The Benefits of Lifepo4 battery VS Lead-Acid battery

Here are some Benefits to using LiFePO4:

  • Higher capacity for the same physical size of lead acid.
  • Can be discharged to 90% vs lead acid or AGM recommended 50% depth of discharge.
  • Can be discharged at high current rate without losing Ah capacity vs lead acid which can be reduced to 40% Ah rating at high discharge rate.
  • Can be installed indoors with no hydrogen gasses generated.
  • About 1/3 the weight of lead acid.
  • Doesn't need temperature compensation for charging.
  • Installing indoors can reduce cable length which reduces voltage drop and power loss.
  • Installing indoors reduces risk of theft.
  • Installing indoors reduces tongue weight from the front of a trailer.
  • Output voltage is flat during most of the discharge cycle. About 13V
  • Output voltage is higher than lead acid which keeps electronics operating longer.
  • Higher output voltage reduces inverter current draw by approximately 10%.
  • Can be charged faster. Up to .5C vs .2C with lead acid.
  • Absorption mode is at the very end of charge instead of at a typical 80% for lead acid. This drastically reduces charge time.
  • Can last many years (3000 cycles) vs approximately 2-5 years (300 cycles) for lead acid.
  • Holds a charge for up to 1 year (without a load) without the need for a trickle charger.
  • Higher voltage and higher current capability allows generator to start easier without low voltage lag.
  • Can be recharged at least 3000 times and retain 80% of original capacity.
  • Lifetime cost per Ah is about 10% of the cost of lead acid.

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