Bosch (Green) 18V to Milwaukee 18V Battery Adapter
$39.89
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Bosch (Green) 18V to Milwaukee 18V Battery Adapter
$39.89
Use your Bosch 18V PBA (Green) batteries on Milwaukee M18 cordless tools, without buying into a second battery platform. Both platforms are rated 18V, so torque and speed on the Milwaukee M18 tool stay where they should be. The molded ABS housing keeps it light and hard-wearing, and pure copper contacts keep current delivery steady. It keeps one battery platform serving more tools, which costs less than buying into another.
Specifications
- SKU PTA-BOSG18-MIL20
- Fits this battery Bosch 18V PBA (Green) (Lithium-Ion)
- Battery voltage 18V
- Runs these tools Milwaukee M18 (Lithium-Ion)
- Tool voltage 18V
- Housing ABS (Injected)
- Terminals Copper
- Current rating 40A continuous (80A peak at 18VDC for up to 2 seconds)720 Watt continuous at 18V nominal
- Internal wiring 5 mm²
- Weight 124 g (4.4 oz / 0.27 lb)
- Dimensions (L × W × H) How It's Measured 105 × 70 × 63 mm (4.13 × 2.76 × 2.48 in)
- Colour Black
- Operating humidity 5–95% RH
- Operating temperature -10 °C to 50 °C (14 °F to 122 °F)
- USB port No
- What's in the box Battery Adapter
- Warranty 12 months after the date of delivery
- Revision Revision 01 (released on June 23, 2026)
Why choose this adapter
- Your Bosch 18V PBA (Green) battery and Milwaukee M18 tools run at the same voltage, so the adapter changes the fitting rather than converting anything.
- Injection-moulded ABS, not 3D printed — no layer lines to split under load.
- Solid copper terminals, so less of the current is lost as heat.
- 5 mm² internal wiring, rated for 40A continuous with 80A peak at 18VDC for up to 2 seconds, so a high-draw tool is not held back by the adapter.
- Covered by a 12-month warranty from the day it arrives.
Bosch 18V PBA (Green) and Milwaukee M18 compatibility
It works in one direction only: Bosch batteries powering Milwaukee tools. For the opposite pairing, see adapters that run on Milwaukee M18 batteries.
Compatibility can vary with the exact battery and tool model. Before ordering, confirm that your battery belongs to the Bosch 18V PBA (Green) platform and that your tool takes Milwaukee M18 batteries.
Important charging and safety information
This adapter is for powering cordless tools and nothing else. It cannot charge Bosch or Milwaukee batteries and must never be connected to a charger of any kind. Always take the battery out of the adapter before charging, and charge it on the original charger made for your Bosch 18V PBA (Green) battery.