Reliable power in a compact formStayers 4.0Ah 18V lithium-ion battery delivers strong performance with long runtime, full L20 compatibility, and intelligent multi-level protection for safety and durability.

Key Features:

• Longer Runtime: 4.0Ah capacity ensures extended tool operation
• Universal Fit: Compatible with all STAYER L20 cordless power tools
• Smart Battery Protection: Prevents overload, over-discharge, overheating, and short-circuiting
• Charge Status Indicator: LED lights display remaining power level
• Efficient & Lightweight: Balanced design for mobile and continuous use
• Built for Professionals: Dependable performance in demanding environments

Technical Specifications:

• Battery Type: Lithium-ion (Li-ion)
• Voltage: 18V
• Capacity: 4.0Ah (4000mAh)
• Energy Output: 72Wh
• Compatibility: Entire STAYER L20 range
• Protection Features:
• Overload protection
• Over-discharge protection
• Overheating protection
• Short-circuit protection
• Charging Time (with compatible charger): Approx. 90120 minutes
• LED Charge Indicator: Yes (multi-level)
• Operating Temperature Range: -10C to 45C