- 12V 50Ah Epoch Essentials LiFePO4 Battery: Premium deep-cycle chemistry delivering highly reliable, fade-free energy—the perfect compact, drop-in upgrade for smaller trolling motors, marine electronics, and off-grid setups.
- BLUETOOTH System Management: Connect to the free Epoch Pro App (iOS & Android) to monitor individual battery health, or seamlessly manage an entire multi-battery system (e.g., monitor a 3-battery 36V 50Ah trolling setup) from a single screen.
- Highly Expandable Specifications: Easily scale your power system exactly as you need it by safely connecting up to Max (4) in Series (up to 48V), or expanding your capacity in parallel. (Note: We strongly recommend deleting "Unlimited in Parallel" and sticking with your definitive "Max 8 in Parallel up to 400Ah" to eliminate buyer confusion!)
- Advanced Smart BMS: Fully integrated Battery Management System automatically protects your investment from over-charging, over-discharging, short circuits, and extreme high/low temperatures.
- Optimized Weights & Dimensions: A highly portable, lightweight footprint designed to drop easily into tight spaces, significantly reducing the payload of your vessel compared to heavy lead-acid blocks.
- 4,000+ Cycle Life & Maintenance-Free: Enjoy true set-and-forget reliability backed by an industry-leading 11-Year Manufacturer Warrant
Information
Cell Configuration: 4SChemistry: LiFePO4
Current
Ah Capacity: 50Ah
Max Continuous Discharge Amps: 50A
Max Charge Current Amps: 50A
Max Discharge Peak Current Amps: 170A (3 Seconds)
Series | Parallel: Max (4) in Series | Max (4) in Parallel
Voltage
Voltage: 12.8V
Max Charge Voltage: 14.6V
Operating Voltage Range: 10.0 - 14.6V
Temperature
Charge Temp Range: 0°C (32°F) / 55°C (131°F)
Discharge Temp Range: -20°C (-4°F) / 60°C (140°F)
Storage Temp: 0°C (32°F) / 35°C (95°F) (Max 12 Months)
Weights and Dimensions
Tournament Package
We also have a Tournament package with the 105ah batteries and 15 amp charger
Battery Specialist
Drewcraft Marine has a full selection of Lithium Batteries compatible with old and new boats
Lithium Chargers
We have a full line of Lithium compatible chargers for all the major manufactures
Epoch Compatibility
Compatible with the following chargers: Epoch, Noco Gen Pro, Dual Pro PS/ Auto, Minnkota Precision, Pro Mariner/Pro Tournament Elite, Stealth, Troll Bridge DC, Power Pole
Magnuson-Moss Warranty Act: A vehicle manufacturer cannot legally void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)). Epoch Batteries have proprietary software embedded in the Battery Management Systems that make them 100% compatible with Mercury 250 hp motors and other leading brands.
Stealth I Charge on the Go
Drewcraft stocks a full line of Stealth I Charge on the Go Chargers
More Chargers
Frequently Asked Questions
if your charger puts out 14.4 to 14.6v at constant current and has a manual setting for AGM like the Minnkota 440pc and 460pc you can use it for lithium
All outboards with an alternator and most any outboard 2001 and newer are fine to use a lithium starter battery.
