Milwaukee M18HB8 has REDLITHIUM-ION HIGH OUTPUT 8.0Ah Battery Pack that provides you with 50% more power and runs 50% cooler vs our other M18™ REDLITHIUM-ION  battery packs. The optimized combination of smaller size and increased power of the 18-volt battery provides you with a great solution for the entire range of M18™ products. The lithium-ion battery delivers fade-free power and runs substantially cooler through heavy applications, allowing you to push your cordless power tools throughout a wide application range.

The M18™ 8.0Ah battery provides you with increased power in extreme-cold weather conditions (below -18°C) and delivers more work per charge, driving corded replacement. The REDLITHIUM-ION HIGH OUTPUT™ 8.0Ah extended capacity battery is fully compatible with all 150+ Milwaukee M18™ solutions.