12V Lithium Batteries

12V LiFePO4 Lithium Batteries from Epoch

12 volts is the workhorse voltage for RV house banks, boat starting and house systems, small off-grid solar, and marine trolling motors. Epoch's complete 12V lineup covers capacities from 50Ah daily-driver setups to 460Ah heavy-duty installations, all backed by an industry-leading 11-year warranty.

Capacity Options

12V 50Ah (0.64kWh) — Compact Essentials and B-series batteries. Ideal for sheds, small trolling motors, ice fishing, and secondary starter applications.

12V 100Ah (1.28kWh) Eco Series — The best-value LiFePO4 option in the lineup. Drop-in Group 27/31 replacement for lead-acid house banks.

12V 105Ah Essentials — Group 24 form factor, Bluetooth + heated. The go-to for RV houses with limited compartment space.

12V 172Ah Dual Purpose (Essentials) — Group 31 cranking + deep cycle for marine applications needing both engine-start and house-load duty.

12V 300Ah Pro Series (Group 8D) — Heavy-duty dual-purpose for commercial marine, shuttle buses, and work vehicles.

12V 300Ah Essentials / 12V 314Ah Eco — The RV and solar enthusiasts' favorite. 3.84kWh-4.02kWh of usable capacity in a single battery.

12V 334Ah / 12V 460Ah Essentials — Max-capacity 12V batteries for large RV house banks and small off-grid homes.

12V 460Ah V2 Elite (C12460A) / V2-T Elite (C12460A-A) — Top-tier builds with Victron CANBUS, IP67 waterproofing, and factory inverter integration.

Common Applications

• RV house banks — replace 2-4 lead-acid 6V or 12V batteries with a single 12V Epoch
• Marine — dual-purpose cranking + deep cycle for bass boats, center-consoles, sailboats
• Solar ground-mounts and off-grid cabins — pair with 1-5kW PV arrays and a 12V inverter
• Trolling motors — extended runtime over lead-acid at half the weight
• Camper vans and overland builds — compact, safe LiFePO4 chemistry for enclosed living spaces

Why LiFePO4?

• 11-year warranty — longest in the industry
• 6,000+ deep-cycle uses vs. 500-1,500 on lead-acid
• 100% usable capacity — discharge fully without damage
• Bluetooth monitoring on all Essentials models — check state-of-charge from your phone
• Internal heating allows safe charging below freezing

Shipping & Warranty

Ships free on orders over $299. Most 12V models ship via UPS or FedEx Ground in 3-5 business days. Every battery is backed by Epoch's 11-year manufacturer warranty with 100% US-based support at 1-888-501-1846 (Mon-Fri 9AM-4PM EDT).