Epoch 12V 50Ah Marine Battery - Lithium Trolling Motor Battery

This is Epoch's 12V 50Ah LiFePO4 battery, purpose-built for trolling motors, kayaks, small boats, and other marine 12-volt applications where weight and reliable deep-cycle power matter. Every specification in the original listing checked out exactly against Epoch's current official product page — capacity, discharge and charge ratings, voltage range, temperature ranges, dimensions, cycle life, and warranty all matched, so no factual corrections were needed here.

The battery stores its capacity across a 4-cell (4S) LiFePO4 configuration, delivering 100A of continuous discharge with the ability to handle 150A charge current for short 10-second bursts and 150A peak discharge for 30 seconds. Internal heating allows charging down to -20°C (-4°F), extending its usable season into colder weather that would stop many other lithium batteries from charging at all. The sealed IP67 case protects against dust and water immersion, and Bluetooth connectivity lets you monitor the battery's status from Epoch's mobile app.

Up to four of these batteries can be wired in series for 48V systems, or in parallel for up to 200Ah of combined capacity, giving some flexibility for larger battery bank builds.

Orders ship within 1–5 business days. Shipping rates vary by order and destination. We ship across the U.S., with additional charges for Hawaii and Alaska. For damaged, lost, or delayed orders, please contact us for assistance.

Most products include a 12-month limited warranty covering manufacturer defects. Warranty terms may vary by product, especially lithium batteries and electrical components. Damage from improper installation, misuse, or normal wear is not covered.

Returns are accepted within 30 days of delivery for a full refund or exchange. Items must be new, unused, and undamaged, with the original order number provided. Customers are responsible for return shipping on unwanted or incorrectly ordered items. Lithium batteries must be unused and sealed to qualify for return. Damaged, defective, or incorrect orders should be reported immediately.