Battery Tender Car Battery Charger

Last updated date: November 23, 2019

DWYM Score

9.2

Why Trust The DWYM Score?

DWYM is your trusted product review source. Along with our in-house experts, our team analyzes thousands of product reviews from the most trusted websites. We then create one easy-to-understand score. Learn more.

We looked at the top 1 Car Battery Chargers and dug through the reviews from 15 of the most popular review sites including Byways, Geartec Online, Pro Car Reviews, iPerfect List, Car Outfitter, Top Ten Product Review, Review Fantasy, RV Expertise, Battery Focus, Car Battery Chargers Central, Mostcraft, OBD Advisor, Paul's Gigantic Garage, Profishing Gear Reviews and more. Through this analysis, we've determined the best Car Battery Charger you should buy.

Overall Take

In our analysis of 155 expert reviews, the Battery Tender Battery Tender Car Battery Charger placed 5th when we looked at the top 10 products in the category. For the full ranking, see below.

Editor's Note November 19, 2019:
Checkout The Best Car Battery Charger for a detailed review of all the top car battery chargers.

Check Price

Expert Summarized Score

9.3

15 expert reviews

User Summarized Score

9.1

5,649 user reviews

Our Favorite Video Reviews

What experts liked

This is a spark-proof battery, and it’s ideal for cars and other automobiles – such as motorcycles or scooters.

- Byways

The built-in microprocessor gives you set and forget capability unsurpassed in the marketplace.

- Geartec Online

One intuitive feature of this battery maintainer is the fact that it is temperature compensated. This means no matter the temperate, it will automatically adjust to ensure that the battery is charging to the correct voltage. Once the battery reaches its full charge, it will automatically switch to a float mode to keep the battery topped up.

- Pro Car Reviews

A 6-ft power cord is long enough to let you connect to your cell in a good distance from the outlet. An advantage is reverse polarity protection that guarantees safety as the red and green indicators alternately blink during this process.

- iPerfect List

This car battery charger is fully automatic and will save you time and effort. It is designed to fully charge your battery and then maintain it at a proper storage voltage without damaging it as a trickle charger could.

- Car Outfitter

Another handy feature is that LED indicator instructions appear on the unit. How thoughtful! This information is very helpful. Yet you don't have to dig for the manual.

- Best Advisor

Battery Tender features reverse polarity protection so as to ensure safety while using

- Top Ten Product Review

The charger is designed to fully charge a battery and continue it at proper storage voltage without the harmful effects caused by trickle chargers. Temperature compensated to make sure finest charge voltage rendering to ambient temperature.

- Review Fantasy

April 6, 2018 | Full review

It can quickly charge up a battery and also keep it at the optimum voltage without causing any of the damage trickle chargers are usually known for.

- RV Expertise

Responsive to change in temperature means it can be used the same in hot and cold places.

- Battery Focus

Reliable charging for a variety of battery types

- Car Battery Chargers Central

May 1, 2013 | Full review

The tender comes with reverse-polarity protection to help keep you safe. This 1.25-amp charger was created to completely charge your vehicle’s battery and keep it at the right storage voltage. It does this without the damaging impacts that trickle chargers can cause.

- Mostcraft

It comes with advanced technology meant specifically for modern sealed lead acid batteries.

- OBD Advisor

Spark Proof connectors

- Paul's Gigantic Garage

May 24, 2017 | Full review

It is very portable, being sized for a desktop and while it will take a long time to charge a battery when it’s completely dead, it is great for keeping your boat batteries topped up safety with its automatic change to float/maintenance mode when it detects a full charge.

- Profishing Gear Reviews

What experts didn't like

Charging larger batteries, it takes a while

- iPerfect List

The bottom does not have rubber stand-offs or feet

- Car Outfitter

This unit is not waterproof due the vents on top, so I put it up on a piece of wood to keep it off the floor, and shielded it with an inverted bucket in case it rains.

- Best Advisor

It is Slightly Difficult to Use on a Dead Battery

- RV Expertise

Shorter cord (6’) can make charging awkward

- Battery Focus

Indicator lights difficult to see in bright light

- Car Battery Chargers Central

May 1, 2013 | Full review

Gets quite hot during use

- OBD Advisor

Cannot charge dead batteries

- Paul's Gigantic Garage

May 24, 2017 | Full review

Will take a long time to charge a dead battery

- Profishing Gear Reviews

From The Manufacturer

Battery Tender Plus 12V - 1.25A. The Battery Tender Plus is a 1.25-amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. Included is a quick connect harness for hard to reach areas. Temperature compensated to ensure optimum charge voltage according to ambient temperature. Automatically switches from full charge to float charging mode. Battery Tender at 1.25-amp will charge as fast or faster than any 3-amp charger available. Reverse Polarity Protection to ensure user safety. Red & Green Lights Alternately Flash in this condition. Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode). 10 year warranty. Perfect for all lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell)

Overall Product Rankings

1. Clore Automotive Jump Starter

Overall Score: 10.2

Expert Reviews: 16

2. GOOLOO Portable Battery Charger and Jump Starter

Overall Score: 9.7

Expert Reviews: 10

3. DBPOWER Portable Battery Charger and Jump Starter

Overall Score: 9.5

Expert Reviews: 17

4. NOCO Portable Car Battery Jump Starter Pack

Overall Score: 9.2

Expert Reviews: 15

5. Battery Tender Car Battery Charger

Overall Score: 9.2

Expert Reviews: 15

6. GOOLOO Quick Car Jump Starter and Charger

Overall Score: 9.1

Expert Reviews: 4

7. NOCO Car Battery Charger and Maintainer

Overall Score: 9.1

Expert Reviews: 15

8. BLACK+DECKER Battery Charger and Maintainer

Overall Score: 8.6

Expert Reviews: 18

9. STANLEY Car Power Station Jump Starter

Overall Score: 8.3

Expert Reviews: 14

10. MOTOPOWER Car Battery Charger and Maintainer

Overall Score: 8.0

Expert Reviews: 16

An Overview On Car Battery Chargers

DYWM Fun Fact

The Car Battery Charger Buying Guide