MH-CD42 5V 2.1A Charge Discharge Integrated 3.7V 4.2V Lithium Battery Boost Power Battery Protection Module

Original price was: 150.00৳ .Current price is: 149.00৳ .

๐Ÿ”‹ Supports 3.7V lithium battery with 4.2V full charge cutoff
โšก Boosts output to stable 5V @ 2.1A for mobile power applications
๐Ÿ”„ Simultaneous charge & dischargeโ€”ideal for UPS setups
๐Ÿ“Š 4-level LED indicators show battery status in real time
๐Ÿง  Built-in protections: OCP, OVP, SCP, OTP for safe operation
๐Ÿ”Œ Charging input: DC 4.5Vโ€“5.5V (recommended 5V)
๐Ÿ”ง Discharge current up to 3.5A with 96% efficiency
๐Ÿ“ Compact module for DIY power banks, recorders, tablets
๐Ÿ“ฒ KEY pin for output enable/disable via low pulse trigger
๐Ÿ“ฆ Includes: 1ร— MH-CD42 integrated charge/discharge module

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Description

Description

๐Ÿ”ง Bullet Point Highlights

  • ๐Ÿ”Œ Charge/Discharge Current: Supports up to 2A for consistent power supply
  • ๐Ÿ”‹ Voltage Support: Ideal for 3.7V and 4.2V 18650 lithium batteries
  • ๐ŸŒก๏ธ Operating Temperature: Wide range from -40ยฐC to +80ยฐC โ€” suitable for indoor/outdoor use
  • ๐Ÿ–ฅ๏ธ Storage Safety Spec: Computer 105โ„ƒ STJF ๆŒฅๅ‘็‰ฉ โ‰ค โ€” optimized for heat-resilient environments
  • ๐ŸŽฏ Integrated Charge & Discharge Circuit โ€” simplifies power control in compact systems
  • ๐Ÿงฉ Applications: Arduino, STM microcontroller projects, portable electronics, robotics, and DIY power setups
  • ๐Ÿ“ Compact Design: Small form factor โ€” perfect for embedding inside small enclosures
  • ๐Ÿ“Š Stable Power Delivery: Maintains consistent voltage and current for sensitive electronics
  • ๐Ÿ› ๏ธ Plug-and-play interface with clear I/O pads โ€” great for beginner and advanced builders
  • ๐Ÿ’ช Durable and efficient โ€” designed to last under variable voltage loads and rugged conditions
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