicle.

Key Features

• Output: 12V @ 1.25 AMPs.
• Dimensions: 4.87 x 3.25 x 2.93 inches, 1.45 lbs (charger only).
• This 12V, 1.25 AMP battery charger extends battery life for motorcycles, dirt bikes, ATVs, UTVs, jet skis, lawnmowers, and more!
• 12V, 1.25 AMP battery charger with LED status light to show battery status.
• The iconic “Original” Battery Tender Plus made trickle chargers a thing of the past and paved the way for smart battery chargers.
• Unlike typical trickle chargers that can overcharge a battery and cause damage when connected for too long, our advanced charger and maintainer provides a full charge before switching to float mode to keep your battery at an optimal level.

Fitment

Specifications

What’s Included

One new Battery Tender product identified by manufacturer part number 021-0128. 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 6V 12V 1.25AMP Selectable Battery Charger
• Battery Tender 8V 1.25AMP Battery Charger Junior
• Battery Tender 12V 15/8/2 AMP Selectable Chemistry Battery Charger

Browse the Battery Tender collection for compatible chargers, maintainers, cables, testers, and portable power products.

Frequently Asked Questions

Can this charger stay connected during vehicle storage?
Use it only with a supported healthy battery and according to the current Battery Tender instructions. Automatic maintenance mode is designed for extended connection, but the installation and environment must remain safe and ventilated.

Which battery chemistry can this charger maintain?
Use only the chemistry modes expressly listed for this exact model. Lead-acid, AGM, lithium, and LiFePO4 charging requirements are not interchangeable.

Can this charger recover a completely dead battery?
A deeply discharged, frozen, damaged, or failed battery may not be accepted by an automatic charger. Test the battery and use only the recovery procedure the battery and charger manufacturers permit.

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.