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Epoch 12V 300Ah Marine Lithium Battery – Essential Series Heated & Bluetooth LiFePO4 Deep Cycle
Epoch 12V 300Ah LiFePO4 heated marine battery with Bluetooth, smart BMS, IP54 weatherproof design, 4000+ cycles, and 11-year warranty.
Reference: 12300A-H
In Stock: 5
$1,199.00
Available for local pickup at our Miami or Fort Lauderdale location
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The Epoch 12V 300Ah Essential Series Heated & Bluetooth LiFePO4 Battery is a high-capacity, deep-cycle powerhouse built for demanding marine, RV, and off-grid applications. Engineered with advanced lithium iron phosphate (LiFePO4) chemistry, it delivers exceptional reliability, performance, and safety in all conditions.
With Bluetooth monitoring, self-heating capability, and a smart Battery Management System (BMS), this battery is designed for boaters and adventurers who need dependable power in every environment — from freezing temperatures to tropical heat. Its IP54 weatherproof construction ensures long-lasting durability against moisture, salt, and vibration.
The Epoch mobile app (iOS & Android) provides live data such as voltage, current, temperature, and state of charge (SOC), enabling precise power management right from your phone. The battery supports both series (up to 48V) and parallel (up to 1,200Ah) configurations for scalable energy storage.
Whether you’re powering trolling motors, navigation systems, or an entire off-grid cabin, the 12V 300Ah Essential Series offers 4000+ cycles, zero maintenance, and an 11-year warranty — a true investment in long-term energy independence.
Key Features
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High-Capacity 12V 300Ah LiFePO4 Battery – Ideal for large marine, RV, or solar systems
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Bluetooth-enabled monitoring through Epoch App (iOS & Android)
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Built-in internal heating for reliable charging in sub-zero temperatures
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Smart BMS protection against overcharge, over-discharge, short circuit, and thermal extremes
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4000+ life cycles with consistent power output and 95% efficiency
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IP54 weatherproof enclosure for harsh environments
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Series and parallel capable (up to 48V / 1,200Ah systems)
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Lightweight for its capacity – only 58 lbs
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Maintenance-free operation with no acid, fumes, or water refills required
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11-year manufacturer warranty for peace of mind
| Epoch 12V 300Ah Essential Series – Technical Specifications | |
|---|---|
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Battery Type | Deep Cycle – Essential Series |
| Nominal Voltage | 12.8V |
| Capacity | 300Ah |
| Max Continuous Discharge | 200A |
| Max Continuous Charge | 200A |
| Peak Discharge Current | 400A (3 seconds) |
| Cell Configuration | 4S1P |
| Series Configuration | Up to 4 batteries (48V system) |
| Parallel Configuration | Up to 4 batteries (1,200Ah total) |
| Max Charge Voltage | 14.6V |
| Operating Voltage Range | 10.0V – 14.6V |
| Cycle Life | 4000+ cycles |
| Ingress Protection | IP54 – Weatherproof |
| Heating System | Internal self-heating for sub-zero charging |
| Bluetooth Connectivity | iOS & Android via Epoch App |
| Smart BMS Protections | Over/under-voltage, short circuit, overcurrent, temperature disconnects |
| 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) |
| Storage Temperature | 0°C to 35°C (32°F to 95°F) |
| Dimensions (L × W × H) | 13.75" base / 15.5" handle × 7.63" × 10.0–10.5" |
| Weight | 58 lbs |
| Certifications | UL1973, RoHS, CE |
| Warranty | 11 Years (Manufacturer) |
Recommended Charging Settings
|
Setting |
Value |
|---|---|
|
Maximum Continuous Charge Current |
200A |
|
Bulk / Absorption Voltage |
14.2V – 14.4V |
|
Absorption End Condition |
Stop when charge current ≤ C/20 or 15 min max |
|
Float Voltage |
Disabled (preferred) or 13.3V – 13.6V |
|
Re-bulk Voltage |
13.2V |
|
Temperature Compensation |
None (0 mV/°C) |
|
Equalization |
Disabled |
|
Charge Temperature Range |
-20°C to 55°C (-4°F to 131°F) with heating |
|
BMS High Voltage Cutoff |
14.6V |
|
SoC Recalibration Voltage |
14.6V |
Warranty & Compliance
The Epoch 12V 300Ah Essential Series Heated & Bluetooth LiFePO4 Battery meets UL1973, CE, and RoHS safety standards for performance and reliability. Backed by an 11-year manufacturer warranty, this battery is protected under the Magnuson-Moss Warranty Act (15 U.S.C. 2302(C)), ensuring full compatibility with marine and RV systems without voiding OEM warranties.