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ADVANTAGES OF OUR LIFEPO4 BATTERIES
WHAT IS THE BIGGEST ADVANTAGE OF LITHIUM-IRON-PHOSPHATE (LIFEPO4) TYPE BATTERIES?
Lithium-iron-phosphate (LiFePO4) is the safest of the mainstream li-ion battery types. It will not burn or explode in any cases. The nominal
voltage of a LiFePO4 cell is 3.2V (lead-acid: 2V/cell). A 12.8V LiFePO4 battery therefore consists of 4 cells connected in series.
RUGGED
A lead-acid battery will fail prematurely due to sulfation:
• If it operates in deficit mode during long periods of time (i.e. if the battery is rarely, or never at all, fully charged).
• If it is left partially charged or worse, fully discharged (yacht or mobile home during wintertime).
A LiFePO4 battery does not need to be fully charged. Service life even slightly improves in case of partial charge instead of a full charge. This is a
major advantage of LiFePO4 compared to lead-acid. Other advantages are the wide operating temperature range, excellent cycling performance,
low internal resistance and high efficiency (see below). LiFePO4 is therefore the chemistry of choice for demanding applications.
EFFICIENT
In several applications (especially off-grid solar and/or wind), energy efficiency can be of crucial importance.
The round-trip energy efficiency (discharge from 100% to 0% and back to 100% charged) of the average lead-acid battery is 80%.
The round-trip energy efficiency of a LiFePO4 battery is 92%.
The charge process of lead-acid batteries becomes particularly inefficient when the 80% state of charge has been reached, resulting in efficiencies of
50% or even less where several days of reserve energy is required (battery operating in 70% to 100% charged state).
In contrast, a LiFePO4 battery will still achieve 90% efficiency under shallow discharge conditions.
MORE PORTABLE
Saves up to 70% in weight
NOT EXPENSIVE
LiFePO4 batteries are expensive when compared to lead-acid. But in demanding applications, the high initial cost will be more than compensated by
longer service life, superior reliability and excellent efficiency.
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