Universal Li-Ion Battery Charger for Power Tools 8.4V–29.4V
Universal Li-Ion Battery Charger for Power Tools 8.4V–29.4V
Universal Li-Ion Battery Charger for Power Tools
Keep your power tools running strong with this versatile Universal Lithium-Ion Battery Charger. Compatible with a wide range of lithium battery voltages — from 8.4V all the way up to 29.4V — this intelligent charger automatically detects and delivers the right charge for your battery, making it an essential addition to any workshop or job site.
Key Features
- Wide Voltage Compatibility: Supports 8.4V, 12.6V, 16.8V, 21V, 25.2V, and 29.4V Li-ion battery packs for power tools
- Selectable Charge Rate: Choose from 1A, 2A, or 3A output current to suit your battery size and charging needs
- Intelligent Charging: Automatically monitors charge status and stops charging when the battery is full, protecting against overcharge
- Universal Input: AC 100–240V, 50–60Hz input — compatible with wall outlets worldwide
- Multiple Plug Options: Available with US, EU, UK, or AU plug — please specify your preferred plug type when ordering
- Standard Connector: 5.5 × 2.1mm DC barrel connector fits most common power tool battery interfaces
- Max Output Power: Up to 37.5W for fast, efficient charging
- Certified Safe: CE, FCC, and RoHS certified for safety and environmental compliance
Technical Specifications
| Input | AC 100–240V, 50–60Hz |
| Output Voltage | 8.4V / 12.6V / 16.8V / 21V / 25.2V / 29.4V |
| Output Current | 1A / 2A / 3A (selectable) |
| Max Output Power | ≤37.5W |
| Connector | 5.5 × 2.1mm |
| Plug Types | US / EU / UK / AU |
| Certifications | CE, FCC, RoHS |
Battery Compatibility Guide
- 4.2V output — for 3.7V single-cell lithium batteries
- 8.4V output — for 7.4V polymer lithium battery packs
- 12.6V output — for 11.1V (3S) Li-ion packs
- 16.8V output — for 14.4V (4S) Li-ion packs
- 21V output — for 18V (5S) Li-ion packs
- 25.2V output — for 21.6V (6S) Li-ion packs
- 29.4V output — for 24V (7S) Li-ion packs
What's in the Box
- 1 × Universal Li-Ion Battery Charger
Made in China.
Looking for more workshop and tool accessories? Check out the 10-in-1 Multi-Functional Bone Wrench or the 16-in-1 Multi-Function Bike Repair Tool to round out your toolkit.
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: Which power tool battery voltages is this universal Li-ion charger compatible with?
A: This universal lithium-ion charger supports output voltages of 8.4V, 12.6V, 16.8V, 21V, 25.2V, and 29.4V, making it compatible with most 2S through 7S Li-ion battery packs commonly used in cordless power tools, drills, saws, and more.
Q: How do I choose the right plug type for my country?
A: This charger is available with US, EU, UK, or AU plugs. Please indicate your preferred plug type when placing your order. If no preference is specified, the standard plug for your region will be selected automatically (e.g., US plug for the USA and Canada, EU plug for Brazil, Russia, and Spain, UK plug for England and Malaysia).
Q: Is this charger safe to leave unattended while charging?
A: Yes. The intelligent charging circuit automatically detects when the battery is fully charged and stops the charging process, helping to protect your battery from overcharging. The charger is also CE, FCC, and RoHS certified for electrical safety and environmental compliance.
Q: What connector type does this charger use?
A: The charger uses a standard 5.5 × 2.1mm DC barrel connector, which is one of the most common connector sizes found on power tool battery packs and aftermarket battery systems.
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.