Yofidra High Capacity 18V 21V Lithium Ion Battery Replacement Professional Tools

Designed for demanding job sites, the Yofidra 18V–21V lithium-ion battery offers extended runtime and consistent power for your professional power tools. Ideal for craftsmen, electricians, drywall installers, carpenters, and maintenance teams, it effectively replaces worn-out batteries and ensures your workflow remains efficient. Its high-performance Li-ion chemistry delivers stable performance, even with intensive use, with several capacities to choose from to suit your work rhythm.

Key Features

• 18V–21V Power: stable voltage for strong starts and sustained torque on drills, screwdrivers, and grinders.
• Choice of Runtime: 7.5 Ah / 15 Ah / 22.5 Ah to size your day according to the application.
• High-Density Lithium-ion: no memory effect, fast charging, optimized weight to reduce fatigue.
• Electronic Management: protection against overcharge, overvoltage, and overheating to preserve cells and tools.
• Job Site Durability: robust components, impact and abrasion-resistant casing.
• Power Indicator: precise monitoring of remaining level to plan your cycles (depending on version).
• CE Certification: compliance with safety and performance standards.

Compatibility & Materials

Compatible with most 18V to 21V power tool platforms that accept standard replacement batteries. Suitable for common applications: drilling, screwdriving, cutting, sanding, grinding, and 18V garden tools. High-quality lithium-ion cells, integrated protection electronics (BMS), reinforced connectors for optimal conductivity. Impact-resistant ABS/PC engineered casing.

Technical Specifications

• Brand: Yofidra
• Nominal Voltage: 18V–21V
• Available Capacities: 7,500 mAh / 15,000 mAh / 22,500 mAh
• Technology: Lithium-ion
• Certification: CE

Why Pros Love It

• Immediate increase in runtime, fewer stops to change batteries.
• Consistent power under load, faster cutting and drilling.
• Wide compatibility with existing 18V–21V tool platforms.
• Electronic protection that extends the life of the tool and battery.

Package Contents

• 1 Yofidra 18V–21V battery (capacity according to chosen variant)
• User manual and safety instructions

Tips & Safety

• Use only a compatible Li-ion 18V–21V charger.
• Avoid repeated deep discharges to preserve capacity.
• Do not expose to moisture, severe impacts, or extreme temperatures.
• Allow the battery to cool after intensive use before recharging.
• Store between 15 °C and 25 °C with 40–60% charge for long-term storage.

FAQ

• Is this battery compatible with my 18V tool? Yes, if your tool accepts 18V–21V batteries in the standard replacement format.
• Can I charge it with my existing charger? Yes, if it is designed for 18V–21V Li-ion batteries.
• Which capacity should I choose? 7.5 Ah for short tasks, 15 Ah for versatile job site use, 22.5 Ah for intensive use.
• Is there a memory effect? No, Li-ion technology does not have a memory effect.
• Does it work in cold weather? Yes, with optimal performance in temperate environments; avoid freezing.
• Is it certified? Yes, CE compliant.