lianxi_company Chengdu Heltec Energy Technology Co., Ltd.

lianxi_mail jacqueline@heltec-bms.com

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Hardware BMS

3S 4S BMS LiFePo4 Battery BMS 12V Featured Image
  • 3S 4S BMS LiFePo4 Battery BMS 12V
  • 3S 4S BMS LiFePo4 Battery BMS 12V
  • 3S 4S BMS LiFePo4 Battery BMS 12V
  • 3S 4S BMS LiFePo4 Battery BMS 12V
  • 3S 4S BMS LiFePo4 Battery BMS 12V

3S 4S BMS LiFePo4 Battery BMS 12V

We have a complete process of customization, design, testing, mass production and sales. We have a team of more than 30 design engineers, who can customize lithium-ion battery protection PCB boards with CANBUS, RS485 and other communication interfaces. If you have high voltage requirements, you can also customize our hardware BMS with relay. Hardware battery protection boards are widely used in power tool battery pack protection circuit PCB boards, electric bicycles, electric scooters, electric motorcycle battery management system BMS, electric vehicle EV battery BMS, etc.


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    Specifications

    • 3S 40A 3.7V Same Port
    • 4S 35A 3.2V Same Port
    • 4S 40A 3.2V Same Port
    • 3S/4S 40A 3.7V With Interface Same Port
    • 4S 40A 3.2V With Interface Same Port
    • 3S 50A 3.7V Same Port
    • 4S 50A 3.7V Same Port
    • 4S 50A 3.2V Same Port
    • 3S 80A 3.7V Same Port
    • 4S 80A 3.2V Same Port
    • 3S 4S 100A 3.7V Same Port
    • 4S 100A 3.2V Same Port
    • 3S 120A 3.7V Same Port
    • 4S 120A 3.2V Same Port
    • 3S 160A 3.7V Same Port
    • 4S 160A 3.2V Same Port
    • 3S 180A 3.7V Same Port
    • 4S 180A 3.2V Same Port
    • 3S 200A 3.7V Same Port
    • 4S 200A 3.2V Same Port
    • 3S 200A 3.7V Same Port New Big BMS
    • 4S 200A 3.2V Same Port New Big BMS
    • 3S 4S 200A 3.7V Spit Port New Big BMS
    • 3S 330A 3.7V Same Port
    • 4S 330A 3.2V Same Port
    • 3S 4S 330A 3.7V Split Port
    • 4S 330A 3.2V Split Port
    • 3S 380A 3.7V Same Port
    • 4S 380A 3.2V Same Port
    • 4S 80S 3.2V (without bracket version)
    • 3S 80A 3.7V Same Port (without bracket version)
    • 4S 80S 3.7V Same Port (without bracket version)

    Contact us for more specifications!

    Product Information

    Brand Name: HeltecBMS
    Material: PCB board
    Certification: CE
    Origin: Mainland China
    Warranty: One year
    MOQ: 1 pc
    Battery Type: NCM/LFP
    Balance type: Passive balancing

    Customization

    • Customized logo
    • Customized packaging
    • Graphic customization

    Package

    1. Hardware BMS *1 set.
    2. Anti-static bag, anti-static sponge and corrugated case.

    Purchase Details

    • Shipping From:
      1. Company/Factory in China
      2. Warehouses in United States/Poland/Russia/Brazil
      Contact Us to negotiate shipping details
    • Payment: TT is recommended
    • Returns & Refunds: Eligible for returns and refunds

    Parameters

    4S 35A 3.2V Same
    • SKU:1798
    • Charging protection voltage: 3.65V
    • Charge release voltage: 3.55V
    • Balanced opening voltage 3.405V
    • Discharge protection voltage: 2.35V
    • Discharge release voltage: 2.55V
    • Balance current: 37 mA
    • Max continuous discharge current: 35A
    • Continuous charging current: 20A
    • Current limit protection: 67A
    • Dimensions: 56*36*3mm
    • Application: Suitable for motors within 150W, 350W energy storage. Commonly used for sea fishing and fishing turbines, Xenon lamp lighting, street lamp lighting, etc.
    3S 40A 3.7V Same
    • SKU: 1474
    • Charging protection voltage: 4.28V
    • Charge release voltage: 4.08V
    • Discharge protection voltage: 2.5V
    • Discharge recovery voltage 3.0V
    • Max continuous discharge current: 40A
    • Instantaneous current limit protection value: 120A
    • Short circuit protection: load short circuit protection
    • Dimensions: 60*42*4mm
    • Application: 12V hand drill, lighting fixtures within 200W, not suitable for inverter.
    4S 40A 3.2V Same
    • SKU:1476
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Discharge protection voltage: 2.1V
    • Discharge recovery voltage 2.5V
    • Max continuous discharge current: 40A
    • Instantaneous current limit protection value: 120A
    • Short circuit protection: load short circuit protection
    • Dimensions: 60*45*4mm
    • Application: Lighting lamps within 200W, not suitable for inverter.
    3S 4S 40A 3.7V With Interface
    • SKU:1796
    • Charge protection voltage: 3.75V
    • Discharge protection voltage: 2.1V
    • Charge release voltage: 3.6V
    • Discharge release voltage: 2.5V
    • Balanced voltage 3.55V
    • Balanced current: 100MA
    • Max continuous discharge current: 40A
    • Instantaneous current limit value: 100A
    • Short circuit protection: load short circuit
    • Dimensions: 60*45*8mm
    • Application: Motor products around 300-400W, LED lamp lighting around 350W, etc.
    4S 40A 3.2V With Interface
    • SKU:1797
    • Charge protection voltage: 4.25V
    • Discharge protection voltage: 2.8V
    • Charge release voltage: 4.18V
    • Discharge release voltage: 3.0V
    • Balanced voltage 4.17V
    • Balanced current: 110MA
    • Max continuous discharge current: 40A
    • Instantaneous current limit value: 150A
    • Short circuit protection: load short circuit
    • Dimensions: 60*45*8mm
    3S 50A 3.7V Same
    • SKU: 1480
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Max continuous discharge current: 50A
    • Continuous charging current: 50A
    • Current limit protection: 225A
    • Dimensions: 63*50* mm
    • Application: Suitable for motors within 350W, often used in trawlers, and low-power energy storage around 500W.
    4S 50A 3.7V Same
    • SKU: 1481
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Max continuous discharge current: 50A
    • Continuous charging current: 50A
    • Current limit protection: 225A
    • Dimensions: 63*54*4 mm
    • Application: Suitable for motors within 350W, often used in trawlers, and low-power energy storage around 500W.
    4S 50A 3.2V Same
    • SKU: 1482
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Max continuous discharge current: 50A
    • Continuous charging current: 80A
    • Current limit protection: 200A
    • Dimensions: 63*54*4 mm
    • Application: Suitable for motors within 350W, often used in trawlers, and low-power energy storage around 500W.
    3S 80A 3.7V Same Port
    • SKU: 1615
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Max continuous discharge current: 80A
    • Continuous charging current: 80A
    • Current limit protection: 400A
    • Dimensions: 72*55*8mm
    • Application: Suitable for motors within 800W, often used in marine
    • propellers, and low-power energy storage around 1000W
    4S 80A 3.2V Same Port
    • SKU: 1617
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Max continuous discharge current: 80A
    • Continuous charging current: 80A
    • Current limit protection: 400A
    • Dimensions: 72*55*8mm
    • Application: It is suitable for motors within 800W, often used in marine propellers, and low-power energy storage around 1000W.
    3S 4S 100A 3.7V Same Port
    • SKU:0913
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Max continuous discharge current: 90A
    • Continuous charging current: 90A
    • Current limit protection: 450A
    • Dimensions: 72*55*8mm
    • Application: It is suitable for motors within 500W, and is often used in trawlers, marine propellers, and low-power energy storage around 600W.
    4S 100A 3.2V Same Port
    • SKU:0914
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Max continuous discharge current: 90A
    • Continuous charging current: 90A
    • Current limit protection: 300A
    • Short circuit protection: load short circuit protection
    • Dimensions: 72*55*8mm
    • Application: It is suitable for motors within 500W, and is often used in trawlers, marine propellers, and low-power energy storage around 600W.
    • *Starting from September 2020, only partial orders and order products are available.
    3S 120A 3.7V Same Port
    • SKU:0913A
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Max continuous discharge current: 120A
    • Continuous charging current: 60A
    • Current limit protection: 450A
    • Short circuit protection: load short circuit protection
    • Dimensions: 115*66*8 mm
    • Application: It is suitable for motors within 1000W, often used in trawlers, marine propellers, and low-power energy storage within 1200W.
    • *Starting from September 2020, the new specifications will be officially produced to replace the old 120A
    4S 120A 3.2V Same Port
    • SKU: 0914A
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Max continuous discharge current: 90A
    • Continuous charging current: 90A
    • Current limit protection: 330A
    • Short circuit protection: load short circuit protection
    • Dimensions: 115*66*8 mm
    • Application: It is suitable for motors within 1000W, often used in trawlers, marine propellers, and low-power energy storage within 1200W.
    • *Starting from September 2020, the new specifications will be officially produced to replace the old 120A
    3S 160A 3.7V Same Port
    • SKU: 0915A
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Max continuous discharge current: 160A
    • Continuous charging current: 80A
    • Current limit protection: 650A
    • Short circuit protection: load short circuit protection
    • Dimensions: 115*66*14 mm
    • Application: Suitable for motors within 1500W, often used in trawlers, marine propellers, and low-power energy storage within 1500W.
    • *Starting from September 2020, the new specifications will be officially produced to replace the old 160A.
    4S 160A 3.2V Same Port
    • SKU: 0916A
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Max continuous discharge current: 90A
    • Continuous charging current: 90A
    • Current limit protection: 650A
    • Short circuit protection: load short circuit protection
    • Dimensions: 115*66*14 mm
    • Application: Suitable for motors within 1500W, often used in trawlers, marine propellers, and low-power energy storage within 1500W.
    3S 180A 3.7V Same Port
    • SKU:1349
    • Charging type: same port
    • Charging protection voltage: 4.25V
    • Discharge protection voltage: 2.8V
    • Charge release voltage: 4.19V
    • Discharge release voltage: 3.0V
    • Balance voltage 4.18V
    • Balance current: 90MA
    • Charging current: 80A
    • Long-term continuous overcurrent value: 180A
    • Instantaneous current limit value: 650A
    • Short circuit protection: load short circuit
    • Dimensions: 150*80*14mm
    • Weight: 245g
    • Application: It is suitable for motors within 1500W, and is often used in trawlers, marine propellers, and low-power energy storage within 1800W.
    4S 180A 3.2V Same Port
    • SKU: 1850
    • Charging type: same port
    • Charging protection voltage: 3.75V
    • Discharge protection voltage: 2.1V
    • Charge release voltage: 3.6V
    • Discharge release voltage: 2.5V
    • Balance voltage 3.55V
    • Balance current: 90MA
    • Charging current: 80A
    • Long-term continuous overcurrent value: 180A
    • Instantaneous current limit value: 650A
    • Short circuit protection: load short circuit
    • Dimensions: 150*80*14mm
    • Application: It is suitable for motors within 1500W, and is often used in trawlers, marine propellers, and low-power energy storage within 1800W.
    • *Starting from September 2020, the new specification officially produced, 180A
    3S 200A 3.7V Same Port
    • SKU:1292
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Continuous discharge current: 200A
    • Continuous charging current: 100A
    • Current limit protection: 750A
    • Short circuit protection: load short circuit protection
    • Dimensions: 115*66*14 mm
    • Application: Suitable for motors within 2000W, often used in trawlers, marine propellers, and low-power energy storage within 2000W.
    4S 200A 3.2V Same Port
    • SKU: 1469
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Continuous discharge current: 90A
    • Continuous charging current: 90A
    • Current limit protection: 750A
    • Short circuit protection: load short circuit protection
    • Dimensions: 115*66*14 mm
    • Application: Suitable for motors within 2000W, often used in trawlers, marine propellers, and low-power energy storage within 2000W.
    3S 200A 3.7V Same Port New Big BMS
    • SKU: 1292A
    • Model specification: 4S-200A
    • Charging protection voltage: 4.25V
    • Charge release voltage: 4.19V
    • Balanced opening voltage 4.17V
    • Discharge protection voltage: 2.8V
    • Discharge release voltage: 3.0V
    • Balance current: 105 mA
    • Continuous discharge current: 200A
    • Continuous charging current: 100A
    • Current limit protection: 833A
    • Short circuit protection: load short circuit protection
    • Dimensions: 163*82*14 mm
    • Application: It is suitable for motors within 2000W, and is often used for energy storage within 2500W of load power.
    4S 200A 3.2V Same Port New Big BMS
    • SKU:1469A
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Continuous discharge current: 200A
    • Continuous charging current: 100A
    • Current limit protection: 833A
    • Short circuit protection: load short circuit protection
    • Dimensions: 163*82*14 mm
    • Application: It is suitable for motors within 2000W, and is often used for energy storage within 2500W of load power.
    3S 4S 200A 3.7V Spit Port New Big BMS
    • SKU:1852
    • Charging type: Split port
    • Charging protection voltage: 3.75V
    • Discharge protection voltage: 2.1V
    • Charge release voltage: 3.6V
    • Discharge release voltage: 2.5V
    • Balance voltage 3.55V
    • Charging current: 45A
    • Continuous overcurrent value: 200A
    • Instantaneous current limit value: 750A
    • Short circuit protection: load short circuit
    • Dimensions: 150*80*14mm
    • Weight: 245g
    • Applicable: For solar battery group within 12V/500W, the maximum load power is applicable to 2000W
    3S 330A 3.7V Same Port
    • SKU:1396
    • Charging type: same port
    • Charging protection voltage: 4.25V
    • Discharge protection voltage: 2.8V
    • Charge release voltage: 4.19V
    • Discharge release voltage: 3.0V
    • Balance voltage 4.18V
    • Balance current: 90MA
    • Charging current: 80A
    • 10-20min Continuous current :330A
    • Long-term continuous overcurrent value: 250A
    • Instantaneous current limit value: 1200A
    • Short circuit protection: load short circuit
    • Dimensions: 150*80*14mm
    • Weight: 245g
    • Application: 3000W for load power
    4S 330A 3.2V Same Port
    • SKU:1397
    • Charging type: same port
    • Charging protection voltage: 3.75V
    • Discharge protection voltage: 2.1V
    • Charge release voltage: 3.6V
    • Discharge release voltage: 2.5V
    • Balance voltage 3.55V
    • Balance current: 90mA
    • Charging current: 80A
    • Max Continuous current :330A
    • Long-term continuous overcurrent value: 250A
    • Instantaneous current limit value: 1200A
    3S 4S 330A 3.7V Split Port
    • Charging type: Split port
    • Charging protection voltage: 4.25V
    • Discharge protection voltage: 2.8V
    • Charge release voltage: 4.19V
    • Discharge release voltage: 3.0V
    • Balance voltage 4.18V
    • Balance current: 90MA
    • Charging current: 80A
    • Long-term continuous overcurrent value: 300A
    • Instantaneous current limit value: 1200A
    • Short circuit protection: load short circuit
    • Dimensions: 150*80*14mm
    • Weight: 245g
    • Applicable: For solar battery group within 12V/1000W, load power is suitable for 3000W.
    4S 330A 3.2V Split Port
    • SKU: 1484
    • Charging type: Split port
    • Charging protection voltage: 3.75V
    • Discharge protection voltage: 2.1V
    • Charge release voltage: 3.6V
    • Discharge release voltage: 2.5V
    • Balance voltage 3.55V
    • Balance current: 90MA
    • Charging current: 80A
    • Long-term continuous overcurrent value: 330A
    • Instantaneous current limit value: 1200A
    • Short circuit protection: load short circuit
    • Dimensions: 150*80*14mm
    • Weight: 245g
    • Applicable: For solar battery group within 12V/1000W, load power is suitable for 3000W
    3S 380A 3.7V Same Port
    • SKU:1336
    • Charging protection voltage: 4.25V
    • Discharge protection voltage: 2.8V
    • Charge release voltage: 4.18V
    • Discharge release voltage: 3.0V
    • Balanced voltage 4.17V
    • Balance current: 110MA
    • Long-term continuous overcurrent value: 380A
    • Instantaneous current limit value: 1800A
    • Short circuit protection: load short circuit
    • Dimensions: 163*82*14mm
    • Weight: 245g
    4S 380A 3.2V Same Port
    • SKU:1337
    • Charging protection voltage: 3.75V
    • Discharge protection voltage: 2.1V
    • Charge release voltage: 3.6V
    • Discharge release voltage: 2.5V
    • Balance voltage 3.55V
    • Balance current: 95MA
    • Long-term continuous overcurrent value: 380A
    • Instantaneous current limit value: 1800A
    • Short circuit protection: load short circuit
    • Dimensions: 163*82*14mm
    • Weight: 245g
    4S 80S 3.2V (without bracket version)
    • SKU:1401
    • Special lithium battery protection board for motorcycle start
    • Charging protection voltage: 3.75V
    • Charge release voltage: 3.6V
    • Balanced opening voltage 3.55V
    • Discharge protection voltage: 2.1V
    • Discharge release voltage: 2.5V
    • Balance current: 95 mA
    • Continuous discharge current: 80A
    • Continuous charging current: 80A
    • Current limit protection: 400A
    • Dimensions: 87*62*4 mm
    • Applicable batteries: American A123, vaillant and other high-rate 26650 batteries, suitable for 1.0-displacement motorcycle starting, and auxiliary starting of cars with displacements within 2.0.
    3S 80A 3.7V Same Port(without bracket version)
    • SKU: 1535
    • Battery arrangement: 2 parallel 3 strings/21700 (dedicated type)
    • Charging type: Same port
    • Charging protection voltage: 4.25V
    • Discharge protection voltage: 2.8V
    • Charge release voltage: 4.19V
    • Discharge release voltage: 3.0V
    • Balanced voltage 4.17V
    • Balance current: 315MA
    • Charging current: 40A
    • Maximum continuous overcurrent value for a long time: 80A
    • Instantaneous current limit value: 500A
    • Short circuit protection: load short circuit
    • Dimensions: 115*68*4
    • Weight: 60g
    • Imported high-power ultra-low internal resistance MOS tube, high current passive balance
    • Application: For load battery packs within 12V/1000W, suitable for motors within 1000W. 21700 specification lithium battery dedicated.
    4S 80S 3.7V Same Port(21700 without bracket version)
    • SKU:1536
    • Battery arrangement: 2 parallel 4 strings/21700 (dedicated type)
    • Charging type: same port
    • Charging protection voltage: 4.25V
    • Discharge protection voltage: 2.8V
    • Charge release voltage: 4.19V
    • Discharge release voltage: 3.0V
    • Balanced voltage 4.17V
    • Balance current: 315MA
    • Charging current: 40A
    • Maximum continuous overcurrent value for a long time: 80A
    • Instantaneous current limit value: 500A
    • Short circuit protection: load short circuit
    • Dimensions: 156*68*4mm
    • Weight: 60g

    * We keep upgrading products to meet requirements of our clients, please contact our sales person for more accurate details.

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