China 3.2V LiFePO4 Battery Cell manufacturer
Shenzhen RJ Energy Co.Ltd

 6000cycles- 10 years Warranty - Factory Price - OEM/ODM

Home ProductsLithium Battery 12 Volt

Portable Lithium Battery 12 Volt 200ah For Low Speed Tricycle Three-wheeler

Portable Lithium Battery 12 Volt 200ah For Low Speed Tricycle Three-wheeler

    • small.img.alt
    • small.img.alt
    • small.img.alt
    • small.img.alt
  • large.img.alt

    Product Details:

    Place of Origin: China
    Brand Name: RJ
    Certification: MSDS/UN38.3/ROHS/CE/KC
    Model Number: RJ-LFP-12200

    Payment & Shipping Terms:

    Minimum Order Quantity: 5pcs
    Price: USD1-100/pcs (FOB Shenzhen)
    Packaging Details: Carton Package
    Delivery Time: 7days
    Payment Terms: TT
    Supply Ability: 100000Sets
    Contact Now
    Detailed Product Description
    Material: LiFepo4 Voltage: 12.8V
    Capacity: 200AH Lifespan: >20years
    LIfe Cycles: >6000times Weight: 28KG

    Portable Lithium Battery 12 Volt 200ah For Low Speed Tricycle




    Portable Lithium Battery 12 Volt 200ah For Low Speed Tricycle Three-wheeler




    1. Why lithium battery consistency so important?


    Harm of inconsistency of lithium batteries:


    It is very dangerous that a single lithium battery cell with excessive capacity can cause thermal runaway in case of accidents, sharp reaction inside the battery, and excessive energy can be released nowhere in a short time. Especially in the case of insufficient development of safety technology and control capability, the capacity of each battery cells should be restrained.


    The lithium battery pack is composed of a single cell with capacity loss, which conforms to the "barrel principle". The capacity of the worst cell determines the capacity of the whole lithium battery pack.


    Life loss, small capacity of the battery cell, each time is full of discharge, excessive output, it is likely to reach the end of life first. At the end of the life of the battery cells, a group of battery cells welded together will die.



    2. How to Control the Consistency of 12v Lithium Batteries?


    At present, the industry generally adopts lithium battery management system to control the consistency and safety of batteries in the battery pack, so as to protect the 12v lithium battery pack and prolong the service life of the product. The use of lithium battery management system (BMS) can achieve the control of relative consistency of batteries, thus avoiding overcharge and overdischarge which may be caused by inconsistent use of batteries and prolonging the service life of lithium iron phosphate batteries. Battery management system with balancing function links the inconsistency of battery packs to a certain extent, which maximizes the capacity and energy utilization of lithium battery packs


    From the analysis of the experimental data, 12v lithium battery pack with BMS is charged by charging and discharging equipment or charger, and the highest voltage usually occurs at the initial stage of constant voltage charging. It is objective that the initial small voltage of the 12v lthium battery in the battery pack is inconsistent. Although the initial voltage is inconsistent, and can be balanced in the constant voltage charging process, the inconsistency of the battery voltage can be adjusted to a certain extent.


    However, in the long-term use, the inconsistency of batteries in 12v lithium batteries will be aggravated under the catalysis of temperature field, which may lead to overcharge or overdischarge in the process of charging and discharging. Of course, the management system of lithium batteries will sacrifice the charging and discharging capacity of fractional batteries to ensure the consistency of batteries on the premise of ensuring safety.


    Solutions for poor consistency of lithium iron phosphate batteries:


    Next, a method to reduce the influence of temperature on battery capacity consistency and accurately measure the actual capacity of lithium iron phosphate cores is provided to improve the capacity consistency of lithium iron phosphate batteries. The steps are as follows:


    1. Extract a number of batteries; select the test temperature range, set a number of test temperature nodes uniformly in the test temperature range, and test and count the capacity of each battery under each test temperature node;


    2. Select the minimum cell capacity temperature range of lithium iron phosphate battery pack, and linearly fit the capacity value of each battery in this temperature range with the capacity value of the battery at 25 degree.


    3. Measure the battery capacity of the batch of batteries with the same capacity grade in the temperature range of lithium battery capacity.


    4. According to the fitting equation, the discharge capacity of batch batteries at 25 degree was calculated.


    The advantage of this innovation is that the battery capacity value in the range of cell capacity temperature is fitted with the battery capacity value at room temperature 25 degree, and the functional relationship between them is found. According to the functional relationship, the more accurate battery capacity at room temperature 25 degree can be obtained, and the influence of temperature on the capacity consistency of lithium battery packs can be reduced.



    Items Parameter
    Battery Type LiFePO4
    Nominal Voltage 12.8V
    Nominal Capacity 200Ah
    Energy 2.56KWh
    Internal Resistance ≤15mΩ
    Series & Parallel Application up to 4 series 4 parallel connected application
    Limited Charge Voltage 14.6±0.2V
    Floating Charge Voltage 13.8±0.2V
    Charge Method CC/CV
    Discharge Cut-off Voltage 10.0V
    Charge Current 60A
    Continuous Discharge Current 60A
    Pulse Discharge Current (<3s) 120A
    Cycle Life > 6000 cycles
    Dimension (mm) Length:525±2 Width:270±2 Height:232±2
    Weight 28Kg
    Charge Temperature Range 0~45℃
    Discharge Temperature Range -20~60℃
    Recommended Operating Temperature 15~35℃



                                         Built-in BMS


    No. Item Test Item Creterion
    1 Voltage Charging Voltage DC:14.4V CC/CV
    Balance voltage for single cell 3.50±0.025V
    2 Current Balance voltage for single cell 35±5mA
    Current consumption ≤50μA
    Charging current 60A
    Rated continuous discharging current 60A (Peak 120A)
    3 Over charge Protection Over charge detection voltage for single cell 3.65V±0.025V
    Over charge detection delay time 0.7S—1.3S
    Over charge release voltage for single cell 3.550±0.05V
    4 Over discharge Protection Over discharge detection voltage for single cell 2.50V±0.07V
    Over discharge detection delay time 1.6±0.5S
    Over discharge release voltage for single cell 3.00±0.75V
    5 Over current Protection Over current detection current 500±50A
    Over current detection delay time 1.6±0.5S
    Release condition Cut load
    6 Short Protection Detection condition Exterior short circuit
    Detection delay time 230uS—500uS
    Release condition Cut load
    7 Resistance Protection circuitry (MOSFET) ≤60mΩ
    8 Temperature Operating Temperature Range -40~+85℃
    Storage Temperature Range -40~+125℃




    Portable Lithium Battery 12 Volt 200ah For Low Speed Tricycle Three-wheelerPortable Lithium Battery 12 Volt 200ah For Low Speed Tricycle Three-wheeler                                  


    Portable Lithium Battery 12 Volt 200ah For Low Speed Tricycle Three-wheeler

    Contact Details
    Shenzhen RJ Energy Co.Ltd

    Contact Person: Mr. Carl

    Tel: +8613430203848

    Send your inquiry directly to us (0 / 3000)

    Shenzhen RJ Energy Co.Ltd
    4F Building B, No.2, Qixin Road, Longgang District, Shenzhen, China
    Mobile Site Privacy Policy China Good Quality 3.2V LiFePO4 Battery Cell Supplier. Copyright © 2019 - 2021 All Rights Reserved. Developed by ECER