Epoch 12V 120Ah Pro Series - LiFePO4 Cranking & Deep Cycle Lithium Battery
The Dual Purpose Lithium Battery by Epoch. Experience the power of advanced LiFePO4 technology with our Group 27 lithium battery that delivers cranking power AND deep cycle performance in one package.
Meet the Epoch 12V 120Ah Pro Series LiFePO4 battery an advanced dual purpose lithium battery designed for marine, RV, and automotive applications. This Epoch Group 27 LiFePO4 combines the reliable starting power of a lithium cranking battery with the endurance of a deep cycle lithium battery.
Suitable for powering trolling motors, starting engines, running RV electrical systems, or building solar battery storage solutions, this marine lithium battery delivers reliable performance in demanding conditions.
Key Features & Benefits
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1100 CCA: Cranks outboard engines up to 250hp
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Dual Purpose Design: Functions as both cranking and deep cycle battery
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Self-Heating Technology: Charges in conditions down to -20°C
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Smart Bluetooth Connectivity: Monitor and control via iOS/Android apps
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Victron Communications: CANBus integration with Victron Cerbo GX systems
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IP67 Waterproof Rating: Complete dust and waterproof protection
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6000+ Cycle Life: Extended lifespan compared to traditional batteries
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11-Year Manufacturer Warranty: Long-term protection
Technical Specifications
Specification |
Value |
Capacity |
120Ah |
Voltage |
12.8V Nominal |
Chemistry |
LiFePO4 (Lithium Iron Phosphate) |
Cold Cranking Amps (CCA) |
1100A |
Peak Discharge Current |
800A @ 10 seconds |
Continuous Discharge |
150A Maximum |
Max Charge Current |
100A (165A peak for 1 minute) |
Operating Temperature |
-20°C to 60°C (-4°F to 140°F) |
Weight |
29.7 lbs |
Dimensions (L×W×H) |
12.25" × 6.75" × 9" |
Recommended Applications
This high-performance LiFePO4 battery works well in demanding applications where reliability is important:
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Marine & Boating: Trolling motors, fish finders, and engine starting
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RV & Camping: Solar setups, appliances, and engine cranking
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Off-Road & Overlanding: Reliable power for winches, fridges, and vehicle starting
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Car Audio Systems: High cranking amps prevent voltage drop during peak demand
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Solar Energy Storage: Long-lasting deep cycle performance for off-grid systems
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Emergency Backup Power: Dependable power when you need it most
Battery Management System
Our Epoch Pro Series lithium battery features a built-in BMS that provides comprehensive protection and monitoring:
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Over-charge & Over-discharge Protection: Prevents damage from improper charging
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Over-current & Short Circuit Protection: Safeguards against electrical faults
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Temperature Management: Automatic high/low temperature disconnects
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Cell Balancing: Ensures performance and longevity
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Real-time Monitoring: Track voltage, current, temperature, and SOC
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Firmware Updates: Over-the-air updates via Bluetooth app
Installation & Compatibility
Designed for easy installation and compatibility, this Epoch Group 27 marine battery works with:
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Direct Engine Connection: Can be connected directly to alternator
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Charger Brands: Epoch, NOCO, Dual Pro, MinnKota, Pro Mariner, and more
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Series/Parallel Configuration: Up to 4 in series (48V) or 16 in parallel
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Mercury Motor Compatibility: Compatible with Mercury 250hp motors
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Victron Systems: CANBus integration with Victron equipment
Charging Guidelines
To properly charge your Epoch Batteries, verify that any charging component in your system can be programmed for the following specifications. Charging components include converters, inverter chargers, solar charge controllers, DC to DC chargers, and similar equipment.
Charging Parameter |
Specification |
Bulk/Absorption |
14.2V - 14.6V |
Absorption Time |
Two batteries in parallel connections require 30 minutes 200Ah |
Float |
13.4V - 13.8V |
Equalization |
14.4V / Disabled |
Temperature Compensation |
0 / Disabled |
Charge Rate |
50% of battery or battery bank capacity |
Battery Charge Temperature Range |
32°F (0°C) to 131°F (55°C) |
Battery Discharge Temperature Range |
-4°F (-20°C) to 140°F (60°C) |
Cell Charge Temperature |
32°F (0°C) to 131°F (55°C) |
Important Note: Not all chargers are capable of multistage charging. If yours is not, verify it can be programmed for the Bulk/Absorption voltage and have the other items mentioned disabled if applicable. Consult your charger's manual or manufacturer for specific programming instructions.
LiFePO4 Technology Benefits
Lithium Iron Phosphate (LiFePO4) represents advanced battery technology, offering advantages over traditional lead-acid batteries:
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Extended Lifespan: 6000+ cycles vs 300-500 for lead-acid
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Lighter Weight: 60% lighter than equivalent lead-acid batteries
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Faster Charging: Accepts charge faster than lead-acid
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No Memory Effect: Partial charging doesn't reduce capacity
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Consistent Power: Stable voltage throughout discharge cycle
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No Maintenance: No watering, equalizing, or sulfation concerns
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Eco-Friendly: Non-toxic and recyclable
Certifications & Compliance
Our Epoch 120Ah lithium battery meets industry standards:
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UL1973 Certified: Safety standard for energy storage systems
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RoHS Compliant: Restriction of hazardous substances
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CE Marked: European conformity standards
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Magnuson-Moss Warranty Act: Vehicle warranty protection