







🔋 Power through every project with battery life that won’t quit!
The Robustrue 4.0Ah Lithium Ion battery packs a powerful 21V punch, engineered for long-lasting performance and universal compatibility with impact wrenches. Lightweight and easy to install, it’s designed to keep professionals and DIYers working longer without interruption, all backed by a 1-year warranty.


| Manufacturer | Robustrue |
| Item Weight | 1.23 pounds |
| Product Dimensions | 3 x 3 x 4.72 inches |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Power Source | Battery Powered |
| Voltage | 21 Volts |
| Item Package Quantity | 1 |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Battery Capacity | 4000 Amp Hours |
| Warranty Description | 1 Year |
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