Makita BL1850B-2 18V LXT 5.0Ah Battery, 2-Pack – Fast Charge & Extended Runtime

Overview

The Makita BL1850B-2 is a targeted solution for serious cordless work. This 2-pack of 18V LXT lithium‑ion batteries delivers extended runtime with a smart charging approach, helping you stay productive on demanding projects. The cells resist self-discharge, so they stay ready for action after periods of storage. When paired with a compatible charger, you can move quickly from one task to the next without worrying about rebalancing power between tools.

Key advantages

• Up to 65% more run time per charge compared to older 3.0–4.0Ah models, allowing longer sessions between swaps.
• Full charge in 45 minutes or less with a compatible Rapid Optimum Charger, reducing downtime.
• Integrated LED charge level indicator for at-a-glance power monitoring on the go.
• Two-pack provides reliable power reserves for back-to-back tasks in busy shops or on site.

Smart charging and protection

Using Makita's Rapid Optimum Charger, the battery and charger communicate to optimize voltage, current, and temperature for efficient charging. A built‑in cooling fan helps speed up recharge times, while STAR Protection Computer Controls monitor operation to help prevent overheating and overloading.

Real-world use cases

• Keep cordless drills, drivers, and saws running through extended work sessions without frequent recharges.
• Swap between two high‑capacity packs to maintain a steady workflow during larger renovations or construction tasks.
• Carry spares for renovations, carpentry, or maintenance projects where dependable power matters.

What you get

• 2 x Makita BL1850B-2 18V LXT 5.0Ah batteries
• Compatibility with Star Protection tools and the Makita ecosystem