One Battery. Unlimited Power.
Epoch 12V 300Ah Pro Series – Cranking & Deep Cycle LiFePO4 Battery
The Epoch 12V 300Ah Pro Series is a true powerhouse—offering exceptional cranking amps and massive deep cycle capacity in one heavy-duty LiFePO4 battery. Designed for serious marine, RV, and off-grid users, this dual-purpose battery gives you the freedom to start engines and run appliances with zero compromises. Built to perform. Built to last.
Key Features:
⚡ Dual-Purpose Performance
Combines high cold cranking amps (CCA) for engine starting with deep cycle power for running electronics, appliances, and solar setups.
🔋 Massive 300Ah Capacity
Store over 3,800Wh of energy—perfect for extended off-grid adventures, multi-day trips, or as a primary power bank for solar storage.
🧠 Smart BMS Protection
Integrated Battery Management System defends against overcharge, over-discharge, short circuits, and extreme temps—ensuring safe and efficient performance in all conditions.
⚙️ High Discharge Rate
Delivers high continuous and surge current—perfect for running heavy-duty equipment or powering high-demand setups.
⚡ LiFePO4 = Longevity & Efficiency
Over 4,000 charge cycles, faster charging, lightweight design, and zero maintenance—outperforms lead-acid in every way.
💪 Rugged, Vibration-Resistant Build
Built to handle tough environments, including rough roads, choppy waters, and extreme weather.
Specs at a Glance:
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Capacity: 300Ah
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Voltage: 12.8V nominal
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Energy: 3,840Wh
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Cycle Life: 4000+ cycles (@80% DOD)
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Cold Cranking Amps (CCA): High output for engine starting
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Max Continuous Discharge: 300A
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Peak Discharge: 600A (10 sec)
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Weight: ~72 lbs
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Dimensions: L x W x H (space-efficient design)
Ideal For:
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Large Marine Engines & House Systems
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RV Start & House Power
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Off-Grid Cabins & Solar Energy Storage
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Utility & Service Vehicles
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Backup Power Solutions
Warranty & Certifications
✅ 5-Year Limited Warranty
✅ FCC, CE, UN38.3 Certified
✅ US-Based Technical Support
Choose the Epoch 12V 300Ah Pro Series for unmatched power, dual functionality, and long-term performance—wherever your adventures take you.
User Manual
