21V 25.2V Lithium Battery Charger for Power Tools US EU UK
21V & 25.2V Intelligent Lithium Battery Charger for Power Tools
Keep your cordless power tools running at peak performance with this versatile intelligent lithium battery charger. Compatible with 18.5V and 22.2V lithium battery packs, this charger supports output voltages of 21V and 25.2V and is available in multiple current ratings — 500mA, 850mA, 1A, 1.2A, 2A, and 3A — to suit a wide range of power tool batteries. With a universal AC input (100–240V, 50/60Hz), it works seamlessly in homes and workshops around the world.
Certified to RoHS, CE, and FCC standards, this charger is built to deliver safe, reliable, and efficient charging every session. The intelligent charging circuit monitors the battery and stops automatically when fully charged, protecting your battery from overcharging and extending its lifespan.
Made in Mainland China.
Key Features
- Dual Voltage Output: 21V (fits 18.5V Li-ion packs) and 25.2V (fits 22.2V Li-ion packs)
- Multiple Current Options: 500mA, 850mA, 1A, 1.2A, 2A, 3A — choose the right current for your battery
- Universal AC Input: AC 100–240V, 50–60Hz — compatible worldwide
- Max Output Wattage: Up to 37.8W
- Connector: Standard 5.5×2.1mm DC barrel connector
- Intelligent Charging: Automatically stops when battery is fully charged
- Multi-Plug Compatibility: Available with US, EU, or UK plug — please specify at checkout
- Certified: RoHS, CE, FCC compliant for safety and performance
Technical Specifications
| Input | AC 100–240V, 50–60Hz |
| Output Voltage | DC 21V / 25.2V |
| Output Current | 500mA, 850mA, 1A, 1.2A, 2A, 3A (selectable) |
| Max Output Power | 37.8W |
| Connector | 5.5×2.1mm DC Barrel |
| Compatible Battery | 18.5V Li-ion (21V charger) / 22.2V Li-ion (25.2V charger) |
| Plug Type | US / EU / UK (specify at order) |
| Certifications | RoHS, CE, FCC |
What's in the Box
- 1× Lithium Battery Charger
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Frequently Asked Questions
Q: Which lithium battery packs is this charger compatible with?
A: The 21V output mode is designed for 18.5V lithium battery packs, while the 25.2V output mode is designed for 22.2V lithium battery packs. Both are commonly used in a wide variety of cordless power tools.
Q: What plug types are available, and how do I choose mine?
A: This lithium battery charger is available with a US, EU, or UK plug. Please specify your preferred plug type at the time of ordering. If no preference is noted, the seller will ship the standard plug for your region (e.g., US plug for USA/Canada, EU for Europe/Brazil, UK for England/Malaysia).
Q: Does this charger stop automatically when the battery is full?
A: Yes. The intelligent charging circuit monitors the battery level and automatically cuts off the charge once the battery is fully charged, helping to protect battery health and prevent overcharging.
Q: What is the connector size on this charger?
A: The charger uses a standard 5.5×2.1mm DC barrel connector, which is widely compatible with many power tool battery docks and DIY charging setups.
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.