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

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.