Skywolfeye Smart 18650 Battery Charger, Rechargeable 3.7V 4-Button-Top Charger for Surveillance Equipment, Flashlights, Headlights, Fans, Digital Cameras, Toy Cars, Doorbells

Technical Specs

Key Terms: Voltage is the electric force that powers the charger (measured in volts). Four-slot means it can charge up to four batteries at once. USB interface refers to the common plug type used for charging devices.

About This Item

Intelligent four-slot battery charger – The USB cable charger can be connected to the mobile phone charger, computer, etc., for charging, easy to carry. Red light when charging, green light when full.（Not Include Battery) ⚡

suitable for electronic devices, such as doorbells, LED flashlights, emergency lights, portable devices, headlights, toys, remote controls, etc.（Not Include Battery)

No Standalone lithium batteries are sold with the product

Universal USB interface – The working voltage of the battery charger is 5V, USB charging can help travelers recharge.

Product Description

Smart 4-slot charger

All About the Skywolfeye Smart 18650 Charger

Specifications: The Skywolfeye Smart 18650 Battery Charger is a cool little device for charging 3.7V button-top batteries. It has four slots and measures 1.37″D x 3.85″W x 5.5″H (or 4.92 x 3.74 x 1.38 inches, depending on the listing). It weighs 0.28 kilograms (or 9.9 ounces). The input voltage is 5 volts, and it outputs 3.7 volts to your batteries. It’s been available since November 13, 2023, and comes from a generic brand made by “1.”

Benefits: This charger is awesome because it can handle four batteries at once, and it’s super easy to carry around with its USB cable. You can plug it into your phone charger or computer, making it great for travel. The red and green lights tell you exactly when your batteries are charging or full, so there’s no guessing. It works with tons of stuff like flashlights, toy cars, and doorbells!

Usage Instructions: Grab a USB cable and plug it into the charger, then connect it to a phone charger or computer. Pop up to four 18650 button-top batteries into the slots. The red light will show it’s charging, and it’ll turn green when they’re ready. Take the batteries out when done, and unplug the charger.

Care Guidelines: Keep this charger away from water and dust. If it gets dirty, wipe it with a soft, dry cloth—don’t use wet stuff or chemicals. Store it in a dry, cool place when you’re not using it. Check the slots and USB port sometimes to make sure they’re clean and not bent, so it keeps working great for all your gadgets.