DC 5V 2.1A Charge/Discharge/Boost/Battery Protection/Indication Module 3.7V 4.2V Lithium Batter

$20.95
+ $14.49 Shipping

DC 5V 2.1A Charge/Discharge/Boost/Battery Protection/Indication Module 3.7V 4.2V Lithium Batter

  • Brand: Unbranded

DC 5V 2.1A Charge/Discharge/Boost/Battery Protection/Indication Module 3.7V 4.2V Lithium Batter

  • Brand: Unbranded
RRP: $41.95
Price: $20.95
You save: $21.00 (50%)
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$20.95
+ $14.49 Shipping

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Description

4 in 1 Charge/Discharger/Lithium Battery Protection/Battery Indicator Module Specification: Charge voltage: DC 4.5V-5.2V (recommend DC 5V) Charging current: 0-2.1A Charge quiescent current: 100uA Full charge voltage: 4.2V1% Discharge current: 0-3.5A Discharge quiescent current: 50uA Discharge conversion efficiency: Max 96% Output voltage: 5V Output current: 0-2.1A Operating temperature: -20~85 Size: 26.7*18.1*5.7mm Weight: 1.9g Comes with battery protection functions, do not need battery protection board: Overcurrent protection(OCP) Overvoltage protection(OVP) Short circuit protection(SCP) Over temperature protection(OTP) Pin description: VIN: Charging port + GND: Charging port - BAT: Battery port + GND: Battery port - GND: Output port - VOUT: Output port + KEY: Output trigger port(Low pulse trigger) How to use: 1. In discharge mode(In the charging mode, the KEY function is invalid), trigger the KEY once - turn on the output; Continuously trigger KEY twice - turn off the output. 2. When connecting the load for the first time, it will automatically turn on the output. If the load is less than 50mA, the output will be turned off after 30 seconds; If the load is more than 50mA, it will continuously turn on the output.
  • Fruugo ID: 316868763-704953359
  • EAN: 7467534076681

Product Safety Information

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The following information is provided by the independent third-party retailer selling this product.

Safety Warnings: Do not let your children touch this product alone to avoid swallowing or other injuries.

Delivery & Returns

Dispatched within 3 days

  • STANDARD: $14.49 - Delivery between Wed 08 October 2025–Wed 15 October 2025

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Product Compliance Details

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Manufacturer
The following information outlines the contact details for the manufacturer of the relevant product sold on Fruugo.

  • 91440300MA5HDL2A4K
  • SHEN ZHEN SHI LAI LI ZHU BAO SHI PIN MAO YI YOU XIAN GONG SI
  • Room B, 21F, Block A, Jingang Huating, 4009 Baoan Avenue, Yantian Community, Xixiang Street, Baoan District, Shenzhen
  • Shenzhen
  • CN
  • 518102
  • 939301410@qq.com
  • 15625700418

Responsible Person in the EU
The following information outlines the contact information for the responsible person in the EU. The responsible person is the designated economic operator based in the EU who is responsible for the compliance obligations relating to the relevant product sold into the European Union.

  • 950891051
  • MJCM SARL
  • 78 avenue des Champs Elysees Bureau 326, 75008 Paris, France
  • Paris
  • FR
  • 75008
  • mjcm190928@gmail.com
  • 0033 767213611