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  • 3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original
  • 3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original
  • 3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original
  • 3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original
  • 3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original
3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original

3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original

$0.17-$0.27/ Piece|1 Piece/Pieces(Min. Order)
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3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Regulation & Conversion: Adjustable step-up/down output (3.7V, 5V, 9V) to power diverse devices, ensuring stable voltage for batteries and connected electronics.
  • Battery Management: Safely charges and discharges 18650 lithium batteries with built-in protections (overcharge, overcurrent, short-circuit).
  • Dual Connectivity: Features USB Type-A and Micro-USB ports for flexible charging/data transfer compatibility.

Key features

  • 1. Material Technology

    • With FR4 material construction, you can achieve stable power management in demanding environments*.

  • 2. Interactive Design

    • With a compact, modular design and dual USB connectors (Type-A and Micro-USB), you can seamlessly integrate into space-limited devices for charging or data transfer*.

  • 3. Performance Parameters

    • With adjustable output voltages (3.7V/5V/9V) and 2A current capacity, you can meet diverse power demands for portable devices like power banks or wearable electronics*.

  • 4. Scenario Solutions

    • With overcharge/overcurrent protections and battery terminals, you can ensure reliable power conversion for on-the-go use in both home and commercial settings*.

  • 5. Certification Standards

    • With safety-focused design features (e.g., voltage regulation and protection ICs), you can comply with industry safety standards for battery management systems*.

  • Notes:

    • Material Technology: FR4 is highlighted for durability and electrical stability.

Product details

3.7V 9V 5V 2A Adjustable Step up 18650 Lithium Battery Charging Lithium Battery IC New Original

The 3.7V/5V/9V Adjustable Step-Up 18650 Lithium Battery Charging IC is a compact power management module designed for versatile energy conversion. With adjustable output voltages (3.7V, 5V, 9V) and a 2A current rating, it efficiently manages power from 18650 lithium batteries for devices like drones, IoT gadgets, or portable electronics. Built with FR4 PCB and robust protection features, it ensures safe charging and stable voltage regulation in diverse applications.

Technical specifications

FeatureSpecificationBenefit
Output VoltageAdjustable 3.7V/5V/9VPowers devices from low-power sensors to USB peripherals
Max Current2ASupports high-demand applications
Protection FeaturesOvercharge, Overcurrent, Short CircuitEnsures battery longevity and safety
Input Voltage3.7V (18650 Lithium Battery)Direct compatibility with common battery types
ConnectorsUSB Type-A, Micro-USBFlexible connectivity for charging/data
MaterialFR4 PCBDurable and heat-resistant construction
Dimensions30mm x 20mmCompact design for space-constrained projects

Customization guide

Adjustable voltage settings and modular design allow customization for specific applications:

  • Voltage Adjustment: Tailor output voltage (3.7V–9V) to match device requirements.
  • Protection ICs: Swap components like the TC4056A or CK9T0S1 for enhanced safety in industrial environments.
  • Battery Compatibility: Integrate with different 18650 battery types for varied power needs.

Get inspired

With its adjustable voltage range and rugged construction, this module is ideal for powering drones, wearable tech, or emergency backup systems. For example, set it to 5V to charge smartphones or 9V to drive high-power sensors.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Output Voltage Range3.7V–5V3.7V–9V3.7V–12V
Max Current2A2.5A3A
Protection FeaturesBasic (OC/SC)Enhanced (OC/SC/OVP)Premium (OC/SC/OVP/Temp)
Efficiency85%88% (+3% vs Base)92% (+20% faster charging)

Supplier's note

  1. Technical Breakthroughs:

    • Adjustable Voltage Range: Enables compatibility with devices requiring 3.7V–12V, expanding use cases beyond standard modules.
    • Enhanced Protection: The Pro Model’s overvoltage protection (OVP) and temperature monitoring prevent damage in extreme conditions.
    • Compact FR4 Design: Reduces size by 30% compared to traditional modules, ideal for portable devices.

  2. Optimal Version Selection:

    • Base Model: Suitable for basic charging needs (e.g., powering IoT sensors).
    • Advanced Model: Choose for projects requiring 9V (e.g., drone motors) and moderate current.
    • Pro Model: Industrial or high-current applications (e.g., power tools) benefit from its 12V output and 92% efficiency.

With the Pro version’s triple-layer protection and 20% faster charging, users can safely power demanding devices like robotics kits or medical equipment. Pair its 12V output with high-power LEDs to create bright portable lighting solutions.

Frequently asked questions

  • Which power management module suits portable devices needing adjustable voltage (3.7V/5V/9V)?

  • How do I maintain the USB Type-A and Micro-USB connectors on the power management PCB?

  • What materials make this PCB better for battery management compared to others?

  • Can this module be customized for a 9V output in robotics projects?

  • Is the 18650 battery charging IC compliant with safety standards?

  • What’s the advantage of the 2A current rating for power tools?

  • Does this PCB support simultaneous charging and power output?

  • How does the step-up converter handle voltage fluctuations?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage RegulationPortable devices, IoT sensors±5% (Industry Standard)±3% (Our Base ▲)±2% (Our Advanced ▲▲)
(Accuracy: 98% vs 97.5% vs 98.5%)
Protection FeaturesIndustrial batteries, automotive systemsBasic overcharge (Standard)Overcharge/overdischarge (Base ▲)+ short-circuit/overtemp (Advanced ▲▲)
(ISO 17025 certified)
EfficiencySolar-powered devices, drones85% (Standard)90% (Base ▲)92% (Advanced ▲▲)
(IEC 61000-3-2 compliance)
CompatibilityMulti-battery setups, robotics1-2 chemistries (Standard)3-4 types (Base ▲)5+ types (Advanced ▲▲)
(Supports LiFePO4, NiMH, etc.)
Physical DesignWearables, handheld tools60x40mm (Standard)50x30mm (Base ▲)40x25mm (Advanced ▲▲)
(FR4 PCB with 2-layer layout)
CustomizationDIY projects, industrial automationFixed 5V output (Standard)Adjustable 3-9V (Base ▲)Full 1.2-20V range (Advanced ▲▲)
(PWM-based voltage control)

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