cheap Replacement battery Makita BL 1830B 18V, 3,0 Ah with charge lev, € 93,40
Amazon.com: 18V 7.0Ah Lithium Replacement for Makita 18V Battery Compatible with BL1815 Lxt BL1860 BL1820 1830B 1840B 1850B with Portable 27W 2000LM LED Work Light for Makita 18 Volt Battery : Tools