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Makita USA - Product Details -BL1041B
Makita 18-Volt LXT Lithium-Ion Brushless Battery 10 in. Top Handle Chain Saw (Tool-Only) with Bonus 18-Volt LXT 5.0 Ah Battery XCU06Z-BL1850B - The Home Depot
18V 5AH BL1850 replacement battery for Makita 10-piece/compatible with Makita 18V BL1830B BL1860B BL1820 LXT-400 – Dasbatteries