Makita BL1850B | 196675-2 18V LXT Lithium‑Ion 5.0Ah Battery Pack

The Makita BL1850B 18V LXT® Lithium-Ion 5.0Ah Battery Pack gives Makita cordless tools longer runtime, fast charging, and built-in charge status monitoring. This Makita 18V battery is designed for compatible Star Protection tools and works across the 18V LXT® slide-style battery platform for drilling, fastening, cutting, grinding, sanding, and jobsite maintenance applications.

The Makita BL1850B 18V LXT® Lithium-Ion 5.0Ah Battery Pack is built for users who need dependable runtime from Makita cordless tools. With 5.0Ah capacity, a slide-style LXT® battery design, and an integrated L.E.D. charge level indicator, it gives contractors, maintenance teams, and advanced DIY users a practical way to monitor battery status and keep work moving.

This Makita 18V battery reaches a full charge in 45 minutes or less when used with a compatible Makita Rapid Optimum Charger, sold separately. It is compatible only with Makita 18V Lithium-Ion tools that have the Star Symbol™ and/or yellow battery receiver. STAR Protection Computer Controls™ allow the tool and battery to exchange data during use to help protect against overloading, over-discharging, and overheating.

Makita 18V LXT Lithium‑Ion 5.0Ah Battery Pack At a Glance

• 5.0Ah Battery Capacity: Provides longer runtime for demanding Makita 18V LXT® cordless tool applications.
• 45-Minute Charge Time: Reaches full charge in 45 minutes or less with a compatible Makita rapid charger.
• L.E.D. Charge Indicator: Lets users quickly check remaining battery charge.
• 18V LXT® Platform: Designed for Makita’s 18V LXT® slide-style cordless tool system.
• STAR Protection: Helps protect the battery and compatible tools from overloading, over-discharging, and overheating.
• Cold-Weather Performance: Delivers consistent power and runtime in temperatures down to -4°F / -20°C.
• Impact-Resistant Housing: Outer case and shock-absorbing inner liner help protect the battery on the job.
• Low Self-Discharge: Holds charge during storage so it is ready when needed.

Quick Specs

• Brand: Makita
• Manufacturer Part Number: 196675-2
• Model Number: BL1850B
• UPC: 088381463911
• Power Source: Cordless battery
• Voltage: 18V
• Amperage or Battery Platform: 18V LXT® Lithium-Ion, 5.0Ah
• Main Capacity or Size: 5.0Ah battery capacity
• Speed or Performance Metric: Full charge in 45 minutes or less
• Weight: 1.5 lb shipping weight; official tool-only battery weight not listed on Makita USA page
• Primary Operating Modes: Powers compatible Makita 18V LXT® Star Protection tools

Markets

• Construction Trades: Powers Makita 18V tools for drilling, fastening, cutting, and jobsite layout tasks.
• Facility Maintenance: Useful for cordless repair, installation, and service work across commercial buildings.
• Electrical and Mechanical Trades: Supports compatible Makita drills, impact drivers, grinders, and saws.
• Carpentry and Renovation: Provides extended runtime for cutting, fastening, sanding, and finish work.
• Municipal and Public Works: Helps maintenance crews run cordless tools across repair and field-service tasks.
• Industrial Maintenance: Suitable for shops and facilities that standardize on the Makita 18V LXT® platform.
• Schools and Training Programs: Useful for trade programs using Makita cordless tools for hands-on training.
• Advanced DIY Users: A practical battery upgrade for compatible Makita 18V LXT® tools.

The Makita BL1850B is a practical battery choice for users who rely on the Makita 18V LXT® system every day. Its 5.0Ah capacity offers up to 65% more runtime per charge compared to the BL1830, helping reduce battery changes during longer drilling, driving, cutting, grinding, and sanding tasks. The built-in L.E.D. charge indicator makes it easy to check remaining power before starting a job.

For professional users, the main value is reliable platform compatibility and fast turnaround. When paired with a compatible Makita Rapid Optimum Charger, this battery reaches full charge in 45 minutes or less. STAR Protection Computer Controls™ add another layer of protection by allowing the battery and compatible tool to communicate during use, helping guard against common battery stress conditions.

Makita 196675-2 BL1850B 18V LXT Lithium‑Ion 5.0Ah Battery Pack Features

• INCLUDES : 18V LXT® Lithium-Ion 5.0Ah battery
• Integrated L.E.D. battery charge level indicator allows user to monitor battery charge
• Provides up to 65% more run time per charge compared to BL1830
• Reaches full charge in 45 minutes or less
• Compatible only with Star Protection tools, indicated by the Star Symbol™ and/or Yellow Battery Receiver under the tool
• Battery delivers consistent power and run time in extreme temperatures, even in winter (-4°F/-20°C)
• Equipped with Star Protection Computer Controls™ to protect against overloading, over-discharging and over-heating
• Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery
• Sixteen contact terminals maintain a constant connection with the tool to help prevent power loss or fluctuation, even during high-vibration applications
• Battery resists self-discharge and remains ready for use even after long periods of storage
• Makita 18V Lithium-Ion is the world’s largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery
• Makita technology delivers category-leading charge time so the battery spends more time working and less time sitting on the charger (charger not included)

Compatible Accessories / Works Well With

• Makita DC18RC 18V LXT® Rapid Optimum Charger
• Makita DC18RD 18V LXT® Dual Port Rapid Optimum Charger
• Makita DC18SF 18V LXT® 4-Port Charger
• Makita DC18SE 18V LXT® Optimum Automotive Charger
• Compatible Makita 18V LXT® Star Protection Tools: Including Makita cordless drills, impact drivers, circular saws, reciprocating saws, grinders, sanders, blowers, and other compatible 18V LXT® tools.
• Makita Battery Cover: Useful for battery storage and transport where available

Makita 196675-2 BL1850B 18V LXT Lithium‑Ion 5.0Ah Battery Pack Includes

• (1) Makita BL1850B 18V LXT® Lithium-Ion 5.0Ah Battery

Makita 196675-2 BL1850B 18V LXT Lithium‑Ion 5.0Ah Battery Pack Specifications

• Brand: Makita
• Manufacturer Part Number: BL1850B
• UPC: 088381-463911
• Product Type: Cordless tool battery pack
• Product Line or Series: 18V LXT®
• Voltage: 18V
• Amperage or Battery Platform: 18V LXT® Lithium-Ion
• Battery Capacity: 5.0Ah
• Battery Type: Lithium-Ion
• Charge Time: 45 minutes or less with compatible charger
• Package Quantity: 1
• Compatibility: Makita 18V Lithium-Ion tools with Star Symbol™ and/or yellow battery receiver
• Charge Indicator: Integrated L.E.D. battery charge level indicator
• Protection Technology: STAR Protection Computer Controls™
• Low-Temperature Operation: Down to -4°F / -20°C
• Packaged Depth: 4.25 in.
• Packaged Height: 6.5 in.
• Packaged Width: 6.75 in.
• Shipping Weight: 1.5 lb
• Charger Included: No

Makita 196675-2 BL1850B 18V LXT Lithium‑Ion 5.0Ah Battery Pack Warranty

• Makita’s 3-year limited warranty

Why Customers Choose the Makita 18V LXT® 5ah Battery Pack

Customers choose the Makita BL1850B because it gives compatible Makita cordless tools a strong balance of runtime, charging speed, and platform flexibility. The 5.0Ah capacity is useful for users running a cordless drill, impact driver, circular saw, grinder, sander, or other 18V LXT® tool through regular jobsite work.

The L.E.D. charge indicator, 45-minute charge time, and STAR Protection technology make this Makita 18V battery a practical choice for contractors, maintenance crews, and shops that want fewer battery interruptions and dependable cordless tool performance.