50Ah 12V LiFePO4 Deep Cycle Battery



SKU: BB5012 Categories: ,


Our 50Ah 12V LiFePO4 deep cycle battery is a drop-in replacement for heavy lead-acid. Weighing in at a sleek 17.6lbs, these batteries will provide you with plenty of power for your adventures!

Perfect for small trolling motors and kayak applications, the 50Ah 12V LiFePO4 deep cycle Battery comes in a convenient bundle designed with kayaks in mind, check it out here.

Take a look at our customer feature on Small Town Bassin’ here or check out his website where he uses our LiFePO4 Deep Cycle battery to power his fishing kayak.

Using only the highest quality materials all Battle Born Batteries are designed and assembled in Reno, NV.


Designed to last 3000-5000 life cycles*, all of our batteries come with a 10-year warranty!

*Approximately 75-80% of the battery capacity will remain after 3000 cycles in applications recharging at 0.5C or lower. We have seen life spans well over 5000 cycles in our lab testing.*

Accepted Voltages for 50 Ah 12 V LiFePO4 deep cycle batteries:

  • Absorption Voltage: 14.2V to 14.6V
  • Float Voltage: 13.4V to 13.8V
  • Equalization Voltage: 14.4V (if Applicable)
  • Absorption Time: 30 minutes per 100Ah battery bank

Operating Temp Range: -4°F (-20°C) to 135°F (57.2°C)

60 Amps Continuous
100 Amps Surge for 30 Seconds
½ Second Surge for Loads Over 200 Amps

The BB5012 uses stable LiFePO4 chemical composition in cylindrical cells and the same built-in battery management system (BMS) technology as our other products.

All batteries ship with 18-8 stainless steel 5/16 – 18 1” and 1 ¼” bolts, brass washers, and 18-8 stainless steel nuts with nylok inserts.

View more battery specs under the “Docs” tab. 

Additional information

Weight 17.6 lbs
Dimensions 7.09 × 7.33 × 8.95 in


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