40Ah 12.8V Lithium Iron Phosphate (LiFePO4) Smart Battery

40Ah 12.8V Lithium Iron Phosphate (LiFePO4) Smart Battery

Regular price $364.99 Sale

Miller Tech lithium batteries are lightweight, non-toxic, and long lasting compared to traditional lead acid batteries.  Each battery has a built in battery management system (BMS) which provides safety and proper charging/discharging.  Each battery also features a built in state of charge (SoC) meter which allows you to conveniently check the voltage and remaining charge of the battery without a multimeter.

Miller Tech lithium batteries are guaranteed for 5 years with a free repair/replace warranty.  Each battery will last over 2,000 cycles at 100% discharge with at least an 80% capacity remaining!

40Ah 12.8V LiFePO4 Deep Cycle Smart Battery Specifications:

  • Efficiency:  98%
  • Max charge voltage:  14.6V
  • Cut off voltage:  10.5V
  • Max charge/discharge current:  40A
  • Peak discharge current:  120A for 5 seconds
  • Operating temperature:  -10F to 130F
  • Weight:  16 pounds
  • Size:  9" x 5.5" x 8"
  • Warranty:  5 years
  • Cycle life @ 100% depth of discharge:  2000 cycles (>80% capacity remaining)
  • Cycle life @ 80% depth of discharge:  3000 cycles (>80% capacity remaining)
  • Cycle life @ 60% depth of discharge:  5000 cycles (>80% capacity remaining)
  • Cycle life @ 40% depth of discharge:  8000 cycles (>80% capacity remaining)