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  • Battery Adapter Compatible with Makita 14-18V Battery, Battery Power Source Converter with USB‑C & USB‑A Ports for BL1830B BL1850B BL1850B BL1840B BL1820B, 2W LED Work Light Flashlight
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Battery Adapter Compatible with Makita 14-18V Battery, Battery Power Source Converter with USB‑C & USB‑A Ports for BL1830B BL1850B BL1850B BL1840B BL1820B, 2W LED Work Light Flashlight

4.6 out of 5 stars (42)

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About this item

  • Wide Compatibility – This usb battery adapter for Makita works seamlessly with Makita 18V batteries (models BL1830B, BL1850B, BL1860B, BL1840B, BL1820B). It’s the perfect adapter for Makita battery to convert your tool battery into a versatile power station for garage, workshop, or DIY projects.
  • USB & Type C Port for Simultaneous Charging – Charge your phone via USB-A while powering a tablet or other device with USB-C. This efficient Makita battery converter keeps your essentials powered and organized, whether you’re on a job site or tackling home tasks.
  • LED Indiactor – The clear built-in indicator lets you monitor charging status instantly. Green Fast Blink (Charging), Solid Green (Fully Charged). A smart battery holder design ensures safe and convenient power management.
  • Advanced Safety with Auto-Sleep Protection – Features Overload, Short-Circuit, Under-Voltage, and Over-Current Protection. If no device is connected, it automatically enters sleep mode after 30 minutes to conserve battery, waking up when needed for reliable performance.
  • Emergency 50-Lumen LED Light & Compact Design – The built-in 2W, 50-lumen LED provides instant illumination during outages or in dark spaces. Designed for backup/emergency use, its compact size (3.54×2.83×1.30 inches) fits easily in any toolbox or kit.
  • Friendly Consumer Sevice: Lightweight yet sturdy. This durable battery adapter for Makita is perfect for garage DIY, professional job sites, outdoor projects, and emergency kits. Any questions about product, please send us an email anytime

Product information

Technical Details

Brand ‎YETOKING
Model ‎HY-3077
Number of Items ‎1
Batteries included ‎No
Batteries Required ‎No
Number of Ports ‎2
Item model number ‎HY-3077
Product Dimensions ‎9.5 x 8 x 5.69 cm; 100 g
ASIN ‎B0FYDXPDK5

Additional Information

Date First Available Oct. 30 2025
Customer Reviews
4.6 out of 5 stars (42)

4.6 out of 5 stars
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Battery Adapter Compatible with Makita 14-18V Battery, Battery Power Source Converter with USB‑C & USB‑A Ports for BL1830B BL1850B BL1850B BL1840B BL1820B, 2W LED Work Light Flashlight


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Product details

  • Product Dimensions ‏ : ‎ 9.5 x 8 x 5.69 cm; 100 g
  • ASIN ‏ : ‎ B0FYDXPDK5
  • Item model number ‏ : ‎ HY-3077
  • Country/Region of origin ‏ : ‎ China
  • Customer Reviews:
    4.6 out of 5 stars (42)

From the brand


Product Description

Makita Battery Adapter
Makita Battery Adapter

Charging Specifications

Note: The actual charging current is governed by the maximum power rating of your external charger and will not hit the 3.25A maximum if the charger is low-powered.Example: A 5V 3A external charger only delivers a 0.75A charging current to the battery.

The power specification of the external charger is the decisive factor for the final charging current.

Battery Adapter Compatible with Makita
Makita Battery Adapter
Makita Battery Adapter
Makita Battery Adapter

Item Specification:

IN/OUT(PD)Input max 65W, 20V/3.25A
IN/OUT(PD) Output max 65W, 20V/3.25A
USB-A Output 15W, 5V/3A; max 22.5W
USB-C Output 5V3A, 9V3A, 12V3A, 15V3A, 20V3.25A
Full charger time 3-10 hours
LED Light 50LM
LED Light Wattage 2W
Compatible with Makita Battery BL1830B, BL1850B, BL1850B, BL1840B, BL1820B