Delivers up to 2.5x more run time, up to 20% more power and up to 2x more battery life compared with other Lithium-Ion technologies and / or with previous Milwaukee® battery technology.
REDLITHIUM-ION protection with Milwaukee® REDLINK digital overload protection to prevent users from damaging their cordless power tool investment in abusive situations
Individual cell monitoring ensures optimal charge and discharge for maximum life
Durable metal frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or drops
Water protection routes water away from the electronics & out of the battery pack
Extreme hot and cold operating temperatures down to -20°C extend run time & life
On-board battery fuel gauge helps the user to maximize his battery run-time efficiency
1x M18B4 4.0Ah battery
Part No: M18B4
Voltage: 18 V
**images for illustrative purposes only – please refer to description and specification for full details of product
Questions & answers
All you need to know about this product from our experts
No questions have been asked (yet). So you can get started as soon as you are ready!
Overall rating out of 24 customer reviews
4 September 2021
I bought it for my Milwaukee M18 BDD-202C impact wrench. The battery has an excellent duration even with intense use, combined with the standard batteries the work never stops, on the other hand, it makes the screwdriver heavier and use in confined spaces becomes difficult.
1 September 2021
good product, in line with expectations
1 May 2021
ordered and received 48 hours later it is at the top.