10 Best Automatic Battery Chargers
for January 2023

Battery life is always a concern when it comes to electronic devices. With so much technology packed into today's smartphones and tablets, it's surprising how much power they need. And, with more and more devices being plugged in, it's even more important to always have a charged battery.

Automatic battery chargers, also known as trickle chargers, are handy for caring for batteries in devices, like smartphones, tablets and wearable technology. They automatically charge the battery when it's plugged in, so they're a great way to keep batteries charged while you're away.

In the Different Guide , we've tested hundreds of battery chargers over the years. Our consumer testers evaluate chargers for ease of use, safety, and charging speed, while our tech experts evaluate chargers for power requirements, safety, and energy efficiency. Our picks for the best automatic battery chargers of 2022 are based on our testing, as well as consumer and tech reviews. Here are the best automatic battery chargers of 2022:

Different Guide editors select recommendations independently. Purchases made through our links may earn us commissions.

1
9.6
SCORE
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and Battery Desulfator with Temperature Compensation

NOCO GENIUS1

by NOCO
What We like

This is a great battery charger. It has advanced features like temperature compensation. It charges any type of battery and can maintain any type of battery. The included temperature probe lets you monitor the temperature inside the battery.

2
9.6
SCORE
CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V

CTEK

by CTEK
What We like

No charger is easy to use or deliver precise charging, but all of the chargers we tried were questionable with temperature control. The CTEK MXS 5.0 is our preferred, and easy-to-understand, choice.

3
9.5
SCORE
Schumacher SP1297 Fully Automatic Battery Charger, Maintainer, and Auto Desulfator - 3 Amp, 12V - For Cars, Motorcycles, Lawn Tractors, Power Sports, Marine Batteries

Schumacher SP1297 Fully Automatic Battery Charger, Maintainer, and Auto Desulfator

by Schumacher
What We like

This Schumacher battery maintainer offers a lot of features to fit in your budget, and does a good job of charging and maintaining your battery. You pay a little extra for the three-year warranty, but it's worth it.

4
9.3
SCORE
2/8/15A 12V Smart Battery Charger/Maintainer Fully Automatic with Winter Mode

TowerTop 2/8/15A 12V Smart Battery Charger/Maintainer Fully Automatic with Winter Mode

by TowerTop
What We like

This battery charger has memory and maintains your battery at the full charge level. Smart battery rating, pre-selection of charging mode, microprocessor controlled.

5
8.7
SCORE
Clore Automotive PL2320 20-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, and Battery Desulfator with Temperature Compensation

Solar Clore Automotive PL2320 20-Amp Fully-Automatic Smart Charger

by SOLAR
What We like

A smart charger that safely maintains and charges your battery, marketers claim. However, its temperature compensation feature leaves something to be desired.

7
8.3
SCORE
10-Amp Car Battery Charger, 12V and 24V Smart Fully Automatic Battery Charger Maintainer Trickle Charger w/ Temperature Compensation for Car Truck Motorcycle Lawn Mower Boat Marine Lead Acid Batteries

NEXPEAK 10-Amp Car Battery Charger

by NEXPEAK
What We like

This charger is really tiny, which is great if you want to store it in a drawer. It even monitors the charging temperature and protects against overcharge.

8
8.3
SCORE
Interstate Batteries Automatic Battery Charger 12V 1.0 Amp (SLA/AGM) Sealed Lead Acid Trickle Charger Maintainer (920005)

Interstate Batteries Automatic Battery Charger 12V 1.0 Amp (SLA/AGM) Sealed Lead Acid Trickle Charger Maintainer (920005)

by Interstate Batteries
What We like

This versatile charger maintains a car battery, a lawn mower battery, and a generator battery at full charge. But the charger is bulky and difficult to use.

9
8.3
SCORE
ABLY Car Battery Charger 12V/8A 24V/4A Automatic Smart Battery Charger/Maintainer with LCD Display Pulse Repair Charger Pack for Car, Lawn Mower, Motorcycle, Boat, SUV and More…

ABLY Car Battery Charger 12V/8A 24V/4A Automatic Smart Battery Charger/Maintainer with LCD Display Pulse Repair Charger Pack for Car

by ABLY
What We like

The ABLY charger is a sophisticated tool with an intelligent CPU, and can do far more than simple trickle charging. It's perfect for a stable startup.

10
7.3
SCORE
Schumacher SC1361 Fully Automatic Battery Charger, Maintainer, and Starter – 50 Amp/10 Amp, 12V - Car, SUV, and Small Trucks

Schumacher SC1361 Fully Automatic Battery Charger, Maintainer, and Starter – 50 Amp/10 Amp, 12V

by Schumacher
What We like

These smart, fully automatic battery maintainers were easy to use and reliable to charge a set of cars. They also made a great addition for starting or charging motorcycles, boats, golf carts, and more.

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