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Epoch Essentials · Heated · Bluetooth · Group 24
A premium 12V 105Ah LiFePO4 battery with Group 24 drop-in size, internal heating, Bluetooth monitoring, smart BMS protection, and 1.34kWh of usable lithium energy.
This heated lithium battery is not just another 100Ah-class option. The Epoch Essentials 12V 105Ah lithium battery delivers more capacity than the standard 12V 100Ah deep cycle replacement while adding built-in Bluetooth, cold weather charging support, smart BMS protection, and an 11-year warranty in a compact Group 24 lithium battery footprint.
A smarter 12V 100Ah deep cycle replacement with 105Ah of capacity, Bluetooth, and internal heating.
The Epoch Essential Series 12V 105Ah LiFePO4 battery gives RV, marine, van, solar, and off-grid users a compact drop-in replacement for heavy lead-acid or AGM batteries. With a Group 24 footprint, 22.1 lb weight, and 1.34kWh of stored energy, it delivers dependable lithium runtime without taking up extra space.
Unlike many bare-bones budget batteries, this model includes the premium essentials customers actually want: internal heating for cold weather charging, a Bluetooth battery monitor through the Epoch battery app, and smart BMS protection for safer everyday use.
The compact 10.25 in × 6.75 in × 9.00 in footprint is designed for Group 24 battery trays, marine battery boxes, and RV battery compartments. Always verify tray fitment, cable clearance, hold-down strap location, and terminal access before installation.
At only 22.1 lbs, this lightweight lithium battery can remove significant weight compared with traditional lead-acid options, helping improve RV payload efficiency, boat handling, and overall system serviceability.
Internal heating, Bluetooth monitoring, and smart BMS protection separate it from basic budget batteries.
Standard lithium batteries can be damaged if charged below freezing. The internal heating feature helps protect your investment by warming the cells before accepting normal charge current, supporting safer cold weather charging during winter camping, early-season boating, and off-grid use.
Skip complicated external shunts for basic battery visibility. The built-in Bluetooth battery monitor connects directly to the Epoch battery app so you can view state of charge, voltage, current draw, temperature, and battery status from your phone.
That extra 5Ah provides a true 1.34kWh lithium battery capacity, giving you more runtime for trolling motors, CPAP machines, RV electronics, lights, pumps, refrigerators, and off-grid loads in the same compact Group 24 size class.
Build larger 12V, 24V, 36V, or 48V systems with matched batteries.
Wire up to 4 batteries in series to create 24V, 36V, or 48V systems for compatible trolling motor, golf cart, solar, or mobile power applications. For more capacity at 12V, wire up to 4 batteries in parallel for up to 420Ah. Always use matched batteries of the same model, age, capacity, and state of charge.
RV, marine, solar, off-grid, backup, and trolling motor upgrade systems.
Feature-rich Epoch Essentials performance in a compact Group 24 format.
Recommended add-ons for a complete 12V lithium installation.
Google-friendly spec table with capacity, Group 24 size, current ratings, dimensions, weight, and charging values.
| General | |
|---|---|
| Brand | Epoch Batteries |
| Model / SKU | 12105A-H |
| Series | Essential Series / Epoch Essentials |
| Battery type | Heated Bluetooth deep-cycle LiFePO4 battery |
| Group size | Group 24 lithium battery |
| Chemistry | LiFePO4 / Lithium iron phosphate |
| Cell configuration | 4S1P |
| Bluetooth | Yes — iOS and Android app compatible |
| Internal heating | Yes |
| Cycle life | 4,000+ cycles |
| Warranty | 11-year manufacturer warranty |
| Voltage and capacity | |
| Nominal voltage | 12.8V |
| Nominal capacity | 105Ah |
| Energy stored | 1.34kWh |
| Operating voltage range | 10.0V – 14.6V |
| Maximum charge voltage | 14.6V |
| Current ratings | |
| Max continuous discharge | 105A |
| Max continuous charge current | 100A |
| Recommended charge current | 50A |
| Max discharge peak current | 200A for 10 seconds |
| Series and parallel configuration | |
| Series connections | Max 4 batteries in series, up to 48V |
| Parallel connections | Max 4 batteries in parallel, up to 420Ah |
| Maximum configuration | 4S4P |
| Temperature | |
| Charge temperature range | -20°C to 55°C / -4°F to 131°F, with heating |
| Discharge temperature range | -20°C to 60°C / -4°F to 140°F |
| Recommended storage temperature | 0°C to 35°C / 32°F to 95°F |
| Low-temperature charge protection | Yes |
| Dimensions and weight | |
| Length | 10.25 in / approx. 26.04 cm |
| Width | 6.75 in / approx. 17.15 cm |
| Height | 9.00 in / approx. 22.86 cm |
| Weight | 22.1 lb / approx. 10.02 kg |
| Mechanical | |
| Case material | ABS and PC blend, UL94-V0 flame rating |
| Enclosure protection | IP54 |
| Terminal type | M8 female |
| Recommended charging settings | |
| Bulk / absorption voltage | 14.2V – 14.4V |
| Absorption end condition | Stop when charge current is ≤ C/20 or 15 minutes max |
| Float voltage | Disabled preferred, or 13.3V – 13.6V |
| Re-bulk voltage | 13.2V |
| Temperature compensation | 0mV/°C / none |
| Equalization | Disabled |
| Battery charge temperature range | 0°C to 55°C / 32°F to 131°F |
| BMS high-voltage cutoff | 14.6V |
Dust protected, splash resistant, and built for protected mobile compartments.
The IP54 enclosure helps protect against dust and water splashes in protected RV, marine, van, and off-grid battery locations. It is not designed for submersion, pressure washing, or standing-water installations.
More usable energy. Less maintenance. Smarter battery visibility.
LiFePO4 technology provides stable voltage output, long cycle life, fast charging capability, and maintenance-free operation. Compared with lead-acid batteries, this Epoch Essentials battery delivers more usable energy in a lighter package while adding Bluetooth monitoring, internal heating, and smart BMS protection.
Verify your tray, wiring, charger, and system design before installation.
Always confirm Group 24 tray dimensions, terminal access, cable clearance, charger compatibility, overcurrent protection, and system requirements before installation. Use a LiFePO4-compatible charger, RV converter, solar charge controller, inverter charger, or DC-to-DC charger programmed within Epoch’s recommended charging parameters.
Answers for Group 24 fitment, Bluetooth monitoring, cold-weather charging, expansion, and charger compatibility.
Yes. The Epoch 12V 105Ah Essentials battery is designed as a Group 24 drop-in replacement for many standard 12V RV and marine battery trays. It fits the common Group 24 footprint while offering far less weight and more usable energy than many lead-acid or AGM batteries. Always verify tray dimensions, cable clearance, terminal orientation, and charger compatibility before installation.
No external monitor is required for basic battery visibility. This 12V Bluetooth lithium battery includes a built-in Bluetooth module that communicates with the Epoch battery app, allowing you to view state of charge, voltage, current draw, internal temperature, and battery status from a compatible iOS or Android device.
Charging lithium batteries below freezing can damage the cells. The built-in internal heating system helps protect the battery by using incoming charge power to warm the cells before normal charging begins. This supports safer cold weather charging for winter camping, early-season boating, and off-grid storage situations.
Yes. The Epoch 12V 105Ah Essentials battery can be wired in series up to 4 batteries to create 24V, 36V, or 48V systems. It can also be wired in parallel up to 4 batteries to increase total amp-hour capacity. Use matched batteries of the same model, age, capacity, and state of charge, and follow Epoch installation guidance.
Epoch packs 105Ah into the Group 24 size class, giving you 1.34kWh of usable energy in a compact footprint. That extra 5Ah can provide additional runtime for trolling motors, RV electronics, lighting, refrigeration, CPAP machines, pumps, and other 12V loads without taking up more physical battery space.
For best performance and lifespan, use a charger, RV converter, solar charge controller, or inverter charger with a dedicated LiFePO4 charge profile. Epoch lists 14.2V–14.4V bulk/absorption, float disabled preferred or 13.3V–13.6V, and equalization disabled. For alternator charging, a DC-to-DC charger is highly recommended to protect both the alternator and battery.
Yes. This model includes both internal heating for cold-weather charging support and Bluetooth app monitoring. These are the key premium features that separate it from many lower-cost bare-bones 12V 100Ah deep cycle replacement batteries.
This model is IP54 rated, meaning it is dust protected and splash resistant for protected RV, marine, van, and mobile power compartments. It is not designed for submersion or locations where standing water can collect around the battery.
Experience worry-free adventures with our robust IP54 protection. Your battery is effectively shielded against dust and water splashes, giving you the confidence to use it in light rain or dusty conditions. While not fully waterproof, IP54 provides reliable protection for most everyday outdoor scenarios.