What Battery Fits Makita XAG20 Angle Grinder?
Quick answer
Our data matches the Makita XAG20 Angle Grinder with BL1850B, part BL1850B (18V, 5000mAh, Li-ion); BL1860B, part BL1860B (18V, 6000mAh, Li-ion); BL1820B, part BL1820B (18V, 2000mAh, Li-ion), plus 3 more options listed below.
Before buying, confirm the battery part number, voltage, connector, and device model shown on your original battery or device label. Live eBay listings are shown below and may change.
Compatible Replacement Batteries
Listings and prices are pulled from eBay and may change. Always verify compatibility before purchase. Last checked Jul 18, 2026.
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Other Makita Devices Using This Battery
Frequently Asked Questions
What battery fits the Makita XAG20 Angle Grinder?
Based on our compatibility data, the Makita XAG20 Angle Grinder is associated with BL1850B (BL1850B), exact match; BL1860B (BL1860B), exact match; BL1820B (BL1820B), exact match; BL1830B (BL1830B), exact match; BL1815N (BL1815N), exact match; BL1840B (BL1840B), exact match. Always confirm your device model number and the part number on your original battery before purchasing.
How do I verify compatibility before buying?
Check that your device label or manual shows XAG20 (or XAG20 Angle Grinder). Compare the OEM part number, voltage, and connector on your original battery with the specs listed on this page before ordering.
Where do the listings on this page come from?
Current eBay listings for compatible batteries are shown below. Prices and availability change frequently on eBay — verify the listing details before you buy.