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  • 3 VIDEOS
Makita battery adapter for 18V batteryHOYOA
  • HOYOA 18V Battery Adapter Compatible with Makita Battery, USB‑C & USB‑A Charger for BL1830B BL1850B BL1850B BL1840B BL1820B – LED Indicator, USB‑C Charging Input for Garage & DIY Workbench
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HOYOA 18V Battery Adapter Compatible with Makita Battery, USB‑C & USB‑A Charger for BL1830B BL1850B BL1850B BL1840B BL1820B – LED Indicator, USB‑C Charging Input for Garage & DIY Workbench

4.5 out of 5 stars (22)
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About this item

  • Wide Compatibility – Works with Makita 18V batteries, including BL1830B, BL1850B, BL1860B, BL1840B, and BL1820B. Ideal for garage, workshop, and DIY setups.
  • Dual USB Output – USB-A charges phones while USB-C powers tablets or other small devices at the same time. Keep your workspace organized and your devices powered.
  • USB-C Input for Battery Charging – Charge your 18V battery directly using a USB-C wall charger. The built-in indicator clearly shows charging status for easy monitoring.
  • Safe Charging with Auto Sleep Protection – Equipped with Overload Protection, Short-Circuit Protection, Under-Voltage Protection, and Over-Current Protection. When no device is connected or no output is detected, the adapter automatically enters sleep mode after 30 minutes to prevent unnecessary battery drain and reactivates when in use.
  • Emergency LED Lighting – Built-in 2W LED provides quick illumination during power outages, garage emergencies, or low-light situations. Designed as emergency and backup lighting only, not as a primary work light. Compact size (3.54 × 2.83 × 1.30 in) fits easily into any toolbox.
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Product Description

18V Battery Adapter Compatible with Makita Battery
18V Makita Battery Adapter

Portable Power for Garage, Emergencies

makita battery usb adapter for makita 18v battery

Perfect for DIY & Workshop Setups

How to Use the Battery Adapter for Makita 18V Battery?

  • No. The adapter enters sleep mode after 30 minutes with no output and automatically reactivates when a device is connected, helping prevent unnecessary battery drain.

  • The built-in LED has a 2W output and is designed for emergency and backup lighting only. It provides basic illumination in low-light situations but is not intended as a primary work light.

  • A less prominent button helps prevent accidental activation when the adapter is stored in a toolbox or backpack, avoiding unnecessary battery drain. During use, the button can be pressed with a fingertip.

  • Connect a USB-C wall charger to the USB-C port, and the adapter will charge the battery. This feature is intended for emergency or backup charging, offering added convenience when a standard charger is not available.

Product information

Technical Details

Brand ‎HOYOA
Manufacturer ‎HOYOA
Place of Business ‎HOYOA
Number of Items ‎1
Charging Time ‎1.5 Hours
Batteries Required ‎No
Number of Ports ‎2
Manufacturer ‎HOYOA
Product Dimensions ‎9.5 x 8 x 5.7 cm; 100 g
ASIN ‎B0FYD2V8N5

Additional Information

Date First Available Oct. 30 2025
Customer Reviews
4.5 out of 5 stars (22)

4.5 out of 5 stars
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HOYOA 18V Battery Adapter Compatible with Makita Battery, USB‑C & USB‑A Charger for BL1830B BL1850B BL1850B BL1840B BL1820B – LED Indicator, USB‑C Charging Input for Garage & DIY Workbench

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Product details

  • Product Dimensions ‏ : ‎ 9.5 x 8 x 5.7 cm; 100 g
  • Manufacturer ‏ : ‎ HOYOA
  • ASIN ‏ : ‎ B0FYD2V8N5
  • Country/Region of origin ‏ : ‎ China
  • Customer Reviews:
    4.5 out of 5 stars (22)

From the brand

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  2. About us

    HOYOA provides reliable power solutions and tool accessories designed for work and outdoor use. Our fast, multi-port chargers and durable inverters keep your gear powered wherever you are.

    Built for ease, strength, and versatility—HOYOA powers your everyday needs.

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