Makita ADBL1840B 18V LXT 4.0Ah battery pack with Star Protection multi-contact terminals and integrated 4-LED fuel gauge.
Makita Outdoor Adventure ADBL1840B battery diagram detailing 40-minute charge time, 1.4-lb weight, and Star Protection Controls.
Makita BL1840B LXT 4.0Ah battery graphic highlighting its rapid 40-minute charge rate and LED fuel gauge indicator.
Cutaway diagram of Makita 18V battery showing internal cylindrical lithium-ion cells, protective cradle, and control board.
Front quarter view of Makita 18V 4.0Ah battery showing the yellow terminal interface and push-button charge gauge.
Angled side view of Makita ADBL1840B 18V 4.0Ah lithium-ion slide-style battery with four glowing charge indicator bars.
Pushing the check button on the Makita 18V 4.0Ah battery to illuminate all four red LEDs showing 100% remaining charge.
High-angle view of Makita ADBL1840B battery showing durable slide rails, yellow Star terminal, and white release latch.
Side profile of Makita 18V LXT 4.0Ah lithium-ion battery displaying the compact slide-style pack branding.
Rear view of the Makita ADBL1840B 18V 4.0Ah battery highlighting the white slide-lock tool release button.
Rear view of the Makita ADBL1840B 18V battery showing the spring-loaded white quick-release button for rapid tool swaps.
Rear three-quarter perspective of the Makita 18V 4.0Ah battery displaying the heavy-duty slide housing and release catch.
Low-angle side view of the Makita ADBL1840B 18V 4.0Ah lithium-ion battery showing its compact slide-rail mounting profile.
Front three-quarter view of the Makita ADBL1840B battery showing the 4-LED fuel gauge and yellow Star Protection connector.
Direct front view of the Makita 18V 4.0Ah battery showing the illuminated 4-bar fuel gauge and multi-contact terminal receiver.
MAKITA – The LXT® Advantage promotional video
Makita ADBL1840B 18V LXT 4.0Ah battery pack with Star Protection multi-contact terminals and integrated 4-LED fuel gauge.
Makita Outdoor Adventure ADBL1840B battery diagram detailing 40-minute charge time, 1.4-lb weight, and Star Protection Controls.
Makita BL1840B LXT 4.0Ah battery graphic highlighting its rapid 40-minute charge rate and LED fuel gauge indicator.
Cutaway diagram of Makita 18V battery showing internal cylindrical lithium-ion cells, protective cradle, and control board.
Front quarter view of Makita 18V 4.0Ah battery showing the yellow terminal interface and push-button charge gauge.
Angled side view of Makita ADBL1840B 18V 4.0Ah lithium-ion slide-style battery with four glowing charge indicator bars.
Pushing the check button on the Makita 18V 4.0Ah battery to illuminate all four red LEDs showing 100% remaining charge.
High-angle view of Makita ADBL1840B battery showing durable slide rails, yellow Star terminal, and white release latch.
Side profile of Makita 18V LXT 4.0Ah lithium-ion battery displaying the compact slide-style pack branding.
Rear view of the Makita ADBL1840B 18V 4.0Ah battery highlighting the white slide-lock tool release button.
Rear view of the Makita ADBL1840B 18V battery showing the spring-loaded white quick-release button for rapid tool swaps.
Rear three-quarter perspective of the Makita 18V 4.0Ah battery displaying the heavy-duty slide housing and release catch.
Low-angle side view of the Makita ADBL1840B 18V 4.0Ah lithium-ion battery showing its compact slide-rail mounting profile.
Front three-quarter view of the Makita ADBL1840B battery showing the 4-LED fuel gauge and yellow Star Protection connector.
Direct front view of the Makita 18V 4.0Ah battery showing the illuminated 4-bar fuel gauge and multi-contact terminal receiver.
MAKITA – The LXT® Advantage promotional video
Makita

Makita Cordless Battery ADBL1840B 4.0Ah Outdoor Adventure LXT Pack (18V Lithium-Ion 40 Min Charge Star Protection LED Fuel Gauge Extreme Weather)

In stock
SKU: ADBL1840B
$149.00 USD

Description

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Makita ADBL1840B Outdoor Adventure 18V LXT Lithium-Ion 4.0Ah Slide-Style Battery Pack

The Makita ADBL1840B Outdoor Adventure 18V LXT 4.0Ah lithium-ion battery powers cordless jobsite power tools, camping gear, outdoor lighting, inflators, and outdoor power equipment without corded limits. Delivering up to 35% more runtime per charge than standard 3.0Ah packs, this 1.4-lb slide-style battery achieves a full recharge in 40 minutes when paired with the Makita Rapid Optimum Charger. Featuring an integrated 4-LED fuel gauge, sub-zero cold weather operation down to -4°F (-20°C), 16 heavy-duty multi-contact terminals to prevent power loss in high-vibration tools, and Star Protection Computer Controls to eliminate thermal overloads, it provides trade contractors and outdoor adventurers with dependable portable energy.

Best Used For:

  • Outdoor Recreation and Jobsite Power Equipment: Energizing cordless chainsaws, tire inflators, portable vacuums, fans, and site lanterns across remote jobsites and campsites.
  • High-Vibration Cordless Power Tool Operation: Powering reciprocating saws, rotary hammers, and impact drivers without terminal disconnects via 16 firm contact rails.
  • Cold Climate and Winter Construction Work: Delivering consistent high-current discharge and full tool torque in sub-zero freezing weather down to -4°F (-20°C).

Key Performance & Safety Features

  • Extended 4.0Ah LXT Capacity: Provides up to 35% more operational runtime per charge compared to standard BL1830 3.0Ah packs for extended work sessions.
  • 40-Minute Rapid Optimum Charging: Category-leading thermal charge profile achieves 100% capacity in 40 minutes or less with active-fan cooling chargers.
  • Integrated 4-LED Fuel Gauge: Onboard push-button charge level indicator allows users to monitor remaining battery capacity instantly before starting tasks.
  • Star Protection Computer Controls: Digital communication hardware continuously exchanges data with the tool in real time to prevent overloading, over-discharging, and overheating.
  • 16 Firm-Holding Contact Terminals: Multi-contact interface maintains constant electrical flow to prevent intermittent power loss during severe tool vibration.
  • Impact-Resistant Shock Casing: Rugged outer shell paired with a shock-absorbing internal liner protects delicate lithium-ion cells against drops and jobsite impacts.

What's Included

  • (1) Makita ADBL1840B Outdoor Adventure 18V LXT Lithium-Ion 4.0Ah Battery Pack

Technical Specifications

Manufacturer Makita Tools
Model / Part Number ADBL1840B (Outdoor Adventure Series)
System Voltage Rating 18.0 Volts DC (Makita 18V LXT System)
Battery Capacity Rating 4.0 Amp-Hours (4.0Ah / 72 Watt-Hours)
Cell Chemistry Type High-Density Cylindrical Lithium-Ion
Rapid Charge Time (DC18RC / DC18RD) 40 Minutes or Less to 100% Full Charge
Charge Status Monitoring Integrated 4-Stage LED Battery Fuel Gauge
Thermal Operating Range Functional in Extreme Cold to -4°F (-20°C)
Terminal Connection Architecture 16 Heavy-Duty Multi-Contact Slide Terminals
Intelligent Digital Protection STAR Protection Computer Controls (Overload, Thermal, Low-Voltage)
Self-Discharge Resistance Low Self-Discharge (Holds Charge During Long Inactive Storage)
Battery Net Weight 1.40 lbs (22.4 oz / 0.64 kg)
Physical Dimensions (L x W x H) 4.44 in x 2.94 in x 2.44 in (112.7 mm x 74.6 mm x 61.9 mm)
Warranty Coverage 3-Year Limited Manufacturer Warranty

Pro-Tip: Charge your battery on a fan-cooled Makita Rapid Optimum Charger after heavy discharge; the charger actively forces cool air through the battery vents to drop internal cell temperatures quickly and begin full-speed charging immediately.