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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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Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

    Buy cheap Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH from wholesalers
     
    Buy cheap Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH from wholesalers
    • Buy cheap Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH from wholesalers

    Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

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    Brand Name : Topband
    Model Number : TB12300F-S103A_00
    Certification : 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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    Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

    Long-lasting over 2000cycsle 12V300AH Rechargeable Marine Battery, Lithium Iron Phosphate


    1. General Information

    This specification defines the performance of rechargeable LiFePO4 battery pack TB12300F- S103A 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 Voltage12.8V
    2Normal Capacity300Ah
    3Internal Resistance≤20mΩ
    4Series-Parallel applicationNot allowed
    5Communication function/
    Standard Charge
    6Charge operation temperature range0~45℃
    7Normal charge voltage14.6±0.1V
    8Recommended float charge voltage(for Standby use)13.8±0.1V
    9Allowed MAX constant charge current80A@Battery initial Temp 25±5℃
    10Recommended charge current≤80A
    Standard Discharge
    11Discharge operation temperature range-20~60℃
    12Output Voltage Range8.0~14.6V
    13Allowed MAX constant discharge current80A @Battery initial Temp 25±5℃
    14Discharge peak current100A/30min,350A/3s
    15Discharge end voltage8.0V

    NOItemsDescription
    Mechanical Characteristics
    16DimensionLength 520±3mm
    Width 269±3mm
    Height 221±3mm
    17WeightApprox. 37.7Kg
    Storage
    18Storage Temperature & Humidity RangeShort: within one month-20~35℃, 45~75%RH
    Long term: above one month-10~30℃, 45~75%RH
    19Self-discharge rateResidual capacity≤3% per month; ≤15% per year
    Reversible capacity≤1.5%per month; ≤8% per year

    3. Electrical Characteristics & Test Condition

    Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.


    NOItemsCriterionCondition
    1Min Capacity≥291AhRest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the cutoff voltage. you can stop and define the Discharging current*time value (Ah) as battery capacity.
    2

    Cycle life (DOD%100)

    		≥2000cycle

    Charge / CC(0.33C)/CV(14.6V);

    End current : 0.05C;

    Rest time : 1h;

    Discharge / CC(0.5C);

    End voltage : 8.0V;

    Repeat above process until discharge capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.

    3

    Discharge Temperature

    Characteristics

    		-20℃≥70%At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. Record the ratio between discharging & charging capacity.
    0℃≥80%
    25℃100%
    55℃≥95%
    4Charge 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 methodCharging
    Over currentDischarge over current protection350~550A
    Protection delay time10~40ms
    Over current release methodRelease after cutoff the load.

    Over

    Temperature

    		Battery over temperatureProtection @65±5℃
    Release @50±5℃

    Over

    Temperature

    		Battery lower temperatureProtection @100±5℃
    Release @70±15℃

    5. Dimensional Drawing

    Product Tags:

    Marine Deep Cycle Battery

      

    Marine Rv Battery

      
    Quality Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH for sale

    Long - Lasting 2000 Cycle Rechargeable Marine Battery 12V 300AH

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