Makita - (GMH04PLX) 80V max (40V max X2) XGT Brushless 70 lb. 1‑1/8" Hex AVT Breaker Hammer Kit, AWS Capable (8.0Ah) - GMH04PLX

Makita - (GMH04PLX) 80V max (40V max X2) XGT Brushless 70 lb. 1‑1/8" Hex AVT Breaker Hammer Kit, AWS Capable (8.0Ah) - GMH04PLX

The 80V max (40V max X2) XGT® 70 lb. 1-1/8" Hex AVT® Breaker Hammer Kit, AWS® Capable (8.0Ah) (model number GMH04PLX) delivers 53.7 ft. lbs./72.8 Joules of Impact Energy (0-870 BPM). The GMH04 delivers up to 70% faster breaking than corded* and is the most powerful cordless breaker in its class.

Makita once again breaks new ground with the new cordless XGT® 70 lb. Breaker Hammer giving users a powerful and portable tool that can demolish up to an 8ft. x 6ft. x 4in. thick 5000 psi concrete slab using two fully charged 40V max XGT® 8.0Ah Batteries (BL4080F).

Features:

• OUTPOWER: Most Powerful Cordless Breaker in its Class
• OUTSMART: Delivers up to 70% faster breaking than corded*
• OUTLAST: Demolishes up to an 8ft. x 6ft. x 4in. thick 5000 psi concrete slab on a single charge
• Anti-Vibration Technology (AVT®) is an internal counterbalance system along with vibration-absorbing handles that work together to reduce up to 30% less overall vibration*
• Auto-start Wireless System (AWS®) utilizes Bluetooth® technology for wireless power-on/off communication between tool and dust extractor (AWS® Transmitter sold separately)
• Dust extraction capability with optional Makita Dust Attachment Kit
• Soft start suppresses start-up reaction for improved accuracy
• "Soft no-load" function automatically reduces the speed of the motor when idling to help increase tool life and performance
• Built-in Dual L.E.D. lights with an independent on/off switch illuminates the work area
• The digital communication within XGT® optimizes performance to provide up to 2X longer sustained power under heavy-load applications

What Our Experts Think

• Makita GMH04PLX 80V max XGT Brushless 70 lb. 1‑1/8" Hex AVT Breaker Hammer Kit delivers serious cordless demolition power for concrete, masonry, and heavy chiseling.

• 80V max (40V max X2) XGT brushless motor provides strong torque and consistent performance on demanding jobs.

• 1‑1/8" hex capacity handles large chisels and breaking tasks with ease.

• AVT (Anti‑Vibration Technology) reduces vibration for comfort and control during prolonged use.

• AWS capable for automatic start/stop when paired with supported tools and extractors.

• 8.0Ah batteries included deliver extended runtime for longer sessions without frequent swaps.

Product Q&A

• What battery system does it use?
  Makita 80V max (40V max X2) XGT Lithium‑Ion (two 8.0Ah batteries included).

• Is it suitable for heavy demolition?
  Yes — high impact energy and large hex capacity make it ideal for breaking concrete and tough surfaces.

• Does it reduce vibration?
  Yes — AVT minimizes vibration for improved comfort.

• Can it sync with dust extraction?
  Yes — AWS capability allows automatic on/off with compatible extractors.

Maintenance Tips

• Wipe dust and debris from the tool body and vents after each use.

• Inspect chisels and replace if worn or damaged.

• Check handles and fasteners before operation to ensure tightness.

• Store the breaker and batteries in a cool, dry place when not in use.