







🔋 Power up your productivity — never get caught powerless again!
The BAT609 18V 4.0Ah Li-ion battery is a lightweight, high-capacity replacement battery compatible with Bosch 18V cordless tools. Featuring advanced safety protections, an LED power indicator, and an IP55 waterproof rating, it delivers reliable, long-lasting power with eco-friendly certifications to keep your tools running strong in any environment.








| Manufacturer | HUAYUE BATTERY |
| Part Number | BOS18B 4.0 |
| Item Weight | 1.35 pounds |
| Product Dimensions | 4.53 x 2.91 x 2.43 inches |
| Item model number | HY-BOS-18B-L40 |
| Batteries | 1 D batteries required. (included) |
| Size | 1 Count (Pack of 1) |
| Color | Black&Red |
| Style | 4.0Ah |
| Voltage | 18 Volts |
| Item Package Quantity | 1 |
| Included Components | Battery Pack |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Battery Capacity | 4 Amp Hours |
| Warranty Description | 30-Day money back and 12-month warranty. |
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