Epoch 12V 300Ah Pro Series LiFePO4 Cranking Deep Cycle Lithium Battery
Epoch 12V 300Ah Pro Series LiFePO4 Cranking
Epoch 12V 300Ah Pro Series LiFePO4 for Marine
Epoch 12V 300Ah Pro Series LiFePO4 for Marine and sailboat
Epoch 12V 300Ah Pro Series LiFePO4 for RVs
Epoch 12V 300Ah Pro Series LiFePO4 for sailboat
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Epoch 12V 300Ah Pro Series LiFePO4 Cranking Deep Cycle Lithium BatteryEpoch 12V 300Ah Pro Series LiFePO4 Cranking Epoch 12V 300Ah Pro Series LiFePO4 for MarineEpoch 12V 300Ah Pro Series LiFePO4 for Marine and sailboatEpoch 12V 300Ah Pro Series LiFePO4 for RVsEpoch 12V 300Ah Pro Series LiFePO4 for sailboat

Epoch 12V 300Ah LiFePO4 Battery Cranking Deep Cycle Pro

Epoch Batteries
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Authorized Dealer - Full Warranty Included

SKU DP12300H

Cranking + Deep Cycle
IP 67 Waterproof
iOS, Android Apps
6000+ Cycles
Advanced BMS
Internal Heating
Safe & Reliable
Price:
$1,499.00

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In stock (10 units), ready to be shipped

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Safety Notice

  • 38.3 CERTIFIED LITHIUM BATTERY
  • 18+ only

Read User Manual & Safety Sheet before installation

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12V 300Ah Pro Series LiFePO4 Cranking & Deep Cycle Lithium Battery

Power for Marine, RV, and Off-Grid Applications
LiFePO4 lithium technology delivers deep cycle performance with cranking capability. This dual-purpose battery provides capacity and longevity for demanding power applications.

Key Applications & Benefits

Marine Vessels

Boats, yachts, fishing vessels - powers electronics, lighting, and emergency engine starting

RV & Motorhomes

House batteries for appliances, lighting, and off-grid camping power systems

Solar Energy Storage

Off-grid cabins, backup power systems, and renewable energy installations

Industrial Equipment

Forklifts, golf carts, and commercial equipment requiring power

Emergency Backup

Critical systems requiring uninterrupted power supply and long-term operation

Key Performance Features

Victron Communications, Self-Heating & Bluetooth

Connectivity with Victron systems, internal heating for cold weather operation, and wireless monitoring capabilities

300A Continuous Charge & Discharge

High-performance charging and discharging for demanding applications and fast system recovery

Cranking Power: 1,000A @ 5s, 800A @ 10s

Engine starting power for marine and RV applications with extended cranking capability

Technical Features

LiFePO4 Chemistry

Lithium iron phosphate technology with 6000+ cycle lifespan

Dual Purpose Design

300A continuous discharge with 1,000A peak cranking power for 5 seconds

Fast Charging

Accepts up to 300A charge current from solar, shore power, or alternator systems

All-Weather Operation

Internal heating system enables charging in temperatures down to -4°F

Marine Grade

IP67 dust and waterproof rating for harsh environments

Smart Protection

Built-in over-current, short circuit, and temperature protection systems

Expandable System

Connect up to 4 in series (48V) or 16 in parallel for larger installations

Lightweight Design

81 lbs replaces multiple AGM batteries with superior performance

Maintenance-Free

No watering, no terminal cleaning, no regular maintenance required

Product Specifications

Specification Value
Capacity 300Ah
Voltage 12.8V Nominal
Max Continuous Discharge 300A
Peak Discharge 1,000A @ 5 seconds
Max Charge Current 300A
Operating Temperature -4°F to 140°F discharge, -4°F to 131°F charge
Dimensions 19.7" L × 10.5" W × 9.75" H
Weight 81 lbs
Cycle Life 6000+ cycles at 80% DOD
Protection Rating IP67 (Dust & Waterproof)
Battery Chemistry LiFePO4 (Lithium Iron Phosphate)
Standard Compliance UL1973, RoHS, CE

Recommended Charging Settings

Manufacturer Recommended Settings: Verify your charging equipment can be programmed for these specifications:

Setting Value
Bulk/Absorption 14.2V – 14.6V
Absorption Time 30 minutes for parallel connections (200Ah)
Float 13.4V – 13.8V
Equalization 14.4V or Disabled
Temperature Compensation Disabled
Charge Rate Up to 50% of battery capacity
Charge Temperature Range 32°F (0°C) to 131°F (55°C)
Discharge Temperature Range -4°F (-20°C) to 140°F (60°C)

Note: Compatible with solar controllers, inverter/chargers, converters, and DC-DC chargers. Consult your charger manual for programming instructions.

Installation & Compatibility

Installation: Recommended for marine and RV applications to ensure proper securing and electrical connections meet safety standards.

Battery Replacement: Direct replacement for Group 27, Group 31 batteries, and multiple AGM battery banks in recreational vehicles, boats, off-grid cabins, and backup power systems.

Charging System Compatibility: Works with solar charge controllers, shore power inverter/chargers, and alternator-based DC-DC chargers. Compatible with multiple charging sources simultaneously.

System Integration: Compatible with major inverter brands including Victron, Schneider, Sol-Ark, Growatt, and other power system manufacturers.

Marine Engine Compatibility: Battery Management System software ensures compatibility with Mercury 250hp outboard motors and other leading marine engine brands.

Aftermarket Installation Protection: Under the Magnuson-Moss Warranty Act, vehicle manufacturers must prove that aftermarket parts caused specific failures to void warranties, providing additional consumer protection.

Certifications: UL1973, RoHS, CE certified for safety and environmental compliance.

Technical Support Available: Our battery specialists provide installation guidance and system configuration assistance. Contact our technical support team for detailed installation guides and compatibility verification.

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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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