Search in Cartup

3.7V Li-ion Rechargeable Battery Charger – Single Slot Smart Charger for 18650, 16340, 14500 Lithium Batteries for Flashlights, Arduino & DIY Electronics Projects



Brand: No Brand


120170-29%

In Stock

SKU: CU-1740531-3019704


Specifications


⚙️ Specifications:

  • Model: Single Slot 3.7V Li-ion Battery Charger
  • Input Voltage: AC 100–240V, 50/60Hz
  • Output Voltage: DC 4.2V ± 0.05V
  • Charging Current: 500mA – 1000mA (auto-regulated)
  • Supported Battery Types: 18650, 16340, 14500, 26650 (Li-ion 3.7V)
  • Charging Mode: Constant Current / Constant Voltage (CC/CV)
  • Indicator Light: Red (Charging), Green (Fully Charged)
  • Material: Fire-retardant ABS plastic housing
  • Cable Type: Built-in power cord or USB (varies by version)
  • Operating Temperature: 0°C – 40°C
  • Dimensions: Approx. 110mm × 40mm × 35mm
  • Weight: Approx. 60g

🌟 Key Features:

  • 🔋 Compatible with multiple Li-ion battery sizes (18650, 16340, 14500, etc.)
  • ⚙️ Smart charging with CC/CV technology for safety
  • 💡 LED status indicator for easy monitoring
  • 🔧 Overcharge, short-circuit, and overheating protection
  • 💻 Ideal for Arduino, robotics, and DIY power projects
  • 🚀 Compact, lightweight, and portable design
  • 🔌 Supports universal AC input for convenience

💡 Applications:

  • ✅ Charging 18650, 14500, and other 3.7V Li-ion cells
  • ✅ Powering DIY electronics and robotics projects
  • ✅ Arduino and ESP32 portable systems
  • ✅ Flashlights, power banks, and wireless devices
  • ✅ Educational, lab, and prototyping use

📦 Package Includes:

  • 1 × Single Slot 3.7V Li-ion Battery Charger

Product Details

Product Description:

The 3.7V Li-ion Rechargeable Battery Charger (Single Slot) is a compact and efficient smart charger designed for charging a wide range of Li-ion rechargeable batteries, including 18650, 16340, 14500, and 26650 types.

Featuring automatic constant current (CC) and constant voltage (CV) charging modes, this charger ensures safe, fast, and reliable charging without overcharging or overheating your batteries.

Its LED indicator displays the charging status — red for charging and green when fully charged — making it user-friendly and ideal for DIY, Arduino, robotics, and power bank applications.

This single-slot charger is perfect for makers, hobbyists, and professionals who frequently use 3.7V Li-ion batteries in their projects and devices.

Sold By

Positive Seller Ratings

100%

Delivery

Inside Dhaka

Standard delivery

Free

Service

7 Days Returns

Change of mind is not applicable as a Return Reason. To learn more, please check Return Policy

No Warranty

Ratings & Reviews of 3.7V Li-ion Rechargeable Battery Charger – Single Slot Smart Charger for 18650, 16340, 14500 Lithium Batteries for Flashlights, Arduino & DIY Electronics Projects


Questions about this product ()

Login or Register to ask questions to seller