ESP8266 NodeMCU WiFi Development Board 30-Pin with CH340
ESP8266 NodeMCU WiFi Development Board 30-Pin with CH340 Original price was: 200,00 EGP.Current price is: 160,00 EGP.
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2S 7.4V 8A Lithium Battery BMS Protection Module (Balanced)

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SKU: 4557096

Original price was: 50,00 EGP.Current price is: 40,00 EGP.

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The 2S 7.4V 8A Lithium Battery BMS Protection Module is a compact balanced protection circuit designed to safeguard 2-cell (2S) lithium-ion or Li-Po battery packs during charging and discharging. It watches each cell individually and cuts the circuit the instant a dangerous voltage or current condition is detected, keeping the pack safe and balanced.

Key features:

  • Cell Balancing: Actively balances the two series cells during charging to keep them at equal voltage and extend pack life.
  • Overcharge Protection: Cuts off charging when any cell reaches approximately 4.25V to prevent damage.
  • Over-Discharge Protection: Disconnects the load when cell voltage drops too low, protecting battery longevity.
  • Overcurrent & Short-Circuit Protection: Automatically shuts down under excessive current draw or a short circuit.
  • Compact Design: Small footprint fits easily inside battery packs, power banks, and DIY battery builds.

It is a popular choice for robotics, RC packs, e-bikes, and other projects built around 2S lithium battery packs that need reliable, hands-off protection.

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Specification

Technical Specification

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

Display

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

RAM

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

Storage

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

Video Card

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

Connectivity

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

Features

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

Battery

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

General

Cell Configuration

2S (2 Cells in Series)
Nominal Voltage

7.4V
Max Continuous Current

8A
Overcharge Protection

4.25V ±0.05V per cell
Over-discharge Protection

2.5V ±0.1V per cell
Balance Function

Yes (Balanced Version)
Operating Temperature

-40°C to +85°C

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Microcontroller

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Operating Voltage

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Digital I/O Pins

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