1-Bay 3.7V Lithium Battery Charger for 18650 & Multi-Size
1-Bay 3.7V Lithium Battery Charger for 18650 & Multi-Size
1-Bay Universal 3.7V Lithium Battery Charger
Keep your rechargeable lithium batteries topped up and ready to go with this compact, easy-to-use 1-bay charger. Designed for a wide range of cylindrical lithium battery sizes, it's the perfect home or travel companion for anyone who relies on rechargeable cells for flashlights, vapes, cameras, and more.
Key Features
- Wide Compatibility: Works with 10440, 14500, 16340, 17335, 17500, 17670, 18500, and 18650 lithium batteries.
- Auto-Stop Charging: Automatically stops charging when your battery reaches full capacity — no overcharging, no hassle.
- LED Status Indicator: Red light during charging, switches to green when fully charged so you always know the status at a glance.
- Universal AC Input: Accepts AC 100–240V / 47–63Hz — compatible with international wall sockets (EU plug included).
- Stable Output: Delivers a consistent DC 3.7V / 500mA output with 4.2V termination for safe, reliable charging.
- Compact & Travel-Ready: Measures just 10 × 3 × 4 cm (approx. 3.93" × 1.18" × 1.57") — lightweight and easy to pack.
- Reusable & Durable: Built for repeated use with a sturdy black casing.
Specifications
- Input: AC 100–240V / 47–63Hz
- Output: DC 3.7V / 500mA
- Termination Voltage: 4.2V ±1%
- Compatible Battery Sizes: 10440, 14500, 16340, 17335, 17500, 17670, 18500, 18650
- Plug Type: EU Plug
- Color: Black
- Item Size: 10 × 3 × 4 cm / 3.93" × 1.18" × 1.57"
- Quantity: 1 charger (batteries not included)
- Made in: Mainland China
What's in the Box?
- 1 × 1-Bay Lithium Battery Charger
- Note: Batteries are NOT included.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Which lithium battery sizes is this 1-bay charger compatible with?
A: This charger is compatible with 10440, 14500, 16340, 17335, 17500, 17670, 18500, and 18650 cylindrical lithium batteries — making it a truly versatile charging solution for most common 3.7V lithium cell sizes.
Q: Does the charger stop automatically when the battery is full?
A: Yes! The charger features an automatic cut-off function. Once your battery reaches full charge (4.2V termination), it stops automatically and the LED indicator switches from red to green, so you never have to worry about overcharging.
Q: Can I use this charger while travelling internationally?
A: The charger accepts AC 100–240V / 47–63Hz input, making it compatible with most international wall voltages. Please note it comes with an EU plug, so you may need a travel adapter depending on your destination.
Q: Are batteries included with this charger?
A: No, batteries are not included. The package contains only the 1-bay charger unit itself.
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.