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LiFePo4 Battery Pack

Lithium Iron Phosphate (LiFePO4) is new generationLi-Ion rechargeable battery for high power applications, such asElectric Vehicles, Power Tool , RC hobby.  LiFePO4/Li-Fe-PSO4cells features with high discharging current,  much safe andnon explosive,  but its energy density is lower than normalLi-Ion cell (Li-Co)(higher NiMH cell)  Please click Knowledgeon LiFePO4 battery to learn more detail.

Soon, we’ll probably be seeing Lithium IronPhosphate (LiFePO4) batteries being used in most electric cars andbikes. This new battery type is set to dominate the market. Basedupon lithium ion technology, LiFePO4 batteries offer manyadvantages over lithium cobalt dioxide (LiCoO2) batteries which arecommonly used in laptops, mp3 players and cellphones.

In electric vehicles, LiFePO4 batteries offergreater range, power and safety. They provide full power until theyare completely discharged, and recharge in just 2.5 hours. LiFePO4chemistry is also environmentally friendly — it’s the least toxicof all the battery types.

For electric vehicles and plug-in electric cars, theLiFePO4 batteries will typically perform well in temperatures up to400-degrees F, last for 6 to 7 years at a charge-discharge cycle ofover 3,000.

The biggest player in the LiFePO4 marketplace for electricvehicles, however, is A123 Systems that has teamed up with GM todevelop these batteries for the Chevy Volt plug-in hybrid. Anotherbig player is Lithium Technology Corporation who has been workingwith GM, Toyota and U. C. Davis to develop LiFePO4 batteries for all-electric andhybrid vehicles.

Here’s a list of all the advantages of LiFePo4batteries:
Safe technology — will not catch fire or explode withovercharge
Over 2000 discharge cycles life compared to typically around 300for lead acid
Double the usable capacity of similar amp hour lead acidbatteries
Virtually flat discharge curve means maximum power available untilfully discharged (no “voltage sag” as with lead acid batteries)
High discharge rate capability,
10C continuous, 20C pulse discharge
Unlike lead acid batteries, can be left in a partially dischargedstate for extended periods without causing permanent damage
Extremely low self discharge rate (unlike lead acid which will goflat quite quickly if left sitting for long periods)
Does not suffer from “thermal runaway”
Can be used safely in high ambient temperatures of up to
60C without any degradation in performance
Maintenance free for the life of the battery
Can be operated in any orientation
Does not contain any toxic heavy metals such as lead, cadmium, norany corrosive acids or alkalies thus making LiFePO4 batteries themost environmentally friendly battery chemistry available
LiFePO4 cells are of solid construction — there are nofragile/brittle plates made of lead which can be prone to failureover time as a result of vibration
Can be safely rapidly recharged — when fully discharged can bebrought to a state of over 90% fully charged in 15 minutes

lifepo4 battery pack

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