Loading page content, please wait...Lithium MarineBatteries
Lithium RV & CamperBatteries
Pick the appliances you'll run and get a custom lithium battery bank, solar array, and inverter recommendation in about 60 seconds — backed by US-based support.
Minimum kWh for your loads and days of autonomy
Panels sized to refill a full day of use
Inverter size plus the exact batteries to buy
Free, no signup — every recommendation ships with an 11 Year Warranty and advanced BMS.
The Epoch Elite Series is a premium line of batteries that deliver exceptional performance and reliability. These batteries are designed to meet the demands of high-performance applications, providing long-lasting power and durability.
🏆 Built for Winners
Their Choice
Featured
Our latest featured video — a fresh, hands-on look at what Epoch lithium batteries deliver in the real world.
The Epoch Advantage
Supercharge your battery experience with LiFePO4 technology. Swift, efficient charging for ultimate convenience.
Monitor every cell, track performance history, and receive real-time alerts — all from your smartphone.
Track voltage, current, and state of charge live
Instant wireless access to your battery data
Get notified of any abnormal battery conditions
Why Epoch
Epoch Batteries is a veteran owned company. We are proud to serve our country and our customers with the highest quality products and service.
Customer Reviews
Real reviews from real customers powering their adventures with Epoch.
Unbeatable reliability and performance for electric boats, yachts, and ships.
Safe, long-lasting LiFePO4 power built for life on the road.
High-performance lithium upgrades for unparalleled range and speed.
News, guides, and insights from the Epoch team
Learn how Epoch can help companies build custom OEM and ODM LiFePO4 battery projects with tailored voltage, capacity, BMS features, branding, and support.
Read articleLearn why lithium batteries may have different UL certification numbers, what UL listings mean, and how to verify certification details for a specific battery model.
Read articleLearn what to check before adding more LiFePO4 batteries later, including battery model, voltage, capacity, age, wiring, charger size, and parallel limits.
Read article
