94.4
Best for serious diyers and professional contractors already on the dewalt battery platform
- 0 to 20,000 OPM range
- 3-Speed selector switch
- Quick-change accessory system
$100
Head to head · Power Tools
Cordless Angle Grinder 4-1/2 inch vs Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2
Ravvy scores Cordless Angle Grinder 4-1/2 inch at 85.32 and Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 at 89.39. Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 takes the overall pick, best for diy mechanics and homeowners tackling automotive repairs.
85.3
$80
Homeowners should buy this for its exceptional out of the box value, accepting that the motor protection chip requires a patient pace during deep cuts.
Ravvy pick
$80
Buy the Seesii if you need maximum torque for occasional heavy repairs at a budget price, accepting that battery compatibility is limited to its own ecosystem.
How they score
| Factor | Cordless Angle Grinder 4-1/2 inch | Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 |
|---|---|---|
| Portability | 92 | 82.5 |
| Versatility | 90 | 85 |
| Battery Life | 88 | 89 |
| Power Delivery | 79.5 | – |
| Thermal Management | 74 | – |
| Value | – | 97 |
| Torque Power | – | 94 |
Cordless Angle Grinder 4-1/2 inch
What owners praise
- Efficient brushless motor runs cooler and longer
- Includes two 4.0Ah batteries for extended runtime
- Three adjustable speed settings for multiple applications
- Complete accessory kit including case and various discs
- Solid ergonomic grip with vibration-reducing side handle
What to know first
- Proprietary battery mount is not compatible with major brands
- Overload protection can be sensitive during heavy torque
- Charging time for 4.0Ah packs can be slow
Skip it if professional fabricators performing heavy-duty continuous grinding all day
Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2
What owners praise
- Exceptional loosening torque for the price point
- Generous kit including two high-capacity 4.0Ah batteries
- Brushless motor technology for improved efficiency and tool life
- Clear LED battery indicators and built-in work light
- Includes a durable hard-shell carrying case and six sockets
What to know first
- Proprietary battery system not compatible with major brands
- Heavier than premium compact impact wrenches
- Charging speed for the 4.0Ah batteries can be slow on the standard charger
Skip it if professional shop technicians requiring nationwide tool truck service and warranty
Specs side by side
| Spec | Cordless Angle Grinder 4-1/2 inch | Impact Wrench 665 FT-LBS(900N.m) 3300IPM 1/2 |
|---|---|---|
| ASIN | B0D256FJXF | B09ZTVZG2T |
| Brand | AOBEN | Seesii |
| Color | At102d | 665 Ft-lbs / 2x4.0ah Battery |
| Style | Angled | – |
| Voltage | 21 volts | 21 volts |
| Material | Metal | Chrome Vanadium Steel |
| Brand Name | AOBEN | Seesii |
| Style Name | Angled | – |
| Unit Count | 1 Count | 176.37 Ounce |
| Item Weight | 4.82 kg | 1.2 kg |
| Manufacturer | AOBEN | Seesii |
| Model Number | AT102D-115 | WH9 Pro |
Other options in this category
94.2
Best for professional contractors and serious woodworkers already on the dewalt battery platform
- 3,200 strokes per minute
- 4-position orbital action
- Integrated dust blower
$129
94.2
Best for hvac technicians, tilers, and diy renovators
- 20,000 RPM Max Speed
- AirLock Vacuum Compatibility
- Built-in LED Work Light
$121