JBD Smart BMS 4S 20A 30A 50A for LiFePO4 & NMC Li-ion

$13.50 USD
$21.80 USD
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Model

Product Description

🟢 Product Overview

The JBD DP04S024 Smart BMS is designed for 3–4S LiFePO4 / Li-ion(NMC)battery packs with a continuous current range of 20A–100A.

This model supports Bluetooth communication and Series, heating function.

⚙️ Key Features

  • 3–4S LiFePO4 / Li-ion(NMC)battery system support
  • Continuous current: 20A / 30A / 50A / 60A / 80A /100A options
  • Charge & discharge common port design
  • Bluetooth communication (standard)
  • Passive cell balancing
  • NTC temperature protection
  • Heating function
  • Series connection support
  • PC software parameter configuration

🔋 Protection Functions

  • Overcharge / Over-discharge protection
  • Charge & discharge over-current protection
  • Short circuit protection
  • High & low temperature protection (charging & discharging)
  • FET over-temperature protection
  • Automatic recovery design for safe operation

📊 Technical Highlights(eg.LiFePo4)

  • Cell voltage range: 2.30V – 3.75V
  • Balance current: 150–250mA (pulse mode)
  • Sleep current: ≤800µA
  • Operating temperature: -20°C to 75°C
  • Circuit resistance: ≤10mΩ
  • Communication: UART (non-isolated) + Bluetooth

📌 Notes

  • Parameters can be adjusted via JBD PC software and JBD APP
  • Current protection values depend on selected model (20A–100A version)
  • Heating and Series functions are optional configurations
Frequently Asked Questions
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Q1: How do I choose the right BMS model?
A: Please confirm your battery type, series number, continuous current,  communication requirements, and application scenario before ordering.Not sure which model to choose? Please contact Cara for professional model selection support.
Q2: What battery types are supported?
A: Please confirm your battery type, series number, continuous current,  communication requirements, and application scenario before ordering.Not sure which model to choose? Please contact Cara for professional model selection support.
Q3: What does “S” mean in BMS specifications?
A: “S” means the number of cells connected in series. For example, 8S means 8 cells in series.
Q4: What current rating should I choose?
A: The BMS current should be selected according to the battery pack load current and application. It is recommended to choose a BMS with enough current margin.
Q5: Does the BMS support communication functions?
A: Some smart BMS models support UART, RS485, CAN, Bluetooth, or WiFi communication. Hardware BMS models may not support communication.
Q6: Can you provide wiring diagrams and datasheets?
A: Yes. We can provide datasheets, wiring diagrams, and technical support for model selection and installation. If you are not sure which model to choose, please contact Cara for support.