JJXNDO MAKB18G Battery Adapter for Makita 18V BL1850 BL1860 (B Series) Battery Convert to Makita BL1813G BL1830G BL1820G BL1815G G Series Battery Work for Makita BL1830G Power Tools: Amazon.co.uk: DIY & Tools
Battery Adapter For Makita 18V Li-Ion Battery Convert to For Makita G Series Li-ion Battery Power Tool BL1815GBL1813G For Makita - AliExpress
Amazon.com: X-Adapter 1x Adapter Compatible with Makita 18v LXT BL1830 (NOT BL1813G 1815G G-Series) Li-Ion Batteries Fits Bauer 20v Series Cordless Tools - Only, Black (MT-20BE) : Tools & Home Improvement