What Battery Fits Makita 12V MAX CXT Brushless 3/8 in. Drill?
Quick answer
Our data matches the Makita 12V MAX CXT Brushless 3/8 in. Drill with BL1021B, part BL1021B (12V, 2000mAh, Li-ion); BL1041B, part BL1041B (12V, 4000mAh, Li-ion).
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 16, 2026.
This page contains affiliate links. WhatBatteryFits.com may earn a commission on qualifying purchases at no extra cost to you.
Other Makita Devices Using This Battery
Frequently Asked Questions
What battery fits the Makita 12V MAX CXT Brushless 3/8 in. Drill?
Based on our compatibility data, the Makita 12V MAX CXT Brushless 3/8 in. Drill is associated with BL1021B (BL1021B), exact match; BL1041B (BL1041B), 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 FD09 (or 12V MAX CXT Brushless 3/8 in. Drill). 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.