This Draper 10.8V Storm Force Angle Grinder/Cut-Off Tool Kit includes one 10.8V Power Interchange 4.0Ah Battery  The Draper 90271 Storm Force 10.8V Angle Grinder/Cut-Off Tool Kit is a part of the Draper Storm Force 10.8V Power Interchange series. The kit features an extremely compact cordless angle grinder with an ergonomic soft-grip handle for user comfort. The grinder comes with 1x 4Ah batteries, charger, blade guard and 5 x 76mm disc changing hex key and plastic carry box. Draper Storm Force 10.8V interchangeable battery system allows you to combine one battery with any of the tools within the 10.8V Storm Force series (not compatible with Draper Storm Force 20V). Features: Extremely compact cordless angle grinder Ergonomic soft-grip handle Supplied plastic carry box Comes with: 1x 10.8V Angle Grinder/Cut-Off Tool (76mm) - Bare  1x 10.8V Power Interchange Li-ion Battery (4.0Ah) 1x 10.8V Power Interchange Battery Charger 1x Tool Organiser Box with Tote Tray (320mm) 5x Flat Metal Cutting Discs (75 x 1.6 x 10mm) Specification: Battery: 10.8V Storm Force Li-ion No-load speed: 0-18500rpm Spindle thread: M5 Disc diameter: 76mm Max. cut depth: 15mm Weight: 1.15kg