4.2V AC 18650 Lithium Battery Charger – US & EU Compatible
4.2V AC Lithium Battery Charger for 18650 Batteries
Keep your flashlights and headlamps powered up and ready to go with this compact, reliable 4.2V AC lithium battery charger. Compatible with widely used 18650 rechargeable lithium batteries, this universal charger plugs straight into any standard wall outlet — making it an essential accessory for outdoor enthusiasts, campers, hikers, and everyday users who rely on rechargeable lighting gear.
With dual compatibility for both US and EU plugs and a wide AC input range of 100–250V, this charger works seamlessly wherever you are in the world. Its compact body and 600mm cable give you the reach and convenience needed for hassle-free charging at home, in the office, or while travelling.
Key Features
- Universal Voltage Input: AC 100–250V, 50–60Hz — compatible with US and EU power outlets
- Regulated Output: DC 4.2V ± 0.5V at 450mA — ideal for standard 18650 lithium cells
- Compact & Portable: Measures just 55 × 20 × 70 mm — easy to stash in a bag or kit
- Generous Cable Length: 600mm total cable length (cable + head) for flexible placement
- Wide Compatibility: Designed for 18650 rechargeable batteries used in flashlights and headlamps
- Durable Build: Solid black housing with a clean, no-fuss design
- Brand New & High Quality: 100% new — straight out of the box and ready to use
Specifications
| Color | Black |
| Input | AC 100–250V, 50–60Hz |
| Output | DC 4.2V ± 0.5V, 450mA |
| Cable + Head Length | 600 mm |
| Dimensions | 55 × 20 × 70 mm |
| Compatible Batteries | 18650 Rechargeable Lithium Batteries |
| Country of Origin | Made in China |
What's in the Box
- 1 × AC Lithium Battery Charger (US/EU Plug)
Great With These Products
Pair this charger with other tools and accessories from our store:
- 10-Pc Hex Nut & Bolt Extractor Kit 9–19mm | HIP Tools
- 105° Right Angle Driver with 1/4" Hex Screwdriver Bit | HIP
- 10-Piece Gardening Tool Kit – Iron Head & Plastic Handle
Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What battery types is this 4.2V lithium charger compatible with?
A: This charger is specifically designed for 18650 rechargeable lithium batteries, which are commonly used in flashlights, headlamps, and similar lighting devices. Always ensure your battery is rated for 4.2V maximum charge voltage before use.
Q: Can I use this charger in both the US and Europe?
A: Yes! This charger supports a wide input voltage range of AC 100–250V at 50–60Hz, making it compatible with standard US and EU wall outlets right out of the box. Please confirm the correct plug type for your region before ordering.
Q: How long is the charging cable?
A: The total cable length including the connector head is 600mm (approximately 60cm), giving you enough reach for comfortable placement near most standard wall outlets.
Q: Is this charger safe to leave unattended while charging?
A: While this charger features a regulated output of DC 4.2V ± 0.5V, we always recommend monitoring your battery during charging and never leaving it unattended for extended periods. Use only with compatible 18650 lithium cells rated for the specified output.
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.