Overview
The Battery Tender 5 Amp 12V Battery Charger is a reliable, fully automatic charger designed to keep your vehicle batteries healthy and ready for use. With 4-stage smart charging, Qualification, Bulk, Absorption, and Float, it ensures your battery receives a complete charge before maintaining optimal voltage levels without overcharging. Compact and lightweight, it fits easily in tight spaces and is perfect for cars, SUVs, trucks, and powersports vehicles.
Built with safety in mind, the charger features spark-proof connections, reverse polarity detection, and a solid-state LED display to monitor charging status. Its adaptive ISM technology resumes full charging power if the battery voltage drops, providing consistent battery maintenance. Approved by UL, CSA, CE, and BC, it’s a trusted solution for long-term battery care.
Key Features:
- Output Voltage: 12 Volts DC – Compatible with most automotive batteries.
- Charging Current: 5 Amps – Provides fast yet safe charging.
- 4-Stage Charging: Qualification, Bulk, Absorption, and Float for optimal battery life.
- Safety Features: Spark-proof connection, reverse polarity detection, and automatic voltage monitoring.
- LED Indicator: Two-color LED shows charging status and float mode.
- Cord Length: 11 feet combined (6 ft AC cord + 5 ft DC output) for easy reach.
- Battery Compatibility: Lead Acid, AGM, Gel, and Lithium batteries.
- Dimensions: 1.87"D x 3.86"W x 8.3"H – Compact for easy storage.
- Weight: 1.75 lbs – Lightweight and portable.
- Certifications: UL, CSA, CE, BC approved.
- Warranty: 5-year manufacturer warranty with lifetime customer service.
Ideal For:
- Maintaining automotive batteries during long-term storage.
- Charging and maintaining cars, SUVs, trucks, and powersports vehicles.
- Protecting AGM, gel, lead-acid, and lithium batteries.
- Preventing battery sulfation and extending battery life.
- Vehicle owners who want a “connect-and-forget” charging solution.
What's in the Box:
- Battery Tender 5 Amp 12V Battery Charger ×1
- Ring Terminal & Alligator Clip Combo Cable ×1
- Instruction Manual ×1
- Manufacturer Warranty Card ×1
FAQs
Is this charger compatible with my car battery?
Yes, it works with all 12V lead-acid, AGM, gel, and lithium batteries commonly used in cars, SUVs, and trucks.
Can I leave the charger connected long-term?
Yes, the charger automatically switches to float mode once the battery is fully charged, making it safe for long-term connection.
Does it prevent overcharging?
Absolutely. The 4-stage charging system prevents overcharging and maintains optimal battery voltage.
Can I use it outdoors?
It's designed for indoor use or protected areas. Avoid exposure to rain or extreme weather.
What safety features are included?
The charger is spark-proof, has reverse polarity detection, and features LED indicators to monitor charging status.
How long does it take to fully charge a car battery?
Charging time depends on battery size and condition. Most standard car batteries reach full charge in several hours using the 5A output.
Is professional installation required?
No, it's plug-and-play with included alligator clips and ring terminals. However, read the manual for proper installation.
Does it work with deep cycle batteries?
Yes, it can charge and maintain automotive, marine, powersports, and deep cycle lead-acid batteries.
What happens if the battery voltage drops while charging?
The ISM adaptive charging feature resumes full charging power automatically to ensure consistent maintenance.
What warranty does it come with?
It includes a 5-year manufacturer warranty along with lifetime customer support.
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