USB Lithium Battery Charger

Compatible Cylindrical Batteries: 

• Sizes: 18650, 21700, 22650, 16340
• Lithium-ion with charging voltage of 4.2V
• Not to be used for LFP or Sodium-ion

Overview:

This Universal USB Battery Charger Adapter is an intelligent, single-slot charger designed for a variety of rechargeable 3.7V nominal lithium batteries, including 18650, 21700, 22650, and 16340. With advanced safety features and a sleek design, this charger ensures that your batteries are charged efficiently and safely, making it an essential accessory for your power needs.

Key Features:

• Intelligent Charging: Equipped with IC control and a built-in reference voltage to guarantee a full battery charge (with a charge rate of ≥99%), ensuring both efficiency and safety.
• Polarity Recognition: Automatically recognizes battery polarity, allowing for charging in both positive and negative orientations, enhancing user convenience and safety.
• Short-Circuit Protection: Features a short-circuit protection function where the short-circuit IC automatically cuts off output, providing an additional layer of safety.
• Stable Voltage Output: Offers a stable and accurate voltage output during no-load conditions, protecting the battery and ensuring safe operation.
• LED Indicators: LED lights provide clear charging status—green when the charger is empty, red flashing when charging, and green again when fully charged, preventing overcharging and ensuring battery longevity.
• Sleek Design: The charger’s simple, stylish, and compact design offers a modern look and a brand new charging experience.
• Compact Design: Small, lightweight, and portable. This charger is perfect for travel and everyday use.
• Easy to Use:  Plug-and-play functionality makes charging your batteries simple and convenient.
• Safety Protections:  Equipped with reliable protections against overheating, overcurrent, overcharge, and overdischarge.

Specifications:

• Input Voltage:  5V
• No-Load Voltage: DC 4.15V-4.25V
• Load Current: 350mA, ±30mA
• Compatible Batteries: 
  • 16340
  • 18650 - most common
  • 21700
  • 22650
• Output Interface:  USB
• Intelligent Charge:  Yes

Package Includes:

• 1x USB Battery Charger (battery not included)

Applications:

Ideal for use with RVs, vans, campers, EVs, boats, yachts, golf carts, forklifts, and solar battery systems, this charger is a versatile tool for keeping your power needs met in a variety of situations.