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High Voltage / Relay BMS

High Voltage BMS 40S-234S 100A 300A For Solar Power Storage

This high voltage BMS is one of the perfect solutions for your RV/car/solar power storage. You can choose from 40S to 234S for your Li-ion or LFP batteries. With built-in charging and discharging independent control system, you can view the battery pack health condition in real time. It can support sustainable current 300A, instant current 1000A.

With a convenient connector design, it is convenient for you to connect the main board and the slave board directly, and it is not easy to make mistakes with digital correspondence. The number of slave boards will depend on the strings you need.


Product Detail

Product Tags

Specifications

Li-ion Battery

LiFePo4 Battery

40S 144V 100A/300A 40S 120V 100A/300A
52S 192V 100A/300A 48S 144V 100A/300A
60S 220V 100A/300A 60S 192V 100A/300A
68S 250V 100A/300A 68S 220V 100A/300A
88S 320V 100A/300A 78S 250V 100A/300A
103S 380V 100A/300A 100S 320V 100A/300A
122S 380V 100A/300A 120S 380V 100A/300A
204S 750V 100A/300A 140S 450V 100A/300A
  234S 750V 100A/300A

Product Information

Brand Name: HeltecBMS
Material: PCB board
Origin: Mainland China
Warranty: One year
MOQ: 1 set
Battery Type: Li-ion/LiFePo4

Customization

  • Customized logo
  • Customized packaging
  • Graphic customization

Package

1. 40S-234S High Voltage BMS *1set.
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

Features

  • Soft start external switch
  • Over charge protection
  • Over discharge protection
  • Over current protection
  • Short circuit protection
  • Temperature control and protection
  • Chip shunt
  • Forced equilibrium
  • Electrostatic protection
  • Off-line protection
  • Moisture protection

Product Parameters

Technical Index

Product Parameter

Standard Continuous Current

100A

300A

Discharge Overcurrent Protection Value

3 times the continuous current

Main Circuit On-Resistance

<1.1mR

<0.7mR

Charging Current (Same Port)

100A

300A

Discharge Current (Same Port)

100A

300A

Standard Charging Voltage

Number of ternary lithium battery strings x 4.2V
Number of iron-lithium batteries strings x 3.65V

Operating Temperature

-30℃-100℃

Overcharge Protection

Detection Voltage

Ternary lithium 4.25±0.05V
Lithium iron 3.60±0.05V

Detection Delay

500-1500mS

Release Voltage

Ternary lithium 4.19±0.05V
Lithium iron 3.60±0.05V

Over-discharge Protection

Detection Voltage

Ternary lithium 2.8±0.1V
Lithium iron 2.2±0.1V

Detection Delay

500-1500mS

Release Voltage

Ternary lithium 3.0±0.1V
Lithium iron 2.5±0.1V

Equalization Voltage

Turn-on Voltage

Ternary lithium≥4.19V
Lithium iron≥3.59V

Release Voltage

Ternary lithium≥4.19V
Lithium iron≥3.59V

Balance Current

100-300mA

Discharge Overcurrent Protection

Detection Current

3 times the continuous current

Detection Delay

100-400mS

Release Condition

Disconnect load/Charge activation

Short Circuit Protection

Trigger Condition

External load short circuit

Detection Delay

150-600μs

Release Condition

Disconnect load/Charge activation

Self-Consumption

Release Condition

Disconnect load/Charge activation

Working Power Consumption

<0.4-1.5W

Sleep Overdischarge Power Consumption

<50μA

Temperature Control Protection

Over Temperature Protection

75±5℃

High Temperature Release Protection

75±5℃

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

Operation Function Diagram

heltec-high-voltage-bms-operation-function-diagram

Note

This product is available in two versions with and without Bluetooth.


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