Universal 3.7V Smart Lithium Battery Charger – 18650 & 14500

Universal Smart Lithium Battery Charger with LED Indicator

Keep your rechargeable lithium batteries topped up and ready to go with the kebidumei Universal 3.7V Smart Battery Charger. Compatible with the most popular lithium battery sizes — including 18650, 16650, and 14500 — this compact, intelligent charger is a must-have for everyday users, travelers, and outdoor enthusiasts alike. Made in Mainland China.

Key Features

• Wide Compatibility: Works with 18650, 16650, and 14500 lithium batteries, making it a truly versatile charging solution for flashlights, cameras, power banks, and more.
• LED Indicator: The built-in LED indicator lets you monitor charging status at a glance — no guesswork, no overcharging.
• Smart Quick Charge: Intelligent charging circuitry automatically adjusts the charge rate to suit your battery, helping extend overall battery lifespan.
• AC & DC Power Options: Dual power input (AC and DC) means you can charge at home, in the office, or on the road — perfect for on-the-go lifestyles.
• Compact & Portable: Its slim, lightweight design slips easily into a bag or travel kit, so you're never caught with a dead battery.
• Safe & Reliable: Built with no high-concern chemicals and protective charging circuitry to ensure safe, dependable performance every time.

Specifications

• Brand: kebidumei
• Voltage: 3.7V
• Compatible Battery Types: 18650, 16650, 14500 Lithium
• Power Source: AC & DC
• Indicator: LED Status Light
• High-Concern Chemicals: None
• Origin: Made in Mainland China

Who Is This For?

Whether you use high-drain batteries for flashlights, vape mods, camping gear, or portable electronics, this smart charger keeps your power supply reliable. It's an ideal companion alongside other portable travel essentials.

Looking for more travel and on-the-go convenience? Check out our Portable Inflatable Travel Waist Cushion and our Foldable U-Shaped Inflatable Neck Pillow — perfect travel companions for your next trip.

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: Which battery sizes does this universal lithium battery charger support?

A: This smart charger is compatible with 18650, 16650, and 14500 lithium batteries at 3.7V, covering a wide range of commonly used rechargeable lithium cell formats for flashlights, portable electronics, and more.

Q: How does the LED indicator work on this battery charger?

A: The built-in LED indicator displays real-time charging status. It typically shows one color or light pattern while charging and changes when the battery is fully charged, helping you avoid overcharging and keeping your batteries in great condition.

Q: Can I use this charger while traveling internationally?

A: Yes! This charger supports both AC and DC power inputs, making it flexible for use at home, in a car, or while traveling. Be sure to check local voltage and plug compatibility with a suitable adapter for your destination.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.