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Overview

High-Performance 18V replacement battery for Makita power tools. Compatible with BL1860, BL1850, BL1830, BL1840, BL1815, BL1820, and BL1845. Delivers 6000mAh of reliable Li-ion power for extended runtime.

DR. BATTERY 18V Makita Cordless Power Tools Battery for BL1840 BL1830 BL1820 BL1860 BL1845 BL1815 BL1850 BL1860B

Model: DR-JMK-18V6A03
Web Code: 19466426
Sold and shipped by | 4.3 seller rating (327 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Enjoy on orders from this seller.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Powertool Battery x1

• Product Type: Replacement Power Tool Battery

• Condition: New

• Cell Type: Conventional Li-ion

• Capacity: 6000mAh

• Device Voltage: 18V

HOW TO FIND A COMPATIBLE BATTERY

Press [Ctrl] + [F] on your keyboard to quickly search for your tool model or original battery number in the list below.

The battery number and voltage can be found on the label of your original battery.

Please verify your model, original battery number, and voltage before placing an order.

We care about our customers — contact us if you have any inquiries.

COMPATIBLE POWER TOOL MODELS

Makita:

BL1860 | BL1850 | BL1830 | BL1840 | BL1815 | BL1820 | BL1845

© 2025 Dr. Power. All Rights Reserved.

Product Condition
Brand New
Compatible Power Tools
BL1860 | BL1850 | BL1830 | BL1840 | BL1815 | BL1820 | BL1845
Colour
JMK-18V6A02

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Yukon
  • Northwest Territories
  • Nunavut
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Batteries
Return/Exchange Period
30 days
Condition
Unopened

Consumable Product cannot be returned if opened

Learn more about returning a Marketplace product