High-capacity 18V 4Ah lithium-ion battery delivers extended runtime for heavy-duty applications

Premium-grade cells with advanced BMS ensure stable power output and overcharge protection

Universal compatibility with major electric wrench brands for seamless tool integration

Precision-engineered housing features impact-resistant ABS shell and heat-dissipating aluminum core

Industrial-grade copper connectors provide maximum conductivity and corrosion resistance

Optimized for professional construction sites, automotive repair workshops, and DIY home projects

Fast-charging capability (1-2 hours) with intelligent LED power indicator for real-time monitoring

Certified to meet international safety standards including UL and CE for worry-free operation

Backed by wholesale pricing advantage - bulk order discounts available for contractors and resellers