Featured Best Sellers

Featured Best Sellers

When a battery compartment is full but the day still calls for more power, the right upgrade has to do more than fit the tray. Epoch's Featured Best Sellers bring substantial LiFePO4 capacity, built-in protection and useful battery data to RVs, boats and off-grid power systems.

The Epoch Featured Best Sellers collection includes five deep-cycle batteries across 12V, 24V and 48V systems. Every model shown has Bluetooth monitoring, internal heating and an 11-year limited warranty (3 or 5 years of free coverage depending on the series, then 40% off MSRP on a replacement battery through Year 11). The choices range from a 3.84kWh 12V Essential in a Group 31 case to Elite models with up to 5.89kWh in a Group 8D footprint. Select by voltage, loads and charging equipment; these are house and energy-storage batteries, not a blanket replacement for an engine starting battery.

More Usable Power for the Space You Have

• Make capacity count: Lead-acid banks are commonly cycled conservatively to preserve service life. A properly sized LiFePO4 bank can deliver more of its rated energy in routine use within the model's published limits.
• Consolidate the battery bank: The 12V 300Ah Essential stores 3.84kWh in one Group 31 case. The 12V 460Ah Elite stores 5.89kWh in a Group 8D case, potentially simplifying a system that used several smaller batteries.
• Free up payload: The Essential weighs 58 pounds; the featured Elite models weigh 97 pounds apiece. Actual weight savings depend on the lead-acid bank and hardware being replaced.
• Keep compatible loads steady: LiFePO4 maintains a flatter discharge voltage than lead acid, helping a correctly designed inverter, refrigerator or electronics circuit operate consistently through more of a cycle.
• Cut routine battery chores: No flooded-cell watering or acid cleanup is needed, although connections, restraints, cabling and protective devices still deserve inspection.

Space planning means checking hatch openings, tray dimensions, case height, terminal reach, cable bends and ventilation requirements of surrounding equipment. A Group 31 or Group 8D footprint helps narrow the physical choices, but an identical tray size does not settle charger settings, fuse size or current demand. Compare kilowatt-hours for stored energy and the battery's electrical ratings for the loads it must actually run.

Compare Epoch's Five Featured Batteries

These models share LiFePO4 chemistry, a protective battery management system and Bluetooth visibility. The meaningful differences are system voltage, capacity, case size and communication or protection features. Choose the one that fits your electrical architecture rather than selecting by amp-hours alone.

The Essential suits a smaller tray; a 12V Elite can serve a larger house bank with fewer parallel connections. V2-T models add an internal Class T fuse at the source; they still need appropriate disconnects, conductors and downstream protection.

Choose a System for the Way You Use Power

12V RV, Boat and Mobile House Banks

A travel trailer running lights, a compressor refrigerator and devices overnight needs predictable 12V reserve. A cruising boat may add pumps and navigation electronics, while a camper van may have a compact battery bay and a solar controller. The Group 31 Essential is a strong starting point where tray space is tight and the load calculation supports 3.84kWh. For a larger inverter, longer stays or a higher daily energy budget, the 12V Elite models put 5.89kWh in a single managed case.

Size from real consumption: add each load's watt-hours, include inverter losses and keep a reserve for essential equipment. A kilowatt-hour rating does not promise a fixed runtime; appliance duty cycle and charging opportunities change the result. Keep the engine starting circuit separate unless the exact battery is approved for that duty.

24V and 48V Inverter or Off-Grid Systems

For a system already designed around 24V, the 24V 230Ah V2-T Elite offers 5.89kWh without assembling a series string of lower-voltage batteries. The 48V 100Ah V2-T Elite provides 5.12kWh for a properly matched 48V inverter, solar or house system. Higher voltage can reduce current for a given power level, but every inverter, charge source, disconnect and DC load must suit that voltage. Use conversion equipment for lower-voltage circuits where needed.

Both higher-voltage options are deep-cycle storage batteries. They are not drop-in replacements for a 12V lead-acid starter or a golf cart pack merely because a battery bay has room. Confirm continuous output and surge requirements on the current product sheet, especially for larger inverters, motors and pumps.

Bluetooth Monitoring and Built-In Protection

Every battery in this collection can report state of charge and available battery data to a compatible phone over Bluetooth. Check the app before leaving shore power or switching on a large inverter load. Watching current, voltage and temperature can reveal a charging mismatch sooner than a simple voltage display. Bluetooth requires a nearby device; it does not by itself create remote internet monitoring.

Elite models also support communication with compatible Victron GX systems when installed with the specified cabling and settings. This is useful in a more complex boat, RV or off-grid build where an inverter and chargers need battery information in one system view. The 12V Essential has Bluetooth but no native Victron communication. The Essential also uses a security PIN for its mobile app; save the code from the battery before installation makes the top label hard to reach.

Reliability comes from matching the whole system to the battery. Each featured model has a BMS to guard against conditions such as overcurrent and unsuitable temperatures, and internal heating supports charging in cold conditions when charge power is available. A BMS cutoff can still interrupt connected loads if limits are exceeded. Build in the appropriate reserve, fusing, cable sizing and monitoring for critical circuits. IP54 on the Essential and IP67 on the Elite cases describe enclosure protection, not waterproof external wiring.

Upgrade from Lead Acid with a Clear Plan

• Measure the current system: Record battery-bank voltage, daily watt-hours, inverter demand, available tray space and the lead-acid batteries you plan to replace.
• Choose the right featured model: Match voltage and stored energy first, then check continuous and peak current, case clearance, mounting and any Victron or Class T features needed.
• Set up charging and protection: Confirm the shore charger, converter, solar controller and alternator or DC-to-DC path are compatible with Epoch's LiFePO4 settings; review cable and fuse ratings.
• Secure and verify: Recycle the old lead-acid bank, mount the new battery, protect terminals and test charging, Bluetooth readings and normal loads before relying on it away from power.

Do not directly mix lead-acid and lithium batteries in one bank. In a multi-battery lithium bank, follow Epoch's model-matching and wiring instructions. An installer can help check a high-current inverter, alternator strategy or marine installation. The advantage of more energy in less space is most valuable when the charger, load protection and monitoring are designed to use it safely.

Find the Featured Bestseller That Fits

Epoch's Featured Best Sellers give 12V, 24V and 48V system builders a practical route beyond bulky lead-acid storage: more routinely usable energy for a limited compartment, less routine battery maintenance and Bluetooth visibility on every listed model. The Group 31 Essential fits compact 12V house banks; Elite batteries support larger, more connected storage systems. Choose the voltage and capacity your loads require, then build the charging and protection around the exact battery.

Explore Featured Best Sellers, or contact Epoch support with your battery-bay measurements, existing charger, inverter size and daily energy estimate to narrow down the right fit.