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Lithium battery LiFePO4 for Electric Bike

Lithium battery LiFePO4 for Electric Bike
Product name : Lithium battery LiFePO4 for Electric Bike Item : removeable battery
There are two kinds of main lithium battery in the world.
Li2MnO4 :lifetime 2-3 years      in general, use in electric bikes.
LiFePO4 :lifetime 5-7 years      after 3years using 80% performance left. 
             Li2MnO4 a little cheaper than  LiFePO4 .in general, use in electric escooters
Remark:Good quanlity Silicon battery and lead acid lifetime 2-3years. after 1year 75% performance left. 
            the price (lead acid )is 1/4 of lithium battery.So most users will choose lead acid.
 
 Weight:   36/10ah li-battery(4kgs)      60v/20ah li-battery(14kgs)  
                72v/20ah li-battery(18kgs)   72v/20ah li-battery(20kgs)
                72v/20ah li-battery(23kgs)  
                48v/20ah lead acid (28kgs)  60v/20ah lead acid (30kgs) 
                60v/25ah lead acid (35kgs)   60v/30ah lead acid (45kgs)
Speed and Range with 60V system and 48V system
                                    
60V system  20ah 30ah 35ah  speed 45km/h
                                     Range 60km(20ah)  70km(30ah)  80km(35ah)

                                    60V system  20ah 30ah 35ah  speed 55km/h
                                    Range 40km(20ah)  55km(30ah)  65km(35ah) 

                                    48V system  20ah speed 55km/h  range 30km 
                                    48V system  20ah speed 45km/h  range 45km 
                                    48V system  20ah speed 32km/h  range 60km

                                    72V system  40ah speed 100km/h  range 100km ,
                                    72V system  40ah speed 70km/h   range 120km 

                                    72V system  30ah speed 70km/h  range 80km 
                                    72V system  20ah speed 70km/h  range 60km

500W-800W-1000W-1200W-1500W-2000W can make speed 25-45km/h 
1500w speed 45km/h 50km/h 55km/h       2000W speed 60km/h 65km/h 
 3000W speed 70km/h 80km/h                5000W speed 100km/h 130km/h
Because at the same condition, 60V system ‘s working current 20% less than 48V system. So we advise you choose 60V system. 72v is the best system.

?Question1  How to charge battery . how to make battery have a long life.

1. charge every model full once you receive the Evehicle.because ,
   Battery have Automatic discharge during the shipment.

2.  if one ebike you not drive , at least 30-40days you should charge again. because battery will Automatic discharge.
    No matter you drive or not drive.

3.  if you drive . at the frist begining 3 times charge full pls , 

        after 3tims using  if  the user want to drive in a short time , charge  2-3 hours is ok , he can drive . no problems.

Silicon battery have Memory function. so Silicon battery have More necessary charge full  once charge .
LI- battery have no Memory function. the problems will be less.
BUT Anyway , once charge battery .charge full will be better ,that will make  battery have a longer life .
For short using  ,charge  2-3 hours using  no problems.  
Remark: if you dont use it for many times , like 4 months ,6 months , the battery performance will decrease quickly.
use it everyday . charge the scooter one or two days. battery like discharge and charge.like a person need activity,need sports.
use it , the scooter is not toy , it is our Daily vehicle..


?Question2.1  How the temperature affect Silicon or Acid Lead battery (Range). 
exceed 40        105% performance .
approx 25-35 is suitable weather for battery it will have 100% performance .
less than 20    95% performance .
less than 10    85% performance .
less than 5      70% performance .
less than -10   55% performance .
All is probable data. 

?Question2.2  How the temperature affect Li battery (Range). 
exceed 40        105% performance .
approx 25-35 is suitable weather for battery it will have 100% performance .
less than 20    100% performance .
less than 10    100% performance .
less than 5      100% performance .
less than -10   90% performance .
All is probable data. 

 
ALL above data is just a Theoretical value !! there are many factors will affect the data ,  
such as temperature ,Road conditions,Drive conditions,other conditions .

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