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Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density

Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density

    • Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density
    • Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density
    • Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density
  • Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density

    Product Details:

    Place of Origin: China
    Brand Name: Topband
    Certification: CE, MSDS
    Model Number: TB2450F-M110A

    Payment & Shipping Terms:

    Minimum Order Quantity: 50pcs
    Price: Negotiable
    Packaging Details: standard export carton
    Delivery Time: 2~4weeks for samples; 4~6weeks for mass production
    Payment Terms: L/C, T/T
    Supply Ability: 450Mwh/year
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    Detailed Product Description
    Material: Nano LiFePO4 Color: Black, Blue, Green
    Type: Lithium Iron Phosphate Charge Voltage: 29.2V
    Charge Current: ≤50A Discharge Current: ≤50A
    Peak Discharge Current: 130A(3S) Cut-off Voltage: 20V
    Cycle Life: 2000cycles @100% DOD Operate Temperature: -20°C~60°C
    Dimension: 318*165*215mm Weight: 12.1kg

     

    Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density

    • long life & deep cycle( over 2000cycles @ 100%DOD)
    • with built-in PCM/BMS protection
    • rapid charge/discharge performance
    • safe pressure valve design ( no explosion, no fire)
    • high energy density
    • low self-discharge( <3% per month,<15% per year)
    • 1/3 weight & 1/2 volume of lead acid battery
    • eco-friendly
    • high consistency
    • no memory effect
    • easily replace lead acid battery
    • patent Bluetooth connection feature optional, enable IOS & Android app to monitor instant battery status(SOC, voltage, current, remain AH, temp., life cycle, error, contacts).

     

     

    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

    NO Items Description
    Normal Specification
    1 Nominal Voltage 25.6V
    2 Normal Capacity 50Ah
    3 Internal Resistance ≤40mΩ
    Standard Charge
    4 Battery operation temperature range @charging 0~45℃
    5 Normal charge voltage 29.2±0.2V
    6 Recommended float charge voltage(for Standby use) 27.6±0.2V
    7 Allowed constant charge current 50A@Battery initial Temp 25±5℃
    8 Recommended charge current ≤25A
    Standard Discharge
    9 Battery operation temperature range @discharging -20~60℃
    10 Output voltage range 16.0~29.2V
    11 Allowed constant discharge current 50A withstand 30min @Battery initial Temp 25±5℃
    12 Pulse discharge current 130A withstand 3s
    13 Discharge cut-off voltage 16.0V
    Mechanical Characteristics
    14 Dimension Length 318±2mm
    Width 165±2mm
    Height 215±2mm
    15 Weight Approx. 12.1Kg
    Storage
    16 Storage Temperature & Humidity Range Short: within one month -20~35℃, 45~75%RH
    Long term: above one month -10~30℃, 45~75%RH
    17 Self-discharge rate Residual 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%.

     

    NO Items Criterion Condition
    1 Internal Impedance ≤40mΩ Test the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument.
    2 Nominal Capacity ≥50Ah Rest 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.
    3 Short circuit protection / Not allowed.
    4 MAX charge Current 50A Charging with this current for more than 0.5h and the added temperature of battery pack less than 20℃.
    5 MAX discharge Current 50A Discharging with this current for more than 0.5h and the added temperature of battery pack less than 35℃.
    6

     

     

    Cycle life (DOD%100)

    ≥2000cycle Discharge 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%
    8 Charge Retention ability remain 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 item Content Criterion
    Over charge Over-charge protection for each cell 3.80±0.03V
    Over-charge release for each cell 3.60±0.05V
    Over-charge release method Under the release voltage
    Over discharge Over-discharge protection for each cell 2.00±0.05V
    Over-discharge release for each cell 2.30±0.05V
    Over-discharge release method Release after charging
    Over current Discharge over current protection 150±20A
    Protection delay time 10~40ms
    Over current release method After cutoff the load

    Battery

    temperature

    Over temperature protection 65±5℃
    Over temperature release 50±5℃

     

    5. Dimensional Drawing

    Lithium Iron Phosphate Rechargeable Lifepo4 Battery 24v 50ah High Energy Density

    Contact Details
    Shenzhen Topband Battery Co., Ltd

    Contact Person: Jerry Yang

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