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30% Off - SEESII Flathead Brushless Angle Grinder, 5.0Ah Battery and Fast Charger, Drop Protection, 21V 6 Variable Speed Cordless Grinder Kit 4-1/2 to 5" Cut Off Tool for Metal Cutting, Auto Body, DIY | Fat Kid Deals
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Frequently Asked Questions
Its ultra-thin flathead gear housing reduces head thickness by 30-40%, allowing it to reach narrow gaps and corners easily.
The 21V 5.0Ah lithium-ion battery provides extended runtime for prolonged work sessions and can be fully charged in approximately 2.5 hours using the fast charger.
Yes, it includes a Gyro Safety Stop that detects abnormal motion or free fall and cuts power instantly to prevent injury and tool damage.
Absolutely, it offers 6 variable speed settings from 3,000 to 12,000 RPM, maintaining consistent power for precise polishing or aggressive cutting.
The kit includes the grinder, one 21V 5.0Ah battery, a fast charger, 5 cutting wheels, 2 flap discs, and an anti-vibration side handle—everything needed to start working immediately.
Recommended Uses
Cutting metal bolts and rebar flush in tight or hard-to-reach spaces during construction or repair work.
Grinding and smoothing welds or metal surfaces in auto body repair and fabrication projects.
Polishing and finishing metal, stone, tile, or wood surfaces with adjustable speed control for precision.
DIY home improvement tasks such as cutting tiles, trimming pipes, or removing rust from tools.
Performing overhead or awkward angle grinding safely with the adjustable guard and ergonomic anti-vibration design.
Long-duration outdoor or remote work where cordless operation with extended battery life is essential.
Seesii
Flathead Brushless Angle Grinder, 5.0Ah Battery and Fast Charger, Drop Protection, 21V 6 Variable Speed Cordless Grinder Kit 4-1/2 to 5" Cut Off Tool for Metal Cutting, Auto Body, DIY
$69.99$99.99Save $30.00
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Key Features
-Conquer Tight Spaces with 5" Angle Grinder: Ultra-thin flathead gear housing reduces head thickness by 30-40%, letting you reach narrow gaps and corners with ease—Yes. You Can. cut bolts flush and grind in spots others can't touch.
-Power Through Any Job with 21V Cordless Brushless Angle Grinder: High-performance brushless motor delivers 30% more efficiency with less heat and noise, providing consistent high torque from start to finish—no more stalling under pressure.
-Work With Total Confidence: Gyro Safety Stop: The wireless angle grinder built-in gyroscope sensor continuously monitors tool orientation and detects abnormal motion or free fall, cutting power within milliseconds. This transforms safety from passive hope to active protection—if the tool falls, it stops before hitting the ground, preventing injury to you, damage to your workpiece, and costly tool replacement. It's like having a guardian angel watching over every cut, giving you true peace of mind even when working on ladders or in awkward positions.
-Unlock Your Versatility: Seesii battery operated angle grinder With 6 electronic speed settings ranging from 3,000 to 12,000 RPM, you can seamlessly switch from delicate surface polishing to aggressive metal cutting. Unlike basic single-speed grinders, our electronic speed control maintains constant power output at your chosen speed—even under heavy load, it won't bog down. Dial in the perfect RPM for metal, stone, tile, wood, or plastic, and trust that the tool will deliver consistent performance throughout the task. Low speeds for precision work, high speeds for rapid material removal.
SAVE 30%
$69.99$99.99
-5.0Ah High-Discharge Battery (1 Pcs): Our high-capacity 21V lithium-ion battery delivers 5.0Ah of runtime with a 10C high-discharge rate, ensuring you have full power exactly when you need it. Extended runtime means fewer charging breaks—work longer, create more. The high-discharge design eliminates the "enough battery but not enough muscle" frustration of early cordless tools. Whether you're cutting rebar all afternoon or grinding welds on a big fabrication project, this battery keeps up with you. Plus, the included fast charger gets you back to work in approximately 2.5 hours.
-Never Skip a Beat: Auto-Reset Overload Protection. Our intelligent electronic protection system continuously monitors motor load and temperature. If the tool stalls due to excessive pressure or a jammed wheel, it automatically shuts down to prevent damage. But here's the magic: once the abnormal condition is cleared, the system auto-resets. No more fumbling to unplug and replug the battery, no wasted time troubleshooting. Simply release the trigger, wait a moment, and squeeze again—you're back to work instantly. This seamless recovery keeps you focused on your project, not on your tool.
-Stay Safe Instantly: Tool-Free 360° Adjustable Guard. Our click-lock mechanism allows one-handed, continuous 360° rotation—no tools required, no preset positions to settle for. Whether you're grinding overhead, sideways, or flat against a surface, simply lift the dial, rotate the guard to the exact angle that best deflects sparks away from you and your workpiece, and release. It clicks securely into place with millimeter precision. No more wrench-fumbling, no more "close enough" from limited preset angles. Your safety, positioned exactly your way, in seconds.
-Ergonomic Anti-Vibration Design: Our engineers prioritized your comfort. Advanced vibration-dampening technology is integrated throughout the tool, significantly reducing the vibration transmitted to your hands and arms. The detachable side handle is ergonomically shaped and rubber-overmolded for a secure, comfortable grip, and can be mounted on either side for left or right-handed users. Combined with the tool's balanced weight distribution (just 1.8kg without battery), you can work longer with less fatigue—whether you're in the workshop all day or tackling a weekend restoration project.
-Complete Kit Included: This comprehensive kit arrives in a premium color box with everything required to begin your next project immediately: 1x SEESII flathead brushless angle grinder, 1x 21V 5.0Ah high-capacity battery, 1x fast charger, 5x 5inch cutting wheels, 2x 5inch flap discs for grinding and finishing, and 1x anti-vibration side handle. Just open the box, charge the battery (or use it if partially charged), mount your wheel, and you're ready to say "Yes. I Can." to cutting, grinding, polishing, or rust removal.
-Backed For The Long Haul: 3-Year Worry-Free Warranty: Every SEESII grinder is backed by a comprehensive 3-year warranty against material and workmanship defects. But more than that, you get dedicated US-based customer support ready to help with questions, troubleshooting, or advice.