Battery Adapter – Convert Hercules 20V Li-Ion Battery To Fit Milwaukee M18 18V Power Tools

Got a bunch of Milwaukee M18 tools but a Hercules 20V battery lying around?

Don't let that battery go to waste!

This little red adapter lets you use your Hercules 20V lithium-ion batteries to power your Milwaukee M18 18V tools.

It's a super simple and cost-effective solution.

Just slide your Hercules battery into the adapter, and then click the whole unit onto your Milwaukee tool.

It weighs about 150g and is brand new.

Please note, this is just the adapter – no battery is included.

It's a great way to get extra run time from batteries you already have.

Check the model: it's specifically for Hercules 20V to Milwaukee M18.