Amazon.com: 2Pack 6000mAh Replacement for Makita 18V Battery and a Power Inverter Compatible with Makita 18V Battery Turn to 110V/150W Power Station (Include Power Inverter & 2Pack Battery) : Tools & Home
Repacking Makita 18v Lithium battery with New Cells (Save $$$'s) - YouTube
150W Power Inverter for Makita 18V Battery 110V Portable Power Source with USB | eBay