Power Up Your Marine Adventures with the Battery Tender® Junior 800

The Battery Tender® Junior 800 is your ultimate companion for ensuring your marine batteries are always ready for action. Whether you’re setting sail or powering up your marine equipment, this 12V, 800mA charger is designed to maintain and extend the life of both lead-acid and lithium batteries. Perfectly versatile, it switches effortlessly between charging AGM, lead-acid, GEL, flooded, and lithium (LifePO4) batteries, making it indispensable for any marine application.

Engineered for Efficiency and Ease

Unlike typical trickle chargers that risk overcharging and damaging your battery, the Junior 800 ensures a full charge before switching to float mode. This advanced feature keeps your battery at an optimal level without the risk of overcharging. Compact and user-friendly, it includes a 12-foot output cord and accessories for reaching difficult spots, making it ideal for any marine setup.

Key Features at a Glance

• 12V, 800mA Selectable Charger: Adaptable for lithium (LifePO4) and lead-acid batteries.
• Advanced Charging Mode: Provides a full charge then shifts to float mode for optimal battery maintenance.
• Durable Accessories: Includes fused ring terminal and alligator clip cables for versatile connections.
• LED Status Light: Easily monitor your battery status at a glance.
• Extended Reach: 12-foot output cord ensures flexible installation.
• Robust Warranty: Backed by a 5-year warranty and lifetime customer support.

Built for Marine Reliability

Technical Specifications

• Output: 12V @ 800mA
• Battery Compatibility: Lithium (LifePO4), Lead-Acid, AGM, and GEL
• Dimensions: 4 x 2 x 1.37 inches
• Weight: 1 lb (charger only)
• Cable Reach: 12-foot output cord, 18-inch alligator clip, or ring terminal cables

Compact Yet Mighty

Product Dimensions

With a sleek design measuring just 4 x 2 x 1.37 inches and weighing only 1 lb, the Junior 800 is designed to fit seamlessly into your marine setup without taking up unnecessary space.

Flexible Finishes for Every Need

Included Accessories

• Fused Ring Terminal Cable: Perfect for hard-to-reach batteries.
• Fused Alligator Clip Cable: Provides an alternate, flexible connection option.

Ready When You Are

The Battery Tender® Junior 800 ensures your marine batteries are always fully charged and ready to perform. Say goodbye to the hassles of battery maintenance and hello to smooth, worry-free marine adventures. Trust in a charger that’s as reliable as your passion for the sea.