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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

Heltec Energy has been engaging in hardware BMS R&D for many years. Hardware battery protection boards are widely used in power tool battery pack protection circuit PCB boards, electric bicycles, electric scooters, electric motorcycle, electric vehicle EV, etc.

Most hardware BMS listed here are for LFP/NCM batteries, if you need hardware BMS for LTO battery, kindly contact our sales manager for more information. Some hardware BMS are capable of peak 1500A discharge current, designed especially for car or motor start-up. Many other of the hardware BMS are designed for energy storage usage.


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Specifications

3.2V LiFePo4

3.7V Li-ion

  • 4S 80A 3.2V Same Port

  • 4S 120A 3.2V Same Port
  • 4S 160A 3.2V Same Port
  • 4S 200A 3.2V Same Port
  • 4S 35A 3.2V Same Port
  • 4S 40A 3.2V Same Port
  • 4S 50A 3.2V Same Port
  • 4S 80A 3.2V Same Port
  • 4S 100A 3.2V Same Port
  • 4S 120A 3.2V Same Port
  • 4S 160A 3.2V Same Port
  • 4S 180A 3.2V Same Port
  • 4S 200A 3.2V Same Port
  • 4S 330A 3.2V Same Port
  • 4S 330A 3.2V Split Port
  • 4S 380A 3.2V Same Port
  • 4S 80A 3.2V (26650 without bracket version)

  • 3S/4S 120A 3.7V Same Port
  • 3S 120A 3.7V Same Port
  • 4S 120A 3.7V Same Port
  • 3S 160A 3.7V Same Port
  • 4S 160A 3.7V Same Port
  • 3S 200A 3.7V Same Port
  • 4S 200A 3.7V Same Port
  • 3S 40A 3.7V Same Port
  • 3S 50A 3.7V Same Port
  • 4S 50A 3.7V Same Port
  • 3S 80A 3.7V Same Port
  • 3S/4S 100A 3.7V Same Port
  • 3S 120A 3.7V Same Port
  • 3S 160A 3.7V Same Port
  • 3S 180A 3.7V Same Port
  • 3S 200A 3.7V Same Port
  • 3S/4S 200A 3.7V Spit Port
  • 3S 330A 3.7V Same Port
  • 3S/4S 330A 3.7V Split Port
  • 3S 380A 3.7V Same Port
  • 3S 80A 3.7V Same Port (21700 without bracket version)
  • 4S 80A 3.7V Same Port (21700 without bracket version)

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.

*We recommend below special package for high power application:

1* BMS

2* Black 7AWG Cable With Copper Nose

2* Blue 7AWG Cable With Copper Nose

1* Passive Balancer

Purchase Details

  • Shipping From:
    1. Company/Factory in China
    2. Warehouses in United States/Poland/Russia/Brazil
    Contact Us to negotiate shipping details
  • Payment: 100% TT is recommended
  • Returns & Refunds: Eligible for returns and refunds

 

0916 (3)
1397 (4)
3330TS120 (1)

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.

0914A
1337
0916 (6)
1397 (7)

Request For Quotation

Jacqueline: jacqueline@heltec-bms.com / +86 185 8375 6538

Sucre: sucre@heltec-bms.com / +86 136 8844 2313

Nancy: nancy@heltec-bms.com / +86 184 8223 7713

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