







🔋 Power up your productivity—stay charged, stay ahead!
The Bull-Tech 40V 4000mAh Lithium-Ion battery replacement offers double the runtime of standard Kobalt 2.0Ah batteries, compatible with all Kobalt 40V Max tools. Featuring an onboard LED fuel indicator, all-weather fade-free performance, and smart voltage/temperature monitoring, it ensures reliable, long-lasting power for demanding outdoor tasks.





| Manufacturer | BULL-TECH |
| Package Dimensions | 18.21 x 12.09 x 6.1 cm; 1.21 kg |
| Batteries | 20 Lithium Ion batteries required. (included) |
| Item model number | 40V Lithium-Ion Battery |
| Style | for Kobalt 40V |
| Item Package Quantity | 1 |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Battery Capacity | 4 Amp Hours |
| Item Weight | 1.21 kg |
Trustpilot
2 days ago
1 month ago
2 weeks ago
2 months ago