The Epoch Batteries 12V 300Ah (3.84kWh) Pro Series - LiFePO4 Cranking & Deep Cycle Lithium Battery (Dual Purpose) is a premium LiFePO4 lithium battery designed in the USA and backed by Epoch's industry-leading 11-year warranty. Built for homeowners, RV owners, marine users, and off-grid applications, it delivers thousands of deep-cycle uses, safe lithium iron phosphate chemistry, and a maintenance-free lifespan that typically outlasts three to four lead-acid replacements.

Why Buy This Battery

• Drop-in lithium replacement for 12V/24V/36V/48V lead-acid battery banks
• Safe LiFePO4 chemistry with built-in BMS protection (over-charge, over-discharge, short-circuit, over-temperature)
• Internal self-heating allows charging in sub-zero conditions without damage
• Bluetooth app monitoring for real-time state-of-charge, voltage, current, and cell temperature
• Victron CANBUS integration — communicates directly with Victron inverters, chargers, and MPPT controllers
• Backed by Epoch's 11-year warranty and 100% US-based support team (Atlanta, GA)
• Ships free on orders over $299 from Urban Supply

Key Features

• LiFePO4 Chemistry
• Peak Discharge of 1,000A @ 5s, 800A @ 10s
• Max Charge Current of 300A (Continuous)
• Max Discharge Current of 300A (Continuous)
• Victron Comms - CANBUS entire string of batteries to Victron Ecosystem
• HEATED - Internal heating allows for charging in sub-zero conditions
• BLUETOOTH - iOS and Android Apps
• BLUETOOTH - Over the air Firmware update via the app
• External Battery Gauge - Touch Screen (Optional - Coming soon)
• Communications Box for more Inverter, NMEA2k compatibility (Optional - Coming soon)
• IP67 Rated, Dust and WATERPROOF
• Over current and short circuit protection
• High & low temperature disconnects
• Max (4) in Series up to 48V
• Max (16) in Parallel

Specifications

• Peak Discharge of 1,000A @ 5s, 800A @ 10s
• Max Charge Current of 300A (Continuous)
• Max Discharge Current of 300A (Continuous)
• Max (4) in Series up to 48V

Shipping

Ships free on orders over $299. Smaller batteries ship via UPS/FedEx Ground in 3-5 business days. Larger batteries and golf cart kits ship via LTL freight in 5-10 business days. Tracking is provided at dispatch.

11-Year Warranty & US-Based Support

Every Epoch Batteries product is backed by an 11-year manufacturer warranty and 100% US-based support out of Atlanta, GA. Urban Supply coordinates warranty claims directly with Epoch on your behalf. Email [email protected] or call Epoch's support team at 1-888-501-1846 (Mon-Fri 9AM-4PM EDT) for technical assistance.