Help Save Our Oceans During RELiON's Earth Day Sale!

Save 10% + Pull a Pound of Trash Out of the Ocean with code EARTH10

This year, for the 50th anniversary of Earth Day, we want to dedicate a week to celebrating our planet's oceans and do our part to keep them clean and plastic-free.

Limited-Time: Earth Day Sale

From April 22-26, save 10% on all RELiON lithium batteries on the RELiON website. For each order, RELiON will pull a pound of trash out of the ocean with a purchase at 4Ocean, an organization dedicated to help end the ocean plastics crisis. With RELiON's purchase from 4Ocean, you will receive a bracelet made from recycled glass and plastic bottles. Use code "EARTH10" at checkout.

LiFePO4 Batteries and the Environment

Check Out Our Most Popular Batteries!



Our RB100 is our most popular battery! It's 12V, 100 Ah battery and a lightweight alternative to lead-acid. This deep cycle lithium battery weighs in at only 30 lbs. The RB100 is the perfect replacement from a group 31 AGM, GEL or lead-acid battery. It’s versatility allows it to fit in many marine applications, plus it’s reliable and requires zero maintenance.

Get the Specs



Our RB100-LT is a 12V, 100 Ah battery. Our LT Series batteries are specifically designed to handle low temperatures. The system features proprietary technology which draws power from the charger itself, requiring no additional components. The Low Temperature Series battery has the same size and performance as other RELiON batteries but can safely charge when temperatures drop as low as -20°C using a standard charger.

Get the Specs



Our RB100-HP is a 12V, 100 Ah marine battery. Our HP Series batteries are high performing lithium starting batteries, which crank the starter of your boat's engine and are the base of your electrical system. The RB100-HP provides the high power needed to start your motor, even after hours of powering your electronics.

Get the Specs

View Our Entire Product Selection

We have over 40 different lithium batteries to fit any application!


Take a look at our FAQ page for a comprehensive list of commonly asked questions.

Get Answers

*Only available on orders placed at You will not see the donation in your shopping cart when placing your order online. Your 4Ocean bracelet will be shipped separate from your battery. Promotion valid 4/22/2020 – 4/26/2020.