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Epoch 48V 50Ah Marine Lithium Battery – Heated, Bluetooth & Waterproof LiFePO4 Deep Cycle
Epoch 48V 50Ah heated LiFePO4 marine battery with Bluetooth, IP67 waterproof design, smart BMS, 3500+ cycles, and 11-year warranty.
Reference: B4850A
In Stock: 5
$1,099.00
Available for local pickup at our Miami or Fort Lauderdale location
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The Epoch 48V 50Ah Heated & Bluetooth LiFePO4 Battery is the ultimate power solution for marine, RV, and off-grid applications requiring efficiency, reliability, and long lifespan. Designed with advanced LiFePO4 chemistry, this deep-cycle battery delivers consistent power, superior safety, and over 3,500 life cycles, far outperforming lead-acid or AGM alternatives.
Its integrated heating system allows safe charging in freezing temperatures, while Bluetooth connectivity lets users monitor battery health, voltage, current, temperature, and state of charge in real time via the Epoch App (iOS & Android). The Smart Battery Management System (BMS) provides comprehensive protection against overcharge, over-discharge, short circuits, and temperature extremes for maximum safety and performance.
Constructed for harsh environments, this model is IP67 waterproof and dustproof, ensuring total resistance to moisture, saltwater spray, and vibration. Whether used for electric propulsion, trolling motors, or renewable energy systems, the Epoch 48V 50Ah battery offers long-lasting, maintenance-free power backed by an 11-year manufacturer warranty.
Key Features
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48V 50Ah LiFePO4 Deep Cycle Battery – designed for marine, RV, solar, and off-grid systems
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Built-in internal heating – allows safe charging below freezing temperatures
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Bluetooth-enabled monitoring – check performance via iOS & Android devices
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Smart BMS protection – prevents overcharge, discharge, short circuit & thermal overloads
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IP67 waterproof & dustproof – built to handle salt, humidity, and extreme weather
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3500+ charge cycles – dependable, long-life lithium performance
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Series & parallel capable – up to 96V or 200Ah configurations
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Lightweight, maintenance-free, and eco-friendly
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11-year manufacturer warranty
| Epoch 48V 50Ah Heated & Bluetooth LiFePO4 Battery – Technical Specifications | |
|---|---|
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Battery Type | Deep Cycle – Heated & Bluetooth Series |
| Nominal Voltage | 48V |
| Capacity | 50Ah |
| Max Continuous Discharge | 100A |
| Max Continuous Charge | 150A (10 Seconds) |
| Peak Discharge Current | 150A (30 Seconds) |
| Cell Configuration | 16S |
| Series Configuration | Up to 2 Batteries (96V System) |
| Parallel Configuration | Up to 4 Batteries (200Ah Total) |
| Max Charge Voltage | 58.4V |
| Operating Voltage Range | 40V – 58.4V |
| Cycle Life | 3,500+ Cycles |
| Ingress Protection | IP67 – Fully Dust & Waterproof |
| Heating System | Automatic Internal Heating for Cold-Weather Charging |
| Bluetooth Connectivity | Epoch Smart App (iOS & Android) |
| Smart BMS Protections | Overcharge, Over-discharge, Overcurrent, Short Circuit, High & Low Temp Disconnects |
| Charge Temperature Range | -20°C to 55°C (-4°F to 131°F) with heating |
| Discharge Temperature Range | -20°C to 60°C (-4°F to 140°F) |
| Storage Temperature | 0°C to 35°C (32°F to 95°F) – Max 12 Months |
| Dimensions (L × W × H) | 14.75" × 15.25" × 11.5" |
| Weight | 66 lbs |
| Certifications | UL1973, CE, RoHS |
| Warranty | 11 Years (Manufacturer) |
Recommended Charging Settings
|
Setting |
Value |
|---|---|
|
Bulk / Absorption Voltage |
56.8V – 58.4V |
|
Absorption Time |
30 minutes per 200Ah in parallel setups |
|
Float Voltage |
54.0V – 54.8V |
|
Equalization |
Disabled |
|
Temperature Compensation |
0 mV/°C (none) |
|
Charge Rate |
50% of total battery capacity |
|
Charge Temperature Range |
-20°C to 55°C (-4°F to 131°F) with heating |
|
Discharge Temperature Range |
-20°C to 60°C (-4°F to 140°F) |
|
BMS High Voltage Cutoff |
58.4V |
|
SoC Recalibration Voltage |
58.4V |
Warranty & Compliance
The Epoch 48V 50Ah Heated & Bluetooth LiFePO4 Battery complies with UL1973, CE, and RoHS standards, ensuring superior safety and environmental responsibility. Backed by an 11-year manufacturer warranty, this battery provides long-term reliability and is covered under the Magnuson-Moss Warranty Act (15 U.S.C. 2302(C)), meaning it won’t void your OEM marine or solar equipment warranties.