Epoch 12V 120Ah LiFePO4 Battery | Dual Purpose Marine RV Cranking


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SKU DP12120H

Engine Cranking Battery 800A 10S / 1100CCA
Compatible with outboard motors up to 250hp
Self Heating
Bluetooth iOS, Android Apps
Victron Comm
6000 + Cycles
IP 67 Waterproof
Advanced BMS
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Sale price$799.00

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Safety Notice

  • 38.3 CERTIFIED LITHIUM BATTERY
  • 18+ only

Read User Manual & Safety Sheet before installation

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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

  • 1100 CCA: Cranks outboard engines up to 250hp
  • Dual Purpose Design: Functions as both cranking and deep cycle battery
  • Self-Heating Technology: Charges in conditions down to -20°C
  • Smart Bluetooth Connectivity: Monitor and control via iOS/Android apps
  • Victron Communications: CANBus integration with Victron Cerbo GX systems
  • IP67 Waterproof Rating: Complete dust and waterproof protection
  • 6000+ Cycle Life: Extended lifespan compared to traditional batteries
  • 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:

  • Marine & Boating: Trolling motors, fish finders, and engine starting
  • RV & Camping: Solar setups, appliances, and engine cranking
  • Off-Road & Overlanding: Reliable power for winches, fridges, and vehicle starting
  • Car Audio Systems: High cranking amps prevent voltage drop during peak demand
  • Solar Energy Storage: Long-lasting deep cycle performance for off-grid systems
  • 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:

  • Over-charge & Over-discharge Protection: Prevents damage from improper charging
  • Over-current & Short Circuit Protection: Safeguards against electrical faults
  • Temperature Management: Automatic high/low temperature disconnects
  • Cell Balancing: Ensures performance and longevity
  • Real-time Monitoring: Track voltage, current, temperature, and SOC
  • 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:

  • Direct Engine Connection: Can be connected directly to alternator
  • Charger Brands: Epoch, NOCO, Dual Pro, MinnKota, Pro Mariner, and more
  • Series/Parallel Configuration: Up to 4 in series (48V) or 16 in parallel
  • Mercury Motor Compatibility: Compatible with Mercury 250hp motors
  • 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:

  • Extended Lifespan: 6000+ cycles vs 300-500 for lead-acid
  • Lighter Weight: 60% lighter than equivalent lead-acid batteries
  • Faster Charging: Accepts charge faster than lead-acid
  • No Memory Effect: Partial charging doesn't reduce capacity
  • Consistent Power: Stable voltage throughout discharge cycle
  • No Maintenance: No watering, equalizing, or sulfation concerns
  • Eco-Friendly: Non-toxic and recyclable

Certifications & Compliance

Our Epoch 120Ah lithium battery meets industry standards:

  • UL1973 Certified: Safety standard for energy storage systems
  • RoHS Compliant: Restriction of hazardous substances
  • CE Marked: European conformity standards
  • Magnuson-Moss Warranty Act: Vehicle warranty protection

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Why buy Epoch Batteries?

Innovative lithium battery solutions proudly veteran-owned and engineered in the USA. Enjoy a 11-year warranty, enhanced safety features, and tailored performance for marine, golf carts, RVs, and home energy storage. Trust in their quality craftsmanship and reliable power to support your energy needs, backed by a commitment to excellence. Discover Epoch Batteries through our store. View all Epoch Batteries

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