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021-0123 - Battery Tender® Jr. 12V - 750mA w/Ring Terminals & Clips

Original Price $44.95
Current Price $34.95
SKU 021-0123

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Battery Tender® Jr. 12V - 750mA w/Ring Terminals & Clips
Model 021-0123

Boost your ride’s battery life with the Battery Tender® Junior automatic battery charger for motorcycles, dirt bikes, ATVs, UTVs, lawnmowers, and more! 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.

The lightweight charger comes with a 12-foot output cord, fused alligator clips, and a fused ring terminal harness for hard-to-reach spaces. With the included Quick Disconnect Cables, you can connect and disconnect the charger in seconds. 

The Battery Tender® Junior 12V, 750mA battery charger and maintainer is all you need to stay charged and extend your powersport vehicle's battery life. It's easy to use, safe and secure. 


• 12V, 750mA battery charger and maintainer with LED status light to show battery status
• Fused ring terminal accessory cable for hard to reach batteries
• Fused alligator clip accessory cable for an alternate connection 
• 5-year warranty and lifetime customer support


• Output: 12V @ 750mA
• Input: 120V, 60Hz
• 5 Year Warranty
• Certifications: UL/CSA, FCC, BC
• Compatibility: lead-acid, AGM, and gel batteries
• Dimensions: 3.3 x 1.3 x 2.4 inches, 1 lb (charger only)
• Reach: 12’ output cord and 18” alligator clip cable or 18” ring terminal cable



Smart charger technology assures the correct level of power is sent to the battery at all times.

• Initialization determines if the battery is connected correctly and battery’s charge level, composition
• Bulk Charge brings the charge up with full charge and constant current 
• Absorption Mode slows the charging down until the battery reaches full charge
• Float/Maintenance Mode keeps the battery charged without overcharging or discharging 


Battery Tender® battery chargers and maintainers are manufactured with built-in safety features like: 

• Spark proof connections (ring terminals and alligator clips) will not spark when touched together, the charger will not produce output voltage until it senses at least 3 volts from the battery 
• Reverse polarity protection ensures the charger will not charge unless the battery clips are properly connected.

Downloadable Manual

Model 021-0123 Manual (PDF)

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