18650 Lithium Battery Charger – Smart 4-Slot Charging for Multiple Li-ion Sizes

Keep your rechargeable lithium batteries topped up and ready to go with this versatile 18650 Battery Charger. Available in 1, 2, or 4-slot configurations, this intelligent charger works with a wide range of cylindrical lithium battery sizes and automatically stops charging once full — so you never have to worry about overcharging.

Key Features

Universal AC Input: Compatible with AC 110–240V, 50/60Hz — works worldwide with a suitable plug adapter.
Smart Auto Cut-Off: Charging automatically stops at 4.23V cut-off voltage, protecting your batteries from overcharge damage.
4-Slot Independent Charging: Each slot charges independently with zero interference — charge up to 4 batteries simultaneously.
Two-Color LED Indicator: Red light = charging in progress; Green light = fully charged. Easy to read at a glance.
Wide Battery Compatibility: Supports 10440, 14500, 16340, 16650, 14650, 18350, 18500, and 18650 lithium batteries.
Compact Design: Measures just 125 × 92 × 30mm — great for home, office, or travel use.
Output: DC 4.2V / 600mA per slot for safe, steady charging.

Specifications

Input Voltage: AC 110–240V, 50/60Hz
Output Voltage: DC 4.2V, 600mA
Charging Cut-Off Voltage: 4.23V
Slots Available: 1 / 2 / 4
Indicator Light: Red (charging) / Green (full)
Dimensions: 125 × 92 × 30mm
Compatible Batteries: 10440, 14500, 16340, 16650, 14650, 18350, 18500, 18650
Country of Origin: Made in China

Note: Batteries are not included. This charger is for lithium-ion (Li-ion) batteries only.

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For safety guidance on handling and storing lithium-ion batteries, refer to the U.S. Consumer Product Safety Commission – Lithium Battery Safety.

Learn more: Battery charger

Frequently Asked Questions

Q: Is this 18650 battery charger compatible with batteries other than 18650?

A: Yes! This charger supports a wide range of cylindrical lithium battery sizes including 10440, 14500, 16340, 16650, 14650, 18350, 18500, and of course 18650 batteries, making it highly versatile for multi-device households.

Q: Can I use this charger in countries with 220V power outlets?

A: Absolutely. The charger accepts AC 110–240V input at 50/60Hz, making it compatible with both North American (110V) and European/international (220V) power supplies. Just ensure you use the correct plug adapter for your region.

Q: Will the charger damage my batteries if I leave them in overnight?

A: No. This smart charger features an automatic cut-off at 4.23V — once a battery is fully charged, it stops automatically to prevent overcharging, keeping your batteries safe and extending their lifespan.

Q: Can I charge different battery sizes in the same unit at the same time?

A: Yes. Each slot operates independently with no interference between slots, so you can charge different compatible battery sizes simultaneously without any issues.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

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