Battery Tender Low Maintenance Car Battery Charger

Last updated: May 31, 2023

Designed to fully charge a car battery without damaging it the way trickle chargers can. It works as fast as (or faster than) 3-amp chargers. The quick-connect harness and 6-foot power cord make it easy to use.

Battery Tender Low Maintenance Car Battery Charger

We looked at the top Car Battery Chargers and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Car Battery Charger you should buy.

Product Details

Key Takeaway: Fully charge your car battery fast with this car battery charger.

In our analysis of 143 expert reviews, the Battery Tender Low Maintenance Car Battery Charger placed 14th when we looked at the top 19 products in the category. For the full ranking, see below.

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)

Our Expert Consultant

Vicki Liston 
Home Improvement Expert

Vicki Liston writes, produces, and narrates “On The Fly…DIY,” an award-winning home improvement and DIY show of unique project tutorials for the casual DIY’er.

Home improvement and all things DIY have been Liston’s passion since she bought her first house in 2007 and she started making video blogs in 2014. She’s performed hundreds of DIY projects, from small ones to major, wall-smashing renovations and can teach you how to make a trendy DIY barn door for cheap. The proceeds earned from “On The Fly…DIY” are donated to no-kill animal shelters and rescue organizations.

Expert Reviews

What reviewers liked

This is a spark-proof battery, and it’s ideal for cars and other automobiles – such as motorcycles or scooters.
The built-in microprocessor gives you set and forget capability unsurpassed in the marketplace.
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.
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.
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.
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.
Battery Tender features reverse polarity protection so as to ensure safety while using
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.
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.
Responsive to change in temperature means it can be used the same in hot and cold places.
Reliable charging for a variety of battery types
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.
It comes with advanced technology meant specifically for modern sealed lead acid batteries.
Spark Proof connectors
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.

What reviewers didn't like

Charging larger batteries, it takes a while
The bottom does not have rubber stand-offs or feet
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.
It is Slightly Difficult to Use on a Dead Battery
Shorter cord (6’) can make charging awkward
Indicator lights difficult to see in bright light
Gets quite hot during use
Cannot charge dead batteries
Will take a long time to charge a dead battery
View our Car Battery Charger buying guide for in-depth advice and recommendations.

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