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Battery Tender 3 AMP Battery Charger and Maintainer - Automotive Switchable 12V or 6V Smart Automatic for Cars SUVs and Trucks - Lead Acid, AGM, Gel, & Lithium Battery Charger - 022-0202-COS

Battery Tender 3 AMP Battery Charger and Maintainer - Automotive Switchable 12V or 6V Smart Automatic for Cars SUVs and Trucks - Lead Acid, AGM, Gel, & Lithium Battery Charger - 022-0202-COS

Q: How does Axtra 3.6-amp battery charger compare to Battery Tender 3-amp battery charger?

The Axtra acts as both a 6-volt and a 12-volt charger. However, it can also provide a constant 3-amp battery tender witch, when set, will provide a continuous charge over a long period of time. The 3-amp battery tender only provides a continuous charge but cannot provide a 6 or 12-volt charge. If you do not have a charger, I would recommend the Axtra as is it can provide both aspects.

Q: I'm using Axtra battery charger to maintain 2 batteries over the winter. Is this Battery Tender reliable as Axtra battery maintainer?

My experience with using the battery tender is nothing but good. Pretty much set it and forget it. No problems what so ever. Very easy to use, very well made, very reliable. I would for sure buy another one.

Q: Is this over rated for motorcycles

If the battery is rated less than 30 amp hrs, I would say yes. The rule of thumb is the maximum charge rate should not excede 1/10 of the battery's Amp hr rating. E.g. 20 amp hr battery should not be charged at over 2 amps

Q: Planning to connect black to black and red to red pigtail for car battery still inside car. Confused since not sure if that’s grounded. Pls confirm?

Yes, Red to Red (positive) and Black to Black (negative) is the correct connection. Why are you worried about ground on a 12 volt car battery?

Product ID: 21017525

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Details

Brand
Battery Tender
Color
Black
Product Dimensions
3.4"D x 11.1"W
Item Weight
1.4 Pounds
Output Voltage
12 Volts (DC)

⚡3 Amp smart charging power

🔋Switchable 6V/12V compatibility

🛡️Spark-proof & reverse polarity safe

Frequently Bought Together

Battery Tender 3 AMP Battery Charger and Maintainer - Automotive Switchable 12V or 6V Smart Automatic for Cars SUVs and Trucks - Lead Acid, AGM, Gel, & Lithium Battery Charger - 022-0202-COS

Battery Tender Ring Terminal Harness Accessory Cable - 18 inch Cord Adapter with SAE Quick Disconnect - Easy Quick Convenient for Motorcycles, Cars, ATVs and More - 081-0069-6

Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123

Description

🔌 Stay Powered, Stay Ahead — Never Miss a Drive!

SAFETY FIRST DESIGN - Spark-proof connection and reverse polarity detection ensure a secure, worry-free charging experience.
COMPACT CONVENIENT - Lightweight design with 11 feet of combined cord length fits perfectly in tight storage spaces.
SMART 3 AMP CHARGING - Delivers a full charge then switches to float mode to maintain battery health without overcharging.
INTUITIVE LED MONITORING - Two-color LED indicators keep you informed of charging status and automatically resume charging if voltage drops.
UNIVERSAL VOLTAGE FLEXIBILITY - Easily switch between 6V and 12V batteries for cars, SUVs, and trucks with a simple button press.

The Battery Tender 3 AMP Charger is a versatile, smart automatic battery maintainer compatible with 6V and 12V lead-acid, AGM, gel, and lithium batteries. It delivers efficient 3 amp charging with automatic float mode, features spark-proof and reverse polarity protection, and includes intuitive LED status indicators. Compact and lightweight with extended cord length, it’s designed for hassle-free, safe battery maintenance across cars, SUVs, and trucks.

Specifications

Manufacturer	Deltran
Brand	Battery Tender
Model	Deltran 022-0202-COS
Item Weight	1.44 pounds
Product Dimensions	3.4 x 11.1 x 9.4 inches
Item model number	022-0202-COS
Batteries	1 AAA batteries required.
Is Discontinued By Manufacturer	No
Exterior	Painted
Manufacturer Part Number	022-0202-COS
Amperage	3 Amps

Have a Question? See What Others Asked

How does Axtra 3.6-amp battery charger compare to Battery Tender 3-amp battery charger?

I'm using Axtra battery charger to maintain 2 batteries over the winter. Is this Battery Tender reliable as Axtra battery maintainer?

Is this over rated for motorcycles

Planning to connect black to black and red to red pigtail for car battery still inside car. Confused since not sure if that’s grounded. Pls confirm?

Common Questions

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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