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  • $11.79
  • Free 30-day Returns
  • Ships from China.
    Sold by ThermalNest

    Shipped by ThermalNest

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    Meet Your Seller

    AJMRTC DC 5V 2A Mobile Power DIY Module, 3.7V Lithium Battery Charge Discharge Boost Protection Board with Power Indicator, 4.2V Charging Step-Up Converter Module for DIY Power Bank Electronic Project

    • - Integrated charge, discharge, boost and protection functions for 3.7V lithium batteries, output stable DC 5V up to 2A
    • - Supports 4.2V lithium battery charging, built-in multiple safety protections against overcharge, over-discharge and short circuit
    • - Power indicator design clearly shows remaining battery level for convenient status monitoring
    • - Compact circuit board, easy wiring and assembly, ideal for DIY mobile power bank and small electronic projects
    • - Efficient step-up conversion module, low standby power loss, reliable performance for portable power builds
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    Overview
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    AJMRTC 3.7V lithium battery mobile power DIY board is an all-in-one charge discharge boost protection module for DIY power bank projects. This module supports 4.2V lithium battery charging and converts 3.7V battery voltage to stable DC 5V output with maximum 2A current. Built-in multi-protection circuits prevent overcharging, over-discharging, over-current and short circuit to safeguard your lithium battery and connected devices. The onboard power indicator helps you quickly check battery remaining capacity. Compact size and simple wiring design make it perfect for custom portable power supplies, small electronic power transformation and hobby DIY projects. Every module is tested before shipment to ensure stable conversion performance and reliable safety protection.


    Specifications
    1. Brand: AJMRTC
    2. Input Battery: 3.7V Lithium Battery (4.2V Full Charge)
    3. Output Voltage: DC 5V
    4. Max Output Current: 2A
    5. Functions: Charging, Discharging, Boost Conversion, Multi Safety Protection, Power Indicator
    6. Application: DIY Mobile Power Bank, Electronic Hobby Projects


    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

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