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Product learning

Is LiFePO4 the same as lithium ion?

2019-11-01



LiFePO4. Individual LiFePO4 cells have a nominal voltage of about 3.2V or 3.3V. We use multiple cells in series (usually 4) to make up a lithium iron phosphate battery pack. ... To reach the same density as lithium-ion cells, we need to stack lithiumiron phosphate cells in parallel to increase their capacity.


All lithium-ion batteries work in broadly the same way. When the battery is charging up, the lithium-cobalt oxide, positive electrode gives up some of its lithiumions, which move through the electrolyte to the negative, graphite electrode and remain there. The battery takes in and stores energy during this process.


Using four lithium iron phosphate cells in series, gives us roughly ~12.8-14.2 volts pack when full. This is the closest thing we’re going to find to a traditional lead-acid or AGM battery.


Lithium iron phosphate cells have greater cell density than lead acid, at a fraction of the weight.


Lithium iron phosphate cells have less cell density than lithium ion. This makes them less volatile, safer to use, an offers almost an one-to-one replacement for AGM packs.

To reach the same density as lithium-ion cells, we need to stack lithium iron phosphate cells in parallel to increase their capacity. So lithium iron phosphate battery packs with the same capacity of a lithium ion cell, will be larger, as it requires more cells in parallel to achieve the same capacity.


Lithium iron phosphate cells can be used in high- temperature environments, where lithium ion cells should never be used above +60 Celsius.

The typical estimated life of a Lithium iron phosphate battery is 1500-2000 charge cycles for up to 10 years.


Typically a lithium iron phosphate pack will hold its charge for 350 days.

lithium iron phosphate cells have four times (4x) the capacity of lead acid batteries.



 LiFePO4 battery packs


Fello Tech Co., Ltd established in 2005, is specialized in the research and manufacturer of lithium polymer battery, li-ion battery, LiFePO4 battery and primary lithium batteries. It occupies more than 30000 squares feet of floor space and employs more than 1000 skillful workers in production team with more than 40 experienced engineers and technician and becomes one of the most innovative lithium batteries manufacturer in the industry.


With 15 year’s of battery engineering and design experience, Fello Tech provides customers with effective and efficient battery solutions. Fello Tech has a proven reputation with a broad customer base for the supply of high safety batteries, battery packs and customized batteries. Our dedicated inhouse team will design, build and supply you the most advanced range of the batteries supported with the reassurance of first class quality standards.


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If you need any lithium battery or battery packs, please send us your detailed information about the voltage, the capacity and the size.