Epoch Batteries 12V 300Ah Heated LiFePO4 Deep Cycle Battery

Epoch Batteries 12V 300Ah Heated LiFePO4 Deep Cycle Battery

This 12V 300Ah Essential Series LiFePO4 deep-cycle battery provides 3.84kWh of stored energy in a compact Group 31 footprint. It features internal heating for cold-weather charging, Bluetooth monitoring, Smart BMS protection, IP54 enclosure protection, and support for series and parallel configurations for compatible RV, marine, solar, van, and off-grid power systems.

Key Features

• 300Ah LiFePO4 Capacity: Provides 300Ah of nominal capacity and 3.84kWh of stored energy at 12.8V.
• 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 state of charge, voltage, current, temperature, and battery status.
• 200A Continuous Discharge: Supports up to 200A continuous discharge for compatible high-current 12V loads and properly sized inverter systems.
• 400A Peak Discharge: Provides a peak discharge rating of 400A for up to 3 seconds for compatible short-duration loads.
• 200A Maximum Charge Current: Supports up to 200A continuous charging with compatible LiFePO4 charging equipment.
• Smart BMS Protection: Integrated Battery Management System provides protection against overcharge, over-discharge, over-current, short circuits, and high or low temperature conditions.
• Series and Parallel Expansion: Supports up to four batteries in series and four batteries in parallel for compatible 12V, 24V, 36V, and 48V systems.
• Group 31 Format: Compact dimensions are suitable for compatible Group 31 battery compartments and trays.
• IP54 Enclosure: Provides dust protection and splash resistance for suitable protected RV, marine, mobile, and outdoor 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: 12300A-H
• Series: Essential Series
• Battery Type: Heated Bluetooth Deep-Cycle LiFePO4 Battery
• Battery Group Size: Group 31
• Chemistry: LiFePO4 / Lithium Iron Phosphate
• Cell Configuration: 4S1P
• Nominal Voltage: 12.8V
• Nominal Capacity: 300Ah
• Stored Energy: 3.84kWh
• Operating Voltage Range: 10.0V to 14.6V
• Maximum Charge Voltage: 14.6V
• Maximum Continuous Discharge: 200A
• Maximum Continuous Charge Current: 200A
• Recommended Charge Current: 50A
• Peak Discharge: 400A for 3 seconds
• Short-Circuit Protection: 800A @ 500µs
• Series Configuration: Maximum 4 batteries in series, up to 48V systems
• Parallel Configuration: Maximum 4 batteries in parallel, up to 1,200Ah
• Maximum Configuration: 4S4P
• 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
• 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
• Length: 13.75 inches at base / 15.5 inches at handles
• Width: 7.63 inches
• Height: 10.0 inches / 10.5 inches with terminal bolts
• Weight: 58 lb / approximately 26.3 kg
• Case Material: ABS and PC blend, UL94-V0 flame rating
• Enclosure Protection: IP54
• Terminal Type: M8 bolt
• Terminal Torque: 8–12 N·m
• Compliance: UL 1642 cells, UL 9540A cells, IEC 62619:2022, CE, RoHS
• Shipping Classification: UN 38.3, Class 9

Recommended Use

Suitable for compatible RV and camper house-power systems, van and overland auxiliary power, marine house batteries, solar energy storage, off-grid systems, backup power, and 12V trolling motor applications where voltage and current requirements match.

Charging Specifications

• Bulk / Absorption Voltage: 14.2V to 14.4V
• Absorption End Condition: Stop when charge current is ≤ C/20 or after 15 minutes maximum
• Float Voltage: Disabled preferred, or 13.3V to 13.6V
• Re-Bulk Voltage: 13.2V
• Temperature Compensation: 0mV/°C / none
• Equalization: Disabled
• Battery Charge Temperature: 0°C to 55°C / 32°F to 131°F
• BMS High-Voltage Cutoff: 14.6V
• SoC Recalibration: 14.6V

System Expansion

Up to four matched batteries can be connected in series for compatible 24V, 36V, or 48V systems, while up to four matched batteries can be connected in parallel for up to 1,200Ah of 12V capacity. Series and parallel installations require compatible batteries, properly sized cables, fusing, disconnects, busbars, and LiFePO4 charging equipment.

Deep-Cycle Battery Notice

This battery is designed for deep-cycle energy storage and auxiliary power applications. It is not a dedicated engine-cranking battery. For engine starting applications, use a cranking-rated battery or confirm compatibility with the equipment manufacturer.

This 12V 300Ah LiFePO4 battery provides high-capacity deep-cycle energy storage with internal heating, Bluetooth monitoring, Smart BMS protection, and expandable series and parallel configurations.