12V 460Ah V2 Elite Series LiFePO4 Battery (5.89kWh)
IP67BluetoothHeated
$2,399
In Stock
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The 12-volt battery is the foundation of countless RV, marine, solar and mobile power systems, but traditional flooded lead-acid and AGM batteries come with familiar compromises. They are heavy, slow to reach a complete charge, require conservative depth-of-discharge planning and lose voltage as stored energy is used. That falling voltage can dim lights, weaken motors and cause inverters or sensitive electronics to shut down earlier than expected.
Epoch 12V lithium batteries replace that aging technology with modern LiFePO4 chemistry, an integrated Battery Management System and substantially more usable deep-cycle energy. A 12V LiFePO4 battery maintains steadier voltage, weighs far less than a comparable lead-acid battery and requires no watering or acid cleanup. It is a high-performance 12 volt lithium ion battery replacement for compatible RV house systems, boats, trolling motors, solar banks and portable power projects.
Select Epoch models use familiar BCI footprints, including Group 24, Group 27, Group 31 and Group 8D formats. This can make a physical drop-in 12V lithium battery upgrade much easier, but fitment is only one part of the conversion. Always verify compartment dimensions, terminal clearance, charger settings, wiring, fusing, current demand and alternator or solar charging compatibility before installation.
The representative graph below illustrates why lithium-powered equipment can feel stronger for longer. A 12.8V-nominal LiFePO4 battery holds a relatively flat operating voltage through most of its usable capacity, while a 12V lead-acid battery declines more steadily as the discharge progresses.
For an RV, travel trailer or van, a 12V battery commonly serves as the house-power foundation for refrigeration, LED lighting, roof fans, water pumps, controls, communications and inverter loads. The best 12V lithium battery for an RV depends on daily watt-hour use, inverter output, charging sources and available space—not simply the largest amp-hour rating. Explore Epoch's RV, van and camper lithium batteries for application-focused options.
A 12V marine lithium battery can power compatible trolling motors, fish finders, chartplotters, livewells, lighting, pumps and onboard accessories. Compact models are especially useful for kayaks and small boats where every pound matters. Match the battery's continuous-discharge rating to the motor or combined electronics load, and use a dedicated cranking-rated or dual-purpose battery when engine starting is required. Browse marine lithium batteries and lithium trolling motor batteries by application.
A 12V lithium solar battery is a practical building block for cabins, mobile work trailers, communications equipment, portable power boxes and emergency backup systems. Calculate energy needs in watt-hours, then size the battery bank, inverter, solar array, charge controller, cables and overcurrent protection as one coordinated system. For example, a nominal 12.8V 100Ah battery stores approximately 1.28kWh before accounting for system losses and reserve capacity.
Epoch's 12V 50Ah Essential Series battery stores 640Wh and weighs approximately 14.3 pounds. It is a strong fit for compact trolling motors within its current rating, fish finders, portable electronics, small solar systems, teardrop campers and other installations where low weight and a small footprint matter most.
The 100Ah class is a common replacement size for RV and marine house batteries. Epoch's 12V 100Ah Eco Series stores 1.28kWh in a 21-pound Group 24 case, while the 12V 105Ah Essential Series stores 1.34kWh and adds Bluetooth monitoring and internal heating in a 22.1-pound Group 24 footprint. These capacities suit weekend boondocking, trolling, marine electronics, backup power and general deep-cycle use when their output ratings match the connected equipment.
Large batteries can consolidate the capacity of several smaller units and reduce parallel jumpers, terminals and balancing complexity. The 12V 300Ah Essential Series battery stores 3.84kWh in a Group 31 footprint, while Epoch's 460Ah options store 5.89kWh for large RV, marine and off-grid systems. A high amp-hour rating does not by itself guarantee compatibility with an air conditioner or large inverter; verify BMS output, surge current, cable size, fuse class, busbars, inverter efficiency and recharge capacity for the complete load.
Side-by-side specs
Every battery in this collection uses LiFePO4 chemistry with a built-in battery management system (BMS). Compare stored energy, continuous output, weight, footprint, and price side by side.
12 models · Select a column heading to sort
| Model | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 460Ah | 5.89 kWh | 230A | 97 lbs | 20.8 × 8.5 × 12 | 3,500+ | 11 yr | IP67 | Bluetooth: yes | Heated: yes | Victron communications: yes |
 | 460Ah | 5.89 kWh | 230A | 97 lbs | 20.8 × 8.5 × 12 | 4,000+ | 11 yr | IP67 | Bluetooth: yes | Heated: yes | Victron communications: yes |
 | 300Ah | 3.84 kWh | 300A | 81 lbs | 19.7 × 10.5 × 9.8 | 6,000+ | 11 yr | IP67 | Bluetooth: yes | Heated: yes | Victron communications: yes |
 | 50Ah | 0.64 kWh | 50A | 14 lbs | 9 × 5.6 × 8.3 | 4,000+ | 11 yr | IP54 | Bluetooth: yes | Heated: no | Victron communications: no |
 | 105Ah | 1.34 kWh | 105A | 22.1 lbs | 10.3 × 6.8 × 9 | 4,000+ | 11 yr | IP54 | Bluetooth: yes | Heated: yes | Victron communications: no |
 | 172Ah | 2.20 kWh | 200A | 40 lbs | 12.9 × 6.2 × 8.5 | 4,000+ | 11 yr | IP65 | Bluetooth: yes | Heated: no | Victron communications: no |
 | 300Ah | 3.84 kWh | 200A | 58 lbs | 13.8 × 7.6 × 10 | 4,000+ | 11 yr | IP54 | Bluetooth: yes | Heated: yes | Victron communications: no |
 | 334Ah | 4.28 kWh | 300A | 75 lbs | 15.4 × 8.1 × 11 | 4,500+ | 11 yr | IP21 | Bluetooth: yes | Heated: yes | Victron communications: yes |
A 12V battery may be the most familiar component in an RV, boat, camper van or solar system, but it is also one of the most important. It determines how long your equipment can run, how well your inverter handles demanding loads, how quickly the system can recharge and how much confidence you have when shore power is unavailable.
The 12V lithium battery market is crowded with products that look similar from the outside. Many use the same basic voltage and case sizes, but the differences become clear when you compare capacity, current output, cold-weather protection, monitoring, communications, enclosure construction, safety certification, warranty coverage and access to technical support.
Epoch gives customers something more valuable than a one-size-fits-all battery: a complete range of 12V LiFePO4 batteries designed for different budgets and different levels of system complexity.
Customers building a simple RV, trolling motor or backup system can choose a cost-effective Eco Series battery without paying for features they will not use. Customers who want Bluetooth monitoring and internal heating can move to the Essential Series. Professional installers, yacht owners, premium RV builders and advanced Victron users can choose Elite and V2-T batteries with high-capacity storage, IP67 protection, CAN-bus communication and model-specific UL-certified safety features.
That means you do not have to choose between a cheap battery with minimal support and an expensive battery overloaded with unnecessary features. Epoch allows you to select the right combination of capacity, intelligence, protection and value for your application.
Not every customer needs the same battery, and not every installation benefits from the same features.
Epoch organizes its 12V lithium batteries into distinct product families so buyers can spend money on the capabilities that actually improve their systems.
The Epoch Eco Series is designed for customers who want dependable LiFePO4 power, substantial capacity and smart BMS protection at a more accessible price.
Eco Series batteries focus on the core functions that matter:
To keep the price lower, Eco Series batteries omit premium features such as integrated Bluetooth monitoring and internal heating.
That does not make them disposable or basic lead-acid substitutes. It makes them a practical choice for protected installations where the owner already uses an external battery monitor, does not charge below freezing or simply wants maximum energy storage per dollar.
The 12V 100Ah Eco Series is an excellent entry point for general RV, marine, trolling motor, solar and backup applications. The 12V 314Ah Eco Series gives customers more than 4kWh of stored energy and high-current output in a compact high-capacity format without requiring them to pay for communications or heating hardware they may not need.
Choose the Eco Series when your priorities are:
Epoch’s value-focused batteries are persuasive because they remove optional technology—not the essential battery protection customers depend on.
The Epoch Essential Series is the ideal middle ground for customers who want more visibility, better cold-weather capability and long-term warranty coverage without moving into a fully integrated professional battery platform.
Depending on the model, Essential Series features may include:
The Essential Series includes options ranging from compact 50Ah batteries to large 300Ah, 334Ah and 460Ah systems.
A 105Ah Essential battery is an excellent everyday choice for RV house power, camper vans, marine electronics, trolling motors and small solar systems. It delivers the familiar capacity of a 100Ah-class battery while adding Bluetooth monitoring and internal heating in a lightweight Group 24 footprint.
For customers who need far more runtime, the 300Ah and 460Ah Essential batteries provide several kilowatt-hours of storage in one battery. These models can simplify a large 12V system while retaining the features most RV, marine and off-grid users value: app monitoring, heating, high current output and long-term support.
Choose the Essential Series when your priorities are:
For many customers, Essential Series batteries provide the best balance of features, capacity and price.
Epoch Elite Series batteries are designed for advanced systems where the battery must do more than store energy.
These batteries are intended to become an integrated part of the electrical system. Select Elite models combine:
This is especially valuable in premium RV, marine, expedition and off-grid installations using Victron inverter/chargers, MPPT solar controllers and GX monitoring equipment.
Instead of requiring the charging system to estimate battery condition from terminal voltage, the battery BMS can communicate real-time information to a compatible Victron GX device. When the system is configured correctly, DVCC allows compatible Victron equipment to respond to charging limits communicated by the battery.
That creates a more coordinated system in which the battery, inverter/charger, solar controllers and monitoring platform work from the same information.
Choose the Elite Series when your priorities are:
The V2-T Elite Series takes the premium platform one step further by integrating a user-serviceable Class T fuse into the battery.
For large lithium systems, overcurrent protection is not an optional accessory. A high-capacity LiFePO4 bank can deliver extremely high fault current during a short circuit. The fuse must be capable of safely interrupting that current before cables, terminals or connected equipment are damaged.
The Epoch 12V 460Ah V2-T includes a 400A Eaton Class T fuse inside the battery enclosure.
This design can provide several installation advantages:
The V2-T battery still requires correctly sized cables, disconnects, busbars and downstream branch protection. The integrated fuse does not automatically make an entire system compliant with every marine, RV or electrical standard.
It does, however, place serious high-current protection where it belongs: at the source of the available battery energy.
A premium battery should not be defined by one app or one large amp-hour number. It should provide a complete combination of energy storage, output, safety, monitoring, environmental protection and system integration.
Epoch’s premium 12V batteries are compelling because those capabilities are designed to work together.
Every dependable 12V lithium battery needs a well-designed Battery Management System.
The BMS continuously monitors battery conditions and provides model-specific protection against problems such as:
This protection matters because real electrical systems are rarely static.
An RV inverter may suddenly power a microwave. A trolling motor may move from low speed to maximum thrust. A refrigeration compressor may start. A solar array may begin delivering substantial charging current after cloud cover clears. An alternator charger may activate when an engine starts.
The BMS must safely manage these changing conditions while allowing the battery to deliver the current required by the equipment.
Epoch publishes model-specific continuous and peak-current ratings so customers and installers can match the battery to the load rather than assuming every 12V battery can power every inverter.
A LiFePO4 battery maintains relatively steady voltage through much of its discharge. This is beneficial for appliances and electronics, but it makes voltage alone a poor indicator of remaining capacity.
Bluetooth-equipped Epoch batteries allow users to view battery information through a compatible phone or tablet.
Depending on the model and app version, available information may include:
This lets an RV owner see how much energy the refrigerator used overnight. A boater can check the remaining capacity before continuing to run pumps and electronics. A solar user can confirm that the battery is receiving charge. An installer can review battery behavior without relying only on a handheld voltage meter.
Bluetooth is not essential for every customer, which is why Epoch also offers batteries without it. For systems where visibility matters, however, direct BMS monitoring is a meaningful advantage.
LiFePO4 cells should not normally be charged below their approved minimum temperature without a suitable heating strategy.
Select Epoch batteries include internal heating. When charging power is available and the cells are too cold, the battery can use that incoming energy to warm the cells before normal charging begins.
This can be especially valuable for:
Internal heating is different from low-temperature charge protection.
A battery with low-temperature cutoff protects itself by refusing to charge when the cells are too cold. A heated battery can warm the cells so charging can resume after the correct temperature is reached.
Customers who always operate in warm climates may not need to pay for heating. Customers who travel through freezing conditions may consider it essential.
Battery enclosures may be exposed to dust, humidity, splashing water, road debris and changing weather.
Epoch offers different enclosure ratings based on the product family and intended application.
Value and Essential models commonly use IP54 weather-resistant cases suitable for protected RV compartments, battery boxes, cabins and dry marine installations. Select premium and marine batteries use IP65 or IP67 enclosures for more demanding environments.
An IP67 enclosure is dust-tight and designed to withstand temporary water immersion under the conditions of the rating.
An IP rating does not eliminate the need for correct installation. Terminals, cables, connectors, chargers, busbars and disconnects still require appropriate environmental protection.
The advantage is choice: customers can select an enclosure suited to the actual location instead of paying for submersion protection in a dry indoor cabinet or installing a splash-resistant battery in an exposed marine compartment.
Select Epoch Elite batteries communicate directly with compatible Victron GX systems through CAN bus.
When installed and configured according to the applicable instructions, the battery BMS can communicate information such as:
With Victron DVCC enabled, compatible system components can respond to battery limits communicated by the BMS.
This is particularly important in advanced systems with multiple charging sources. A premium RV, yacht or off-grid installation may include shore charging, solar, alternator charging, an inverter/charger and a generator. Closed-loop communication helps those components operate as a coordinated energy system rather than as independent devices relying only on fixed settings.
For professional builders and technically advanced customers, native Victron integration is one of the strongest reasons to choose an Epoch Elite battery.
A battery becomes much less valuable when the seller cannot answer a charging, compatibility or installation question.
Epoch provides U.S.-based customer and technical support for:
Epoch also works with an extensive and growing network of authorized dealers, installers, integrators and OEM partners.
This gives customers multiple ways to get help. A DIY customer can contact Epoch directly, while an RV owner, boater or solar customer who prefers professional assistance can work with a local authorized partner.
That support becomes especially valuable with large inverter systems, alternator charging, Victron communications and multi-battery installations.
Many 12V lithium brands concentrate on standard 100Ah batteries. Customers who need 300Ah, 400Ah or more are often expected to connect several small batteries in parallel.
Epoch takes a different approach by offering several exceptionally large-capacity 12V batteries.
Current high-capacity options include approximately:
These batteries allow customers to build a serious RV, marine or off-grid system without automatically filling the compartment with four or five 100Ah battery cases.
A single 460Ah battery stores approximately the same nominal energy as 4.6 individual 100Ah batteries.
Using one large battery instead of several small batteries can reduce:
A single large battery also gives the system one primary state-of-charge reading instead of requiring the owner to monitor several independent Bluetooth batteries.
For installers, fewer components can create a cleaner and more repeatable build. For owners, fewer connections can make inspection and troubleshooting easier.
Epoch packages substantial energy into familiar battery formats.
The 300Ah Essential and 314Ah Eco batteries provide approximately 4kWh in a Group 31-class footprint. The 460Ah batteries provide 5.89kWh in a Group 8D-style format.
This allows customers to evaluate a high-capacity lithium upgrade using battery spaces already common in RV, marine and commercial power systems.
Physical fitment must still be verified. High-capacity batteries require adequate terminal clearance, cable bend radius, secure mounting and enough service access to inspect connections.
A large battery is only useful if its BMS can support the connected load.
Epoch’s high-capacity batteries provide model-specific continuous output suitable for demanding 12V systems. Depending on the selected model, customers can choose batteries designed for 200A, 230A, 250A or other published current levels.
That output can support:
Every installation must still account for inverter efficiency, surge current, cable ampacity and overcurrent protection.
Capacity determines how long a load can run. The BMS rating determines whether the battery can operate that load safely. Epoch gives premium-system customers meaningful options in both categories.
A large single-case battery can shorten installation time and simplify system design.
Instead of building a parallel bank from several smaller batteries, an installer may be able to use:
The result can be a system that is easier to document, commission and support.
Multiple smaller batteries may still be preferred when physical access, lifting weight or redundancy is the priority. Epoch gives the customer both options rather than forcing every large system into the same architecture.
Battery marketing often places cell certifications and complete battery-pack certifications in the same list. They are not the same thing.
A battery may contain cells tested to a safety standard without the complete assembled battery having been evaluated to a pack-level standard.
Select Epoch V2 and V2-T Elite batteries are identified as UL 1973-certified battery packs.
UL 1973 addresses batteries used for stationary and motive auxiliary-power applications. Pack-level certification evaluates more than the individual cells. It applies to the assembled battery system, including relevant electrical, mechanical, control and protection considerations covered by the standard.
For a premium RV, yacht, commercial vehicle or off-grid installation, that distinction can matter.
Pack certification does not guarantee that every possible installation is safe. It does not replace proper wiring, mounting, ventilation, charger programming or overcurrent protection.
It does give customers and installers a meaningful level of third-party product evaluation beyond relying exclusively on a manufacturer’s internal claims.
Large lithium batteries can supply extremely high current into a short circuit.
A BMS may electronically disconnect the battery under many fault conditions, but a BMS should not be treated as the only form of high-current circuit protection.
A Class T fuse provides a separate hardware layer of protection. Class T fuses are valued in large battery systems because of their fast response and high interrupt capacity.
The Epoch V2-T platform integrates a user-serviceable Class T fuse inside the battery enclosure.
This matters for three reasons.
Electrical protection is most effective when it is installed close to the battery.
Placing the Class T fuse inside the battery reduces the amount of external conductor between the battery and the primary fuse.
A traditional system may require a large Class T fuse block, mounting space, protective cover and additional cable between the battery and fuse.
Integrating the fuse can simplify this part of the installation and free valuable space in an RV electrical cabinet, yacht machinery compartment or off-grid enclosure.
The V2-T fuse is designed to be replaced through a service-access area rather than requiring the complete battery to be opened or discarded.
The replacement fuse must match Epoch’s requirements. A different rating should not be installed merely because it fits physically.
The built-in Class T fuse does not protect every downstream circuit. Branch circuits, chargers, inverters and DC loads may still require separate appropriately sized protection.
The safest practical lithium installation is created by several layers working together:
Epoch’s advantage is that customers can select batteries incorporating many of those layers at the product level instead of attempting to add every capability externally.
A 12V 100Ah LiFePO4 battery stores approximately:
12.8 volts × 100 amp-hours = 1,280 watt-hours
That is 1.28kWh of nominal stored energy.
For conservative planning, it is reasonable to preserve approximately 10% reserve rather than planning to reach the BMS low-voltage cutoff during every cycle.
That provides approximately:
1,280Wh × 0.90 = 1,152Wh of planning energy for direct DC loads
For appliances powered through an inverter, some energy is lost during conversion from DC to AC.
Using an estimated 85% inverter efficiency:
1,152Wh × 0.85 = approximately 979Wh of planning energy for AC loads
For a load measured in watts:
Runtime in hours = usable watt-hours ÷ average load in watts
For a load measured in amps:
Runtime in hours = usable amp-hours ÷ average current in amps
Using a 10% reserve, a 100Ah battery provides approximately 90Ah for planning.
A group of efficient LED lights drawing 10 watts could run for approximately:
1,152Wh ÷ 10W = 115 hours
Actual runtime depends on how many lights are operating and their brightness settings.
A fan averaging 20 watts could run for approximately:
1,152Wh ÷ 20W = 58 hours
Higher fan speeds will reduce runtime.
A CPAP averaging 40 watts on a direct DC connection could run for approximately:
1,152Wh ÷ 40W = 29 hours
That is approximately three eight-hour nights with some remaining reserve.
Heated humidifiers and heated hoses can substantially increase power consumption. Using an AC inverter will also reduce runtime.
A refrigerator averaging 50 watts over its complete compressor cycle could run for approximately:
1,152Wh ÷ 50W = 23 hours
A refrigerator does not normally draw its full rated power continuously. Ambient temperature, thermostat setting, insulation, door openings and ventilation around the compressor can significantly affect its average consumption.
A fish finder or electronics system drawing an average of 2 amps could run for approximately:
90Ah ÷ 2A = 45 hours
A larger network with multiple displays, live sonar, GPS modules and pumps may draw substantially more.
A combined load of lights, fans, electronics and refrigeration averaging 100 watts could run for approximately:
1,152Wh ÷ 100W = 11.5 hours
A 500-watt appliance operating through an inverter could run for approximately:
979Wh ÷ 500W = 2 hours
This assumes the appliance draws 500 watts continuously. Thermostatically controlled appliances may cycle on and off.
A continuous 1,000-watt AC load could run for approximately:
979Wh ÷ 1,000W = about 1 hour
The battery BMS, inverter, cables and fuse must all support the required current.
A 1,000-watt AC load can require approximately 90 to 100 amps from a 12V battery after inverter losses are included. That places the system near the continuous-output limit of many standard 100Ah batteries.
Trolling motor runtime depends heavily on speed, wind, current, boat weight and propeller load.
Using 90Ah of planning capacity:
Maximum-thrust current is not the same as average current across an entire fishing day.
A 100Ah battery providing approximately 1,152Wh of planning energy could support:
Solar, alternator and shore-power charging can replace energy during the day and extend the time between complete recharges.
These examples are mathematical planning estimates. Actual runtime varies with battery temperature, age, wiring loss, equipment efficiency, inverter idle consumption, discharge rate and the reserve the owner chooses to maintain.
Start by identifying two different requirements:
A battery may contain enough total energy for an application but still have an insufficient BMS current rating for the inverter or motor.
A 50Ah battery stores approximately 640Wh.
Common applications include:
A 50Ah battery is a strong choice when low weight and compact size matter more than maximum runtime.
A 100Ah-class battery stores approximately 1.28kWh to 1.34kWh.
Common applications include:
The Epoch 100Ah Eco is well suited to customers who prioritize price and simplicity. The 105Ah Essential is better suited to customers who want Bluetooth monitoring, internal heating and longer warranty coverage.
A dual-purpose battery is designed to provide both deep-cycle energy and short-duration cranking current for compatible engines.
This type of battery can be useful in boats where one battery must start an approved outboard and continue powering electronics, pumps and accessories.
A standard deep-cycle battery should not be used for engine starting unless the exact model is identified as cranking-capable and meets the engine manufacturer’s requirements.
This capacity range stores approximately 3.84kWh to 4.28kWh.
Common applications include:
These batteries can replace several 100Ah batteries while reducing parallel wiring and conserving compartment space.
A 460Ah battery stores approximately 5.89kWh.
This size is intended for serious power systems such as:
The Essential 460Ah battery prioritizes capacity, Bluetooth and heating at a lower price.
The V2 Elite adds IP67 construction, native Victron communication and premium system integration.
The V2-T Elite adds the integrated Class T fuse for customers and installers who want protection built directly into the battery platform.
First calculate daily energy use:
Daily watt-hours = appliance watts × hours used per day
Add every expected load.
Then calculate the energy required for the desired number of days:
Required planning energy = daily watt-hours × days between charging
To include a 10% reserve:
Required nominal energy = required planning energy ÷ 0.90
Convert watt-hours to 12V amp-hours:
Required amp-hours = required nominal watt-hours ÷ 12.8
Assume an RV uses 1,500Wh per day and needs two days of battery capacity:
1,500Wh × 2 days = 3,000Wh
Including a 10% reserve:
3,000Wh ÷ 0.90 = 3,333Wh
Convert to amp-hours:
3,333Wh ÷ 12.8V = approximately 260Ah
A 300Ah-class battery would provide a practical starting point before allowing for temperature, battery aging, unexpected loads and future equipment.
A large inverter can demand enormous current from a 12V battery.
Approximate battery current can be calculated as:
Battery current = AC watts ÷ battery voltage ÷ inverter efficiency
Using 12.8 volts and 85% efficiency:
These calculations show why amp-hour capacity alone is not enough.
A typical 100Ah battery with a 100A continuous BMS may support a 1,000W-class inverter load but cannot be assumed to power a 2,000W or 3,000W appliance continuously.
A high-capacity battery with a 200A, 230A or 250A continuous rating can support much larger loads when every component is engineered correctly.
A 3,000W-rated inverter does not necessarily operate at 3,000 watts continuously. Size the battery around the highest realistic continuous load, expected surge and inverter efficiency.
At very high sustained power levels, a 24V or 48V architecture may be more efficient than remaining at 12V.
