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  • ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino
  • ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino
  • ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino
  • ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino
ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino
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ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino

  • >= 10 Pieces
    $0.50

Customization:

Customized logo（Min.Order: 100 pieces）
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ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Dual 18650 Battery Management: Designed to securely hold and manage two 18650 lithium batteries, providing stable power output for electronics.
  • Multi-Voltage Output: Offers dual voltage options (5V/2.2A and 3V/1A) to power a wide range of devices, including IoT modules (ESP8266/ESP32), Arduino boards, and portable electronics.
  • Integrated Protection: Built-in circuits for overcharge, over-discharge, and short-circuit protection, ensuring safe and reliable battery operation.
  • USB Power Bank Functionality: Features a USB port for charging external devices or recharging the battery pack via standard micro-USB input.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a corrosion-resistant metal contact design and durable ABS plastic body, ensure reliable conductivity and robustness in rugged environments compared to plastic-contact or flimsy alternatives*

  • 2. Modular and User-Friendly Design

    • With a modular design featuring mounting holes and clear terminal labeling, simplify installation and customization for diverse projects faster than non-modular solutions*

  • 3. Dual Voltage Output Flexibility

    • With dual output voltages (5V/2.2A and 3.3V/1A), power high-current and low-voltage devices simultaneously, outperforming single-output modules*

  • 4. Versatile Power Bank Functionality

    • With a USB port and support for two 18650 batteries, function as a portable power bank while powering projects, enhancing versatility over standard battery holders*

  • 5. Compliance with Strict Standards

    • With CE and EPR (France/Germany) certifications, meet safety and environmental regulations in Europe, ensuring compliance over non-certified alternatives*

Product details

ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 5V 2.2A 3V 1A Mobile Power Bank Battery Charging Module Micro USB For Arduino

The ESP8266 ESP32 Dual 18650 Lithium Battery Shield V8 is a compact, modular power solution designed for Arduino-based projects and portable devices. With dual 18650 battery support, it delivers stable 5V/2.2A or 3V/1A outputs via a USB port, ensuring compatibility with a wide range of electronics. Built with CE and EPR-certified materials, this shield combines rugged ABS plastic construction with corrosion-resistant metal contacts for reliable performance in demanding environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialABS plastic body, brass/copper contactsDurability in DIY projects and portable devices
Output Voltage5V (2.2A) / 3V (1A)Power Arduino boards, sensors, or USB devices
CertificationsCE, EPR_France_Packing, EPR_Germany_PackingCompliance for EU market deployment
Protection CircuitsOvercharge/over-discharge/short-circuitSafe operation in high-current scenarios
Modular DesignMounting holes, USB portCustom integration into robotics or IoT systems

Customization guide

Adjustable voltage settings (3V/5V) and modular mounting options allow tailoring to specific project requirements. For high-current applications, prioritize the 5V output configuration.

Get inspired

Power your smart home sensors, portable electronics, or emergency devices with this reliable shield. Its USB port enables quick charging of peripherals, while its rugged design ensures longevity in outdoor or industrial setups.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Output5V/2.2A5V/2.2A + 3V/1A5V/3.0A + 3V/1.5A*
Protection FeaturesBasic (overcharge)Overcharge/over-dischargeFull protection (temp./current)
CertificationsCECE + RoHSCE + RoHS + IP67
USB PortStandardFast-chargingPD 3.0 compatibility

Supplier's note

  1. Technical Breakthroughs:

    • Dual Voltage Output: With 3V/1A and 5V/2.2A options, users can power low-voltage sensors or high-current microcontrollers seamlessly.
    • Integrated USB Port: Enables direct charging of peripherals without additional wiring, 20% faster than traditional battery holders.
    • Advanced Protection Circuits: The Pro model’s temperature and current monitoring prevent 90% of common battery failures.

  2. Optimal Version Selection:

    • Base Model: Ideal for hobbyists needing basic power for Arduino projects.
    • Advanced Model: Suitable for IoT developers requiring dual voltage and RoHS compliance.
    • Pro Model: Engineers handling industrial IoT or rugged environments benefit from IP67 dust/water resistance and PD 3.0 fast-charging.

With the Pro model’s IP67 rating, you can deploy the shield in outdoor sensors, while its PD 3.0 port ensures rapid charging of drones or cameras. Pair its 5V/3.0A output with high-power LEDs for brighter, longer-lasting setups.

Frequently asked questions

  • Which ESP8266/ESP32 battery module suits Arduino projects requiring dual 18650 power?

  • How to clean metal contacts on 18650 battery shield modules to maintain conductivity?

  • ABS vs other plastics for 18650 battery holders: Which is better for DIY projects?

  • Can this 18650 shield be customized for IoT projects with mounting requirements?

  • Is the battery shield CE/EPR certified for EU use in power bank applications?

  • Does the dual 18650 module support 5V devices like Raspberry Pi or smartphones?

  • How durable is the plastic body in humid or high-temperature environments?

  • Can this module function as a mobile power bank while powering Arduino projects?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Basic Battery HoldersSimple DIY projectsSingle 3.7V output, no protection (vs 5V/3.3V▲1 in Base)Inexpensive, lightweightNo safety features, limited voltage
Standard Power BanksConsumer electronics charging5V output (1A), basic USB charging (▲1 vs Basic)Portable, widely compatibleNo customization, lower current
Advanced Battery Shields (Base)Arduino/IoT projectsDual 5V (2.2A▲1) / 3.3V (1A), overcharge protection (▲2 vs Standard), CE/EPRFlexible voltage, safe, modularSlightly bulkier, requires setup
Industrial Battery ModulesHeavy machineryHigh current (5A▲2), rugged designDurable, high powerExpensive, not portable
IoT-Compatible Power SuppliesSmart devices3.3V precise output (▲1), programmable settingsVoltage controlLimited to specific devices
Compact Portable Chargers (Advanced)Travel use5V 3A▲2 output, USB-C, fast chargingQuick charge, modern portsHigher cost, less customization

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