Epoch Batteries 36V 50Ah Heated LiFePO4 Battery With Bluetooth

Epoch Batteries 36V 50Ah Heated LiFePO4 Battery With Bluetooth

This 36V 50Ah Essential Series LiFePO4 deep-cycle battery provides 1.92kWh of stored energy in a compact Group 31 footprint. It features internal heating for cold-weather charging, Bluetooth monitoring, Smart BMS protection, IP65 enclosure protection, and support for parallel expansion for compatible trolling motor, marine, solar, off-grid, and 36V power systems.

Key Features

• 50Ah LiFePO4 Capacity: Provides 50Ah of nominal capacity and 1.92kWh of stored energy at a nominal 38.4V.
• 100A Continuous Discharge: Supports up to 100A continuous discharge for compatible 36V loads and trolling motor applications.
• 130A Peak Discharge: Provides a peak discharge rating of 130A for up to 10 seconds for compatible short-duration loads.
• 100A Maximum Continuous Charge: Supports up to 100A continuous charging with compatible LiFePO4 charging equipment.
• Internal Heating: Built-in heating supports charging in cold conditions within the specified temperature range.
• Bluetooth Monitoring: Compatible with iOS and Android apps for monitoring battery capacity, voltage, current, temperature, and battery status.
• Smart BMS Protection: Integrated Battery Management System provides protection against overcharge, over-discharge, over-current, short circuits, and high or low temperature conditions.
• IP65 Enclosure: Provides dust-tight and water-resistant protection for suitable marine, outdoor, and mobile installations.
• Parallel Expansion: Supports up to four matched batteries in parallel for increased 36V capacity and runtime.
• Group 31 Footprint: Compact dimensions are suitable for compatible Group 31 battery trays and marine installations.
• 4,000+ Cycle Life: Designed for repeated deep-cycle use with maintenance-free LiFePO4 chemistry.
• 11-Year Warranty: Backed by an 11-year manufacturer warranty.

Specifications

• Brand: Epoch Batteries
• Model / SKU: 3650A-H
• Series: Essential Series
• Battery Type: Heated Bluetooth Deep-Cycle LiFePO4 Battery
• Primary Use: 36V trolling motor, marine deep-cycle, and compatible 36V power systems
• Battery Footprint: Group 31
• Chemistry: LiFePO4 / Lithium Iron Phosphate
• Cell Type: Prismatic LiFePO4
• Cell Configuration: 12S
• System Voltage: 36V
• Nominal Voltage: 38.4V
• Nominal Capacity: 50Ah
• Stored Energy: 1.92kWh
• Operating Voltage Range: 30.0V to 43.8V
• Maximum Charge Voltage: 43.8V
• Maximum Continuous Discharge: 100A
• Maximum Continuous Charge Current: 100A
• Maximum Charge Current: 120A for 10 seconds
• Maximum Discharge Peak Current: 130A for 10 seconds
• Series Configuration: Maximum 1 battery in series
• Parallel Configuration: Maximum 4 batteries in parallel
• Maximum Parallel Capacity: Up to 200Ah with four matched batteries
• Bluetooth: Yes
• Internal Heating: Yes
• Low-Temperature Charge Protection: Yes
• Cycle Life: 4,000+ cycles
• Warranty: 11-year manufacturer warranty
• Charge Temperature Range: -20°C to 55°C / -4°F to 131°F, with heating
• Cell Charge Temperature Range: 0°C to 55°C / 32°F to 131°F
• Discharge Temperature Range: -20°C to 60°C / -4°F to 140°F
• Recommended Storage Temperature: 0°C to 35°C / 32°F to 95°F, maximum 12 months
• Length: 13.0 inches / approximately 33.02 cm
• Width: 6.8 inches / approximately 17.27 cm
• Height: 9.44 inches / approximately 23.98 cm
• Overall Dimensions: 13.0 × 6.8 × 9.44 inches
• Weight: 35 lb / approximately 15.88 kg
• Case Material: ABS and PC blend, UL94-V0 flame rating
• Enclosure Protection: IP65
• Terminal Type: M8 female

Recommended Use

Suitable for compatible 36V trolling motor systems, bass boats, fishing boats, pontoons, skiffs, marine electronics, auxiliary 36V loads, solar energy storage, off-grid systems, and other 36V deep-cycle applications where voltage, current, fitment, and charging requirements match.

Charging Specifications

• Bulk / Absorption Voltage: 42.6V to 43.2V
• Absorption End Condition: Stop when charge current is ≤ C/20 or after 15 minutes maximum
• Float Voltage: Disabled preferred, or 40.0V to 40.8V
• Re-Bulk Voltage: 39.6V
• Temperature Compensation: 0mV/°C / none
• Equalization: Disabled
• Recommended Charge Rate: 50% of the battery or battery-bank capacity
• Battery Charge Temperature: 0°C to 55°C / 32°F to 131°F
• BMS High-Voltage Cutoff: 43.8V
• SoC Recalibration: 43.8V

Compatible Applications

Designed for compatible 36V trolling motor systems, marine deep-cycle applications, boat electronics and auxiliary loads, solar and off-grid power systems, and parallel 36V battery banks. Verify motor requirements, charger settings, battery fitment, wiring, fusing, and system compatibility before installation.

Installation Note

This battery is designed as a 36V deep-cycle LiFePO4 system and supports up to four batteries in parallel. Do not connect this model in series. Use properly sized marine-grade cabling, fuses, disconnects, terminals, and LiFePO4-compatible charging equipment.

This 36V 50Ah LiFePO4 battery provides compact deep-cycle energy storage with internal heating, Bluetooth monitoring, Smart BMS protection, IP65 enclosure protection, and scalable parallel capacity for compatible 36V systems.