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2S 7.4V 18650 Protection Module – Round Shape (HX-2S-A2)

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₦ 1,500.00

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2S 7.4V 18650 Protection Module – Round Shape (HX-2S-A2)
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2S 7.4V 18650 Protection Module – Round Shape (HX-2S-A2)

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₦ 1,500.00 1500.0 NGN ₦ 1,500.00

₦ 1,500.00

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The HX-2S-A2 is a reliable and compact 2S lithium battery protection board designed for 7.4V (2-cell) 18650 battery packs. It features a circular form factor ideal for integrating within cylindrical battery setups. This module ensures safe operation of lithium-ion cells by offering overcharge, over-discharge, short circuit, and overcurrent protection. It is built to handle moderate power loads and is suitable for various low-power electronics projects. Features

  • Round compact design (17.5mm diameter) optimized for cylindrical battery configurations

  • Integrated protection against overcharge, over-discharge, overcurrent, and short circuit

  • Long operational lifespan of over 50,000 hours

  • Short circuit protection with automatic recovery after charging

  • Ultra-low quiescent current consumption

  • High reliability and performance in wide operating temperature conditions

Specifications

  • Model: HX-2S-A2

  • Battery Configuration: 2S (7.4V nominal)

  • Charging Voltage: 8.4V–9V

  • Overcharge Voltage Range: 4.25V–4.35V ± 0.05V

  • Over-discharge Voltage Range: 2.5V–3.0V ± 0.05V

  • Continuous Operating Current: 5A

  • Peak Instantaneous Current: 7A

  • Quiescent Current: <10µA

  • Internal Resistance: <300mΩ

  • Operating Temperature: -40°C to +50°C

  • Storage Temperature: -40°C to +80°C

  • Size: 17.5 × 17.5 × 3.2 mm

  • Effective Life: >50,000 hours

Connector Description

  • B+: Connect to battery positive terminal

  • B−: Connect to battery negative terminal

  • MB: Connect between the first and second battery (mid-point tap)

  • P+: Positive terminal for both charging and discharging

  • P−: Negative terminal for both charging and discharging

Important Notes

  • This protection module is not suitable for use with:

    • Lithium iron phosphate (LiFePO4) batteries

    • High-drain applications like hernia lamps, hand drills, electric bicycles, fish machines

    • Motors drawing >4A (e.g., 775 motors), or high-power LEDs (e.g., 1W fish-eye LEDs)

  • Batteries must be in good condition—excessive heat indicates the battery is incompatible or defective

  • Do not continue use if the battery heats up during operation to avoid damage or failure

Applications

  • 2-cell 18650 lithium-ion battery packs

  • Portable low-power devices

  • DIY electronics and robotics

  • Low-power LED systems

  • Battery-powered instruments and toys

  • Wearable or compact embedded electronics