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Epoch 12V 300Ah Marine Lithium Battery – Pro Series LiFePO4 | Cranking & Deep Cycle Dual Purpose
Epoch 12V 300Ah Pro Series LiFePO4 marine battery – dual-purpose cranking & deep cycle, Bluetooth, IP67 waterproof, heated, 6000+ cycles, 11-year warranty.
Reference: DP12300H
In Stock: 5
$1,499.00
Available for local pickup at our Miami or Fort Lauderdale location
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The Epoch 12V 300Ah Pro Series LiFePO4 Cranking & Deep Cycle Battery is the ultimate dual-purpose power solution for high-demand marine and RV systems. Combining massive starting power with deep-cycle endurance, this advanced lithium battery is built to outperform and outlast traditional AGM and lead-acid batteries in every condition.
Featuring 1,000A peak discharge and 300A continuous output, the Pro Series 300Ah can effortlessly start large outboards, run trolling motors, and power complex electrical systems simultaneously. Designed for professional marine applications, it integrates seamlessly into modern boat networks with CANBus communication, full Victron ecosystem compatibility, and optional NMEA 2000 and touchscreen battery gauge accessories.
With IP67 waterproof construction, internal heating for cold-weather charging, and Bluetooth connectivity for real-time monitoring, the 12V 300Ah Pro Series delivers reliability in any environment. Built using UL-certified LiFePO4 cells and an advanced Smart BMS, it ensures protection against over-voltage, short-circuit, and temperature extremes.
Engineered for longevity with 6000+ charge cycles, maintenance-free operation, and backed by an 11-year warranty, the Epoch 12V 300Ah Pro Series defines what a true dual-purpose lithium marine battery should be.
Key Features
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Dual-purpose lithium design – ideal for cranking and deep-cycle marine applications
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Peak discharge of 1,000A for 5 seconds, ideal for outboards and high-demand electronics
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300A continuous discharge and charge capability
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Integrated heating for safe charging in sub-zero temperatures
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Bluetooth monitoring via iOS and Android apps with OTA firmware updates
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Victron CANBus communication for seamless integration with Cerbo GX and Victron systems
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IP67 waterproof and dustproof for marine-grade reliability
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Optional touchscreen gauge and communications box for enhanced integration
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UL1973, RoHS, and CE certified for global safety compliance
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6000+ cycles, zero maintenance, and 11-year manufacturer warranty
| Epoch 12V 300Ah Pro Series – Technical Specifications | |
|---|---|
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Application | Cranking & Deep Cycle (Dual Purpose) |
| Nominal Voltage | 12.8V |
| Capacity | 300Ah |
| Max Continuous Discharge | 300A |
| Max Continuous Charge | 300A |
| Peak Discharge Current | 1,000A (5 seconds) / 800A (10 seconds) |
| Cell Configuration | 4S3P |
| Series Configuration | Up to 4 batteries (48V system) |
| Parallel Configuration | Up to 16 batteries |
| Max Charge Voltage | 15.4V |
| Operating Voltage Range | 10.0V – 15.4V |
| Cycle Life | 6000+ cycles |
| Ingress Protection | IP67 – Dustproof & Waterproof |
| Heating Feature | Internal heater for charging below 0°C |
| Bluetooth Connectivity | iOS & Android app with OTA firmware updates |
| Victron CANBus Communication | Compatible with Victron Ecosystem & Cerbo GX |
| Optional Accessories | Touchscreen Battery Gauge, NMEA2K & Inverter Comms Box |
| 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) | 19.70" × 10.5" × 9.75" |
| Weight | 81 lbs |
| Certifications | UL1973, RoHS, CE |
| Warranty |
11 Years (Manufacturer) |
Recommended Charging Settings
|
Setting |
Value |
|---|---|
|
Bulk / Absorption Voltage |
14.2V – 14.6V |
|
Absorption Time |
30 minutes per 200Ah (for two in parallel) |
|
Float Voltage |
13.4V – 13.8V |
|
Equalization |
Disabled |
|
Temperature Compensation |
Disabled |
|
Charge Rate |
50% of total battery or bank capacity |
|
Charge Temperature |
32°F to 131°F (0°C to 55°C) |
|
Discharge Temperature |
-4°F to 140°F (-20°C to 60°C) |
Compliance & Warranty
This battery is protected under the Magnuson-Moss Warranty Act (15 U.S.C. 2302(C)), ensuring that marine engine or vehicle warranties cannot be voided due to aftermarket battery installation unless directly proven to cause failure.
The Epoch 12V 300Ah Pro Series is built with UL-certified safety components and is fully compliant with CE and RoHS standards.
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