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Bluetooth 225Ah Lithium 12V Deep Cycle Battery LiFePO4 Battery Management System

Bluetooth 225Ah Lithium 12V Deep Cycle Battery LiFePO4 Battery Management System

    • Bluetooth 225Ah Lithium 12V Deep Cycle Battery LiFePO4 Battery Management System
    • Bluetooth 225Ah Lithium 12V Deep Cycle Battery LiFePO4 Battery Management System
  • Bluetooth 225Ah Lithium 12V Deep Cycle Battery LiFePO4 Battery Management System

    Product Details:

    Place of Origin: China
    Brand Name: Topband
    Certification: ISO9001,ISO14001
    Model Number: TB12225F-S108A

    Payment & Shipping Terms:

    Minimum Order Quantity: 10
    Packaging Details: standard export carton
    Delivery Time: 2~4 weeks for samples; 4~6 weeks for mass production
    Payment Terms: L/C, T/T, Western Union
    Supply Ability: 1Gwh/year
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    Detailed Product Description
    Material: Lifepo4 Normal Voltage: 12V
    Normal Capacity: 225Ah Nominal Energy: 2.88KWh
    Dimension: 520*269*220mm Weight: 29.8kg
    Cycle Life: ≥2000cycles Communication Function: Bluetooth

    12V 225Ah Deep Cycle Lifepo4 Lithium Battery with Bluetooth Environmental-friendly


    1. About us

    Shenzhen Topband Battery Co., Ltd, a company professional to do LiFePO4 battery, which is founded in 1996 and listed in Shenzhen in 2007. There are over 300 R&D engineers and about 3,000 employees in the 70,000 square meters Topband industrial park. We can provide One -Stop Solution of new energy, from cell, BMS/PCM to battery pack assembling.


    This rechargeable LiFePO4 battery pack TB12225F-S108A support Bluetooth communication function. Through Android and IOS APP, can read the battery status and information. Especially due to the Android system’s openness, different smart phone manufacturer will have their own different Bluetooth hardware version and customized feature Android systems. It is necessary for the customer to confirm whether the phone is compatible for the APP.


    2. Specification

    NO. Items Criteria Remarks
    2.1 Rated Capacity 225Ah  
    Minimum Capacity 220Ah  
    2.2 Energy 2.88kWh  
    2.3 Nominal Voltage 12.8V  
    2.4 Outgoing Voltage ≥12.8V  
    2.5 Internal resistance ≤20mΩ  
    2.6 Charge voltage 14.6±0.2V  
    2.7 Floating charge voltage 13.8±0.2V  
    2.8 Standard charge current 100A  
    2.9 Maximum charge current 150A  
    2.10 Standard discharge current 150A  
    2.11 Maximum discharge current 200A/withstand 30 mins @Battery initial Temp 25±5℃
    2.12 Pulse discharge current 500A/Continuous for 3s  
    2.13 Discharge cut-off voltage 10.0~11.5V  
    2.14 Dimension Length: 520±3mm  
    Width: 269±3mm  
    Height: 220±3mm  
    2.15 Weight Approx: 29.8±1.0Kg  
    2.16 Operating Temperature Charging:0~45℃
    Recommended operating temperature:15℃~35℃
    2.17 Self-discharge rate Residual capacity:≤2%/month;≤12%/year
    2.18 Storage Temperature & Humidity Range Less than 1 month:-20℃~45℃,45%RH~75%RH
    Less than 3 months:-10℃~35℃,45%RH~75%RH

    Recommended storage environment:



    3. Test Conditions:

      3.1 Standard Test Conditions

         3.1.1 Unless otherwise specified, all performance tests is required conducted at temperature 25℃±2℃, Humidity less than 45%~75%RH.

         3.1.2 Unless otherwise specified, the tested product is required unused within two month after outgoing.

      3.2 Standard Charge Mode

         "Standard Charge" means at 25±2℃ charge to limit voltage with 0.44C constant current, then charge with constant voltage until current less than 0.02C.

      3.3 Quick Charge Mode

         "Quick Charge" means at 25±2℃ charge to limit voltage with 0.66C constant current, then charge with constant voltage until current less than 0.02C.

      3.4 Standard Discharge Mode

         "Standard Discharge" means at 25±2℃ discharge to the cut-off voltage with 0.66C current.

      3.5 Quick Discharge Mode

        "Quick Discharge" means discharge with 0.88c withstand 30 mins.


    4. Product Performance

    NO. Items Criteria Testing method
    4.1 Rated Capacity 225Ah 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.
    4.2 Minimum Capacity 220Ah
    4.3 Internal resistance ≤20mΩ 50% battery SOC state frequency of 1 KHZ ac resistance tester

    Cycle life


    ≥2000cycle Discharge with the current of 0.33C 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.

    Discharge Temperature


    -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%
    4.7 Charge Retention ability



    Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage.
    Recovery capacity≥90%


    5. Protective circuit specification

    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.

    NO. Items Content Specification
    5.1 Over charge Over-charge protection for each cell 3.80±0.05V
    Over-charge release for each cell 3.60±0.05V
    Over-charge release method Under the release voltage
    5.2 Over discharge Over-discharge protection for each cell 2.50±0.05V
    Over-discharge release for each cell 2.80±0.05V
    Over-discharge release method Charging recovery
    5.3 Over current Discharge over current protection 1 255±5A, delay 4~6min
    Discharge over current protection 2 400±20A, delay 5~6s
    Over current release method 8s after cutoff the load.
    5.4 Short Do not short-circuit the electrodes Designed For 800A~1000A /150-500us
    5.5 Battery temperature Charge over temperature Protection @65±5℃
    Release @50±5℃
    Discharge over temperature Protection @65±5℃
    Release @50±5℃
    5.6 Static power Normal static power consumption≤20mA; After discharge protection≤600uA
    6.Dimension Drawing 
    Bluetooth 225Ah Lithium 12V Deep Cycle Battery LiFePO4 Battery Management System

    7. Transportation & Storage

    ♦ Based on the character of cell, proper environment for transportation of LiFePO4 battery pack need to be created to protect the battery.

    ♦ Battery should be stayed in the warehouse 15℃~35℃ where it’s dry, clean, shade, and well-ventilated.

    ♦ The battery should be stored in 50% SOC during transportation.

    ♦ The battery need to be charged every 6 months if out of use.

    ♦ Keep the battery against dropping, turning over and serious stacking during loading.



    8. Warning & Tips

    Please read and follow the specification and caution remarks on battery surface before use the battery. Improper use may cause heat, fire, rupture, and damage or capacity deterioration of the battery. SHENZHEN TOPBAND BATTERY CO., LTD. Describes is not responsible for any accidents caused by the usage without following our specification.


    ♦ The battery must be far away from heat source, high voltage, and avoid to be exposed in sunshine for long time.

    ♦ Never throw the battery into water.

    ♦ Do not put the battery in a charger or equipment with wrong terminals connected.

    ♦ Never connect the positive and negative of battery with metal.

    ♦ Avoid excessive physical shock or vibration. don't hit, fall, stamp on the battery.

    ♦ Without the permission of the manufacturer and guidance, forbidden to remove or to assemble the battery.

    ♦ Do not use the battery mixed with other different manufacturer, type, or model batteries.

    ♦ Keep the battery against high temperature. Otherwise it will cause battery heat, get into fire or lose some function and reduce the life.

    ♦ When battery run out of power, please charge your battery timely (≤15day).

    Please use the matched or suggested charger for this battery.

    ♦ If battery emits peculiar smell, heating, distortion or appears any abnormity during working or storage, please stop using and take it out from device.

    ♦ If the battery leaks and get into the eyes or skin, do not wipe, instead, rinse it with clean water and see doctor immediately.

    ♦ Please far away from children or pets.

    ♦ Do not put disuse battery into a fire or water.

    ♦ Series connection is prohibited.

    ♦ Parallel connection of this battery pack is allowed under condition that voltage difference ≤0.2V (fully charging each battery before parallel connection is suggested), parallel numbers ≤4 groups, and operated by professionals.





    Contact Details
    Shenzhen Topband Battery Co., Ltd

    Contact Person: Wendy Chen

    Tel: +8615616178475

    Send your inquiry directly to us (0 / 3000)

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