Amazon.com: Synergy Digital Power Tool Battery, Works with Makita 4071D Power Tool, (Ni-MH, 7.2, 3000mAh) Ultra High Capacity, Compatible with Makita 191679-9, 192532-2, 632002-4, 7000 Battery : Tools & Home Improvement
Amazon.com : Makita XUX02SM1X4 18V LXT Lithium-Ion Brushless Cordless Couple Shaft Power Head Kit With 13" String Trimmer & 10" Pole Saw Attachments (4.0Ah) : Patio, Lawn & Garden