Cylindrical Cell Grooving Machine for 18650, 26650, etc - Gn-Cg-18650s. Adjustable Grooving Accuracy: Grooving dimension is adjustable with high accuracy of +/- 0.1mm. High Efficiency Output: Efficient processing with 400 grooving operations per hour. Wide Battery Compatibility: Supports CR123, 18650, 26650, 32650 and other cylindrical cells. Long Blade Lifetime: Grooving blade lifetime exceeds 1 million times for durability. Compact Lab Design: Small desktop size, ideal for laboratory research and development. Custom Logo Service: OEM and customer logo printing services are available. 24 Months Warranty: Comprehensive 24-month warranty coverage for peace of mind. ISO & SGS Certified: Machine meets ISO 9001:2000 and SGS certification standards.