By buying this product you can collect up to 75 Citimarine points. Your cart will total 75 points that will be converted into a voucher of $7.50 towards your next purchase! Must be logged in to collect points.
Epoch 36V 50Ah Marine Lithium Battery – Essential Series Heated & Bluetooth LiFePO4 Deep Cycle
Epoch 36V 50Ah LiFePO4 heated marine battery with Bluetooth, smart BMS, IP54 weatherproof design, 4000+ cycles, and 11-year warranty.
Reference: 3650A-H
In Stock: 5
$699.00
Available for local pickup at our Miami or Fort Lauderdale location
Free Shipping on Orders over $99
*On Orders Over $99; Not including: Hazardous, Oversize, Greater than (+150 lbs.) or Freight Advertised Products. FEDEX Ground Shipping / Continental US Only
Shipping Calculator
Power your marine adventures, trolling motors, and off-grid systems with the Epoch 36V 50Ah Essential Series Heated & Bluetooth LiFePO4 Battery. Engineered for performance, reliability, and convenience, this advanced lithium battery delivers long-lasting deep-cycle power with Bluetooth monitoring, internal heating, and a smart Battery Management System (BMS) for total system protection.
Built using proven LiFePO4 chemistry, the 36V 50Ah model offers 4000+ cycles, over 95% energy efficiency, and an IP54 weatherproof rating—making it ideal for marine, RV, and solar applications. The self-heating system enables safe charging in freezing temperatures, ensuring consistent power delivery year-round.
Monitor your battery in real-time using the Epoch mobile app (iOS & Android) to view State of Charge (SOC), voltage, temperature, and more. With up to 4 parallel connections for increased capacity, this compact yet powerful 36V lithium battery is perfect for demanding applications that require lightweight, maintenance-free, and long-lasting energy storage.
Key Features
-
36V 50Ah LiFePO4 deep-cycle marine battery
-
Bluetooth connectivity for live data via Epoch App (iOS & Android)
-
Internal self-heating system for reliable cold-weather charging
-
Smart BMS ensures full system protection from overcharge, deep discharge, and short circuits
-
4000+ cycle life with consistent voltage and performance
-
IP54 weatherproof design – built for marine and off-grid environments
-
Series and parallel capable (up to 4 batteries in parallel)
-
Lightweight and compact – only 35 lbs
-
Maintenance-free and eco-friendly
-
11-year manufacturer warranty
| Epoch 36V 50Ah Essential Series – Technical Specifications | |
|---|---|
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Battery Type | Deep Cycle – Essential Series |
| Nominal Voltage | 36V |
| Capacity | 50Ah |
| Max Continuous Discharge | 100A |
| Max Continuous Charge | 120A (10 seconds) |
| Peak Discharge Current | 130A (10 seconds) |
| Cell Configuration | 12S |
| Series Configuration | 1 (Single Battery System) |
| Parallel Configuration | Up to 4 batteries in parallel |
| Max Charge Voltage | 43.8V |
| Operating Voltage Range | 30V – 43.8V |
| Cycle Life | 4000+ cycles |
| Ingress Protection | IP54 – Weatherproof |
| Heating System | Internal heating for sub-zero charging |
| Bluetooth Connectivity | iOS & Android via Epoch App |
| Smart BMS Protections | Over/under-voltage, short circuit, overcurrent, temperature 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) – up to 12 months |
| Dimensions (L × W × H) | 13.0" × 6.8" × 9.44" |
| Weight | 35 lbs |
| Certifications | UL1973, RoHS, CE |
| Warranty | 11 Years (Manufacturer) |
Recommended Charging Settings
|
Setting |
Value |
|---|---|
|
Bulk / Absorption Voltage |
14.2V – 14.6V per 12V module (43.8V total system voltage) |
|
Absorption Time |
30 minutes per 200Ah in parallel configuration |
|
Float Voltage |
13.4V – 13.8V per 12V module |
|
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) |
|
Storage Temperature |
0°C to 35°C (32°F to 95°F) |
Warranty & Compliance
The Epoch 36V 50Ah Essential Series Heated & Bluetooth LiFePO4 Battery meets UL1973, CE, and RoHS standards, ensuring the highest levels of performance and safety. It comes with an 11-year manufacturer warranty and complies with the Magnuson-Moss Warranty Act (15 U.S.C. 2302(C)), protecting your equipment warranties when used in boats, RVs, or solar setups.