21V Lithium Battery Charger 1A for 18V Electric Drill | Smart

21V Intelligent Lithium Battery Charger for 18V Electric Drills

Keep your cordless power tools running at full capacity with this compact 21V Lithium Battery Charger. Designed specifically for 18V lithium-ion battery packs commonly used in electric drills and power tool systems, this smart charger delivers a steady 1A charging current with built-in intelligent charging management — automatically monitoring charge status to help extend battery life and prevent overcharging.

Key Features

• Smart Charging Circuit: Intelligent charging management monitors voltage and current to optimize each charge cycle
• 21V Output / 1A: Matched for 18V lithium-ion battery packs used in standard cordless electric drills
• Compact & Portable: Measures just 8.5 × 5.3 × 4.8 cm (3.34 × 2.08 × 1.88 in) — easy to store in your toolbox or workshop drawer
• Durable Plastic Housing: Lightweight yet sturdy construction built for regular workshop use
• Multiple Plug Options: Available in EU and US plug configurations to suit your region
• Available in 3 Colors: Choose the color that fits your setup

Specifications

• Output Voltage: 21V
• Charging Current: 1A
• Compatible Battery Type: 18V Lithium-ion
• Material: Plastic
• Dimensions: 8.5 × 5.3 × 4.8 cm / 3.34 × 2.08 × 1.88 in
• Plug Types: EU / US
• Brand: Qme

Why Choose This Charger?

A dead battery shouldn't slow down your project. This intelligent charger is a reliable, affordable way to keep your 18V drill batteries topped up and ready to go. Its small footprint means it fits neatly on any workbench, while the smart circuitry gives you confidence that your battery is being charged safely and efficiently every time.

For more on lithium-ion battery safety and best practices, visit the U.S. Consumer Product Safety Commission – Lithium-Ion Battery Safety.

Frequently Asked Questions

Q: Which batteries is the 21V Lithium Battery Charger compatible with?

A: This charger is designed for 18V lithium-ion rechargeable battery packs, such as those used in many standard cordless electric drills and similar power tools. It outputs 21V at 1A, which is the correct charge voltage for 18V Li-ion packs. Always verify your battery pack's specifications before use.

Q: What does "intelligent charging" mean for this charger?

A: The intelligent charging circuit monitors the battery's voltage and current during the charging process. This helps optimize the charge cycle, reduces the risk of overcharging, and can help extend the overall lifespan of your lithium-ion battery pack.

Q: Is this charger available for both US and EU outlets?

A: Yes! The charger is available in both US and EU plug configurations. Simply select the version that matches your local wall outlet when ordering.

Q: How large is this charger — will it fit in my toolbox?

A: Absolutely. The charger measures just 8.5 × 5.3 × 4.8 cm (approximately 3.34 × 2.08 × 1.88 inches), making it very compact and easy to store in a toolbox, workshop drawer, or carry bag alongside your drill.