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Epoch 12V 50Ah | Heated & Bluetooth | LiFePO4 Battery

BY: Epoch Batteries | SKU: B1250B Availability: In Stock
Original Price $499.00
Current Price $299.00
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The Epoch 12V 50Ah Heated & Bluetooth LiFePO4 Battery is a rugged and smart power solution built for all-weather performance. Designed specifically for marine, off-grid, and RV applications, this battery features advanced heating technology for cold-weather charging and Bluetooth connectivity for real-time monitoring. With a long cycle life, waterproof build, and dependable lithium iron phosphate chemistry, it's ideal for those who demand both intelligence and durability in their energy systems.

Epoch 12V 50Ah | Heated & Bluetooth | LiFePO4 Battery Features

Built-In Heating System
Charge in freezing temps – The integrated heating allows the battery to charge safely even when temperatures drop below 32°F.

Bluetooth Monitoring
Real-time data access – Use the Epoch app to track charge, temperature, cycles, and health from your phone.

Long Cycle Life
Up to 7,000 cycles @ 80% DOD – Built for years of reliable use with minimal capacity loss.

Waterproof & Durable (IP67)
Fully sealed and submersible – Built to handle marine and outdoor environments without compromise.

High Discharge Rate
150A continuous and 250A peak (3 sec) – Powers trolling motors, inverters, and high-demand devices easily.

Epoch 12V 50Ah | Heated & Bluetooth | LiFePO4 Battery Applications

  • Trolling motors and marine gear – Reliable for fishing trips and boat power

  • RV and vanlife power systems – Lightweight and long-lasting for mobile energy setups

  • Off-grid solar storage – Efficient storage for small home or cabin systems

  • Cold-weather applications – Internal heating system ensures safe charging below freezing

  • Backup power – Compact and dependable option for emergency storage

  • DIY battery builds – Perfect for users creating custom 12V battery banks

What’s Included?

  • Epoch 12V 50Ah | Heated & Bluetooth | LiFePO4 Battery

  • User Manual

Epoch 12V 50Ah | Heated & Bluetooth | LiFePO4 Battery Specifications

Manufacturer Epoch Batteries
Model B1250B
Chemistry LiFePO4
Nominal Capacity 50Ah
Continuous Discharge Rating 100A, 150A (30 seconds)
Maximum Charge Rating 50A
Cycle Life 3,500 cycles (70% DOD)
Nominal Voltage 12.8V
Heated Yes
Bluetooth Yes
Waterproof IP67
Approx. Dimensions (LxWxH) 13.1in x 10.2in x 10.2mm
Approx. Weight 22lbs
Country of Origin China
Connect in Series Yes, max 2
Connect in Parallel Yes, max 4

Frequently-Asked Questions

Can this battery charge in freezing temperatures?
Yes! It includes a self-heating function that activates when the battery detects charging in cold conditions, allowing safe operation in sub-zero weather.

How do I monitor the battery on my phone?
Simply download the Epoch Battery app and connect via Bluetooth. You can see voltage, state of charge, cycle count, and temperature in real time.

Is this safe to mount inside an RV or boat?
Absolutely. It's IP67 waterproof, sealed, and safe for interior installations as well as harsh outdoor environments.