Amazon.com: Synergy Digital Power Tool Battery, Compatible with Makita BTD140 Power Tool, (Li-ion, 18V, 6000mAh) Ultra High Capacity, Replacement for Makita BL1815 Battery : Tools & Home Improvement
Makita DTD152Z 18v Lithium Ion Impact Driver LXT - Replaces DTD146 BTD146 BTD140 | DIY at B&Q
Makita BTD140 products - BatteryUpgrade
Bosch blue 18v battery adaptor to Makita LXT tools – Your ToolBox