Best Battery Powered Rotary Tool

Dremel 8240-5 12V Cordless Rotary Tool Kit with Variable Speed and Comfort Grip - Includes 2AH Battery Pack, Charger, 5 Accessories, Wrench, and Tool Fabric Carry Bag

HARDELL Mini Cordless Rotary Tool Kit, 5-Speed and USB Charging with 61 Accessories, Multi-Purpose 3.7V Power Rotary Tool for Sanding, Polishing, Drilling, Etching, Engraving, DIY Crafts

Dremel 7350-5 Cordless Rotary Tool Kit - Includes 4V Li-ion Battery and 5 Rotary Tool Accessories - Ideal for Light DIY Projects and Precision Work

Milwaukee Cordless Rotary Tool, 12.0V

Dremel 8250-5 12V Lithium-Ion Variable Speed Cordless Rotary Tool with Brushless Motor - 5 Rotary Tool Accessories, 3Ah Battery, Charger, and Tool Bag

HARDELL Mini Cordless Rotary Tool, 5-Speed 3.7V rechargeable Kit with 61 Accessories, USB Charging Multi-Purpose Power Tool for Sanding, Polishing, Drilling, Etching, Engraving, DIY Crafts

WORKPRO 12V Cordless Rotary Tool Kit, 5 Variable Speeds, Powerful Engraver, Sander, Polisher, 114 Easy Change Accessories, Craft Tool for Handmade and DIY

Dremel Lite 7760 N/10 4V Li-Ion Cordless Rotary Tool, Variable Speed Multi-Purpose Kit, USB Charging, Easy Accessory Changes - Perfect For Light-Duty DIY & Crafting, Sanding, Engraving and Polishing

DEPSTECH Cordless Rotary Tool Kit, 8V 2.0Ah Rechargeable Battery, 30000RPM 5-Speed Multi Power Carving Tools, 127Pcs Accessories, Shield Attachment, Cutting/Drilling Guide for Handmade/DIY Creations

WEN 23072 Variable Speed Lithium-Ion Cordless Rotary Tool Kit with 24-Piece Accessory Set, Charger, and Carrying Case, 7.2 Volts