4 x 18650 Lithium Battery Shield V8 V9 for Arduino ESP32 ESP8266 with On-Off Button

(1 customer review)

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SKU: 1150694
  1. Buttons: 1. Voltage Switch, 2. ON-OFF
  2. Working Temperature: -20 °C~70 °C
  3. Output Port: USB or Expansion port
  4. Output Parameters: 5V/3A or 3V/1A
  5. Conversion Efficiency: up to 95% 


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Brand: Generic
Category: Battery Charging Boards

This is a 4x 18650 Lithium Battery Shield V8 V9 Mobile Power Expansion Board Module 5V/3A 3V/1A Micro USB for Arduino ESP32 ESP8266. This mobile power supply has a built-in lithium battery protection IC, which has overcurrent, overvoltage, Under voltage protection, and the module is a portable mobile power supply that supports 3V/1A and 5V/3A two voltage outputs with an onboard voltage switching and ON-OFF button

Installation of the battery must be determined positive and negative, the board has been clearly marked positive and negative Or Installation errors will burn out the module. The battery voltage works normally from 3.2V to 4.2V. 5V voltage output rated current is 3A, maximum support 3.6A current, the output of current depends on the quality of the 18650 battery.

Note: This product comes from different brands. We will ship it randomly according to availability.


  1. Supports 3V 1A voltage outputs.
  2. Supports 5V 3A voltage outputs.
  3. Micro USB charging current is 600mA-800mA.
  4. Supports up to two 18650 batteries. It is recommended to use two 18650 batteries, which can be longer.

Package Includes:

1 x 4 x 18650 Lithium Battery Shield V8 V9 for Arduino ESP32 ESP8266

SKU: 1150694 Category:
Output Voltage(V)


Output Port Type

USB or Expansion

Input Port


Conversion Efficiency(%)

95 %

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.071 kg
Shipping Dimensions 15 × 14 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Questions and answers of the customers

    can we use for raspberry pi 4 model b
  1. 0 votes
    Q can we use for raspberry pi 4 model b answer now
    Asked by alimohammed4 on August 20, 2023 12:11 am


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Country Of Origin: China