experience the advantage of ionic brand lithium batteries
11 year
warranty
Buy with confidence with our competitive no-nonsense 11 year warranty.
grade a
cells only
Ionic uses the best cells so your battery lasts longer and performs better.
bluetooth
monitoring
Monitor your charge at any time from our user-friendly Ionic mobile app.
Advanced
BMS
Ionic batteries are 100% compatible and safe with Yamaha and Mercury motors
get the battery of tomorrow, today
50%
50 percent lighter
0%
zero maintenance
200%
2x the power
500%
5x faster charging
Our Lithium LiFePO4 batteries bring you revolutionary technology ahead of its time. As the creators of the Ionic brand, we combine powerful lithium, Grade A battery cells, and Bluetooth monitoring for a battery that lasts longer, works harder, and plays smarter. With LithiumHub, you’re guaranteed 100% US based support, plus a competitive, no-nonsense 11-year warranty.
12V Chargers for RV, Marine, Solar Batteries & More
The perfect 12V charger for your batteries is just a click away:
12V Single Battery Chargers
Charge individual 12 volt batteries with these single chargers.
12V Bank Chargers
Use these bank chargers to charge multiple batteries at the same time.
Find The Perfect Battery For Your Needs
Ask Our Experts Now
Need some help determining exactly which batteries you need for your bass boat, RV, scooter, or other application? Let our lithium battery experts help you find the right battery.
OPTIMIZED: We've built our Ionic 12V battery chargers with lithium batteries in mind. They are optimized for LiFePO4 batteries, producing a fast, full charge every time.
CCCV: Our lithium chargers provide constant current, constant voltage (CCCV). They're designed to maximize the life of your lithium battery.
SMART: An Ionic 12V charger stops charging once it reaches 14.6V. This smart function protects your battery from damage.
LIGHTWEIGHT. Save your back and skip the heavy, cumbersome chargers. Our smallest charger, the 12V 4A, weighs only 4.5lbs (2.0kg). Our largest Ionic charger, the 4 Bank 12V 10A charger, weighs just 11 pounds.
SMALL. Never bulky, our chargers can go where you go. Our largest charger, the 4 Bank 12V charger, measures 12in x 9.5in x 2in.
HIGHEST QUALITY. Lithium batteries are an investment, so you want to protect them the same way you would protect your laptop with a sturdy case, or your car with frequent tune-ups. Our high quality 12V chargers ensure your batteries continue to function at their best, even as time goes by.
Which 12V Charger is Right for Your Battery?
Use this handy guide to pinpoint the right 12V charger for your needs:
Two Main
Types of Chargers
There are two types of chargers that you can use for your 12v batteries: single and bank chargers.
If you want to charge just one battery, choose a single charger. If you want to charge 2,3, or 4 batteries at once, pick a bank 12V charger. You can also wire a single charger in parallel to provide additional charging current to large battery systems.
ChargerS for Different
Battery Sizes
Chargers also differ by amp rate. For example, a 12V 4A battery charger will charge a 12 volt lithium battery at a rate of 4 amps per hour. This means that it can fully charge a 12V 12Ah battery in 3 hours.
When choosing a charger, keep in mind that the higher the amp rating (A), the faster charge you'll get. However, make sure the amp rating isn't higher than the amp hour rating of your battery. Using a charger with an amp rating that is too high can damage your battery.
Which 12V Charger is Right for Your Battery?
Single 12V Chargers
Works with any battery up to 30 Ah
Max charge voltage 14.6V
Max charge current 4A
Works for 30Ah batteries and larger.
Max charge voltage 14.6V
Max charge current 10A
Compatible with 20Ah batteries and larger, optimal for 50Ah batteries and larger.
Max charge voltage 14.6V
Max charge current 18A
Optimal for 12V 100Ah, 125Ah and 300Ah or multiple batteries in parallel.
Max charge voltage 14.6V
Max charge current 18A
Bank 12V Chargers
4 Bank Charger (Can also charge 2 or 3 batteries)
Max charge voltage 14.6 V
Max charge current 10A (each channel)
Shows charge level and time to charge (when charging lithium batteries only)
5 foot cable for each bank
2 Bank Charger
Charges one 12V battery and one 26V battery at the same time.
Max charge voltage 14.6 V
Max charge current 10A (each channel)
Shows charge level and time to charge (when charging lithium batteries only)
Need Additional Help?
Not sure which 12V battery charger suits your needs? Speak with our lithium battery experts, located right here in the USA.
Charger Recommendation
FAQs
What’s the difference between a 4A, 10A, and 20A charger?
The “A” stands for amp rating. This rating refers to the amount of power your charger will put into your battery per hour. So a 4A charger will charge at a rate of 4 amps per hour. A 10A charges at a rate of 10 amps per hour, and 20A at 20 amps per hour. It is best to choose a charger with an amp rating that is less than (about ⅓) the amp hour (Ah) rating of your battery.
What kind of charger do I need for my lithium battery?
We recommend charging your LiFePO4 battery with a charger designed specifically for LiFePO4 batteries. Because if you don't, you'll likely run into issues, like decreasing the lifespan of the battery and its overall performance.
How fast will my battery charge?
Here’s how to figure out how fast your lithium battery will charge with our Ionic chargers. Take the amp hour rating of your battery and divide it by the number of amps of your charger. For example, a 12V 4A charger will charge a 12V 20Ah battery in 5 hours.
Can I charge other types of batteries with an Ionic 12V charger?
Yes, you can charge lead acid and AGM batteries with our Ionic chargers. However, they are most ideal for lithium batteries. Some functions, such as the charge level and time to charge display on our 4 bank charger, will only work with lithium batteries.
Can I charge lithium batteries and lead acid batteries at the same time?
Yes. When using the 4 Bank 12V 10A charger, you can combine battery types. For example, you could charge 3 Ionic 12v 50ah trolling motor batteries and an AGM starting battery simultaneously.
Can I charge my lithium battery with a normal charger?
Your best bet is to charge your LiFePO4 battery with a battery charger designed specifically for those types of batteries. That said, is it possible? In many cases, yes. It’s just not usually ideal, for a number of reasons.
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