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Shenzhen Topband Battery Co., Ltd

A professional manufacturer of LiFePO4 battery / lithium iron phosphate, dedicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to

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CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan

    Buy cheap CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan from wholesalers
     
    Buy cheap CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan from wholesalers
    • Buy cheap CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan from wholesalers
    • Buy cheap CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan from wholesalers

    CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan

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    Brand Name : Topband
    Model Number : TB2450F-M110A
    Certification : CE, MSDS
    Supply Ability : 450Mwh/year
    Delivery Time : 2~4weeks for samples; 4~6weeks for mass production
    Price : Negotiable
    Payment Terms : L/C, T/T
    • Product Details
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    CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan

    CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan


    Replace the traditional lead acid batteries

    long lifespan & powerful & reliable

    lighter & smaller and environment friendly


    1. General Information

    This specification defines the performance of rechargeable LiFePO4 battery pack TB2450F-M110A manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.


    2. Specification

    NOItemsDescription
    Normal Specification
    1Nominal Voltage25.6V
    2Normal Capacity50Ah
    3Internal Resistance≤40mΩ
    Standard Charge
    4Battery operation temperature range @charging0~45℃
    5Normal charge voltage29.2±0.2V
    6Recommended float charge voltage(for Standby use)27.6±0.2V
    7Allowed constant charge current50A@Battery initial Temp 25±5℃
    8Recommended charge current≤25A
    Standard Discharge
    9Battery operation temperature range @discharging-20~60℃
    10Output voltage range16.0~29.2V
    11Allowed constant discharge current50A withstand 30min @Battery initial Temp 25±5℃
    12Pulse discharge current130A withstand 3s
    13Discharge cut-off voltage16.0V
    Mechanical Characteristics
    14DimensionLength 318±2mm
    Width 165±2mm
    Height 215±2mm
    15WeightApprox. 12.1Kg
    Storage
    16Storage Temperature & Humidity RangeShort: within one month-20~35℃, 45~75%RH
    Long term: above one month-10~30℃, 45~75%RH
    17Self-discharge rateResidual capacity≤3% per month; ≤15% per year
    Reversible capacity≤1.5%per month; ≤8% per year

    3. Electrical Characteristics & Test Condition.

    @Ambient Temperature 25±5℃ & Humidity 45%~75%.


    NOItemsCriterionCondition
    1Internal Impedance≤40mΩTest the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument.
    2Nominal Capacity≥50AhRest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 180 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity.
    3Short circuit protection/Not allowed.
    4MAX charge Current50ACharging with this current for more than 0.5h and the added temperature of battery pack less than 20℃.
    5MAX discharge Current50ADischarging with this current for more than 0.5h and the added temperature of battery pack less than 35℃.
    6

    Cycle life (DOD%100)

    		≥2000cycleDischarge with the current of 0.5C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.33C)/CV(14.6V) mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.
    7

    Discharge Temperature

    Characteristics

    		-20℃70%At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage.
    0℃80%
    25℃100%
    55℃95%
    8Charge Retention abilityremain capacity≥90%Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage.

    4. Circuit Protection

    The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.

    Test itemContentCriterion
    Over chargeOver-charge protection for each cell3.80±0.03V
    Over-charge release for each cell3.60±0.05V
    Over-charge release methodUnder the release voltage
    Over dischargeOver-discharge protection for each cell2.00±0.05V
    Over-discharge release for each cell2.30±0.05V
    Over-discharge release methodRelease after charging
    Over currentDischarge over current protection150±20A
    Protection delay time10~40ms
    Over current release methodAfter cutoff the load

    Battery

    temperature

    		Over temperature protection65±5℃
    Over temperature release50±5℃

    5. Dimensional Drawing


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    Floor Sweeper Battery

      

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    Quality CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan for sale

    CE Certificated Lithium Iron Phosphate Battery 24V 50AH Long Lifespan

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