Use clamps or other practical way t o secure and support the workpiece t o a stable platform. Holding the work by hand or against your body is unstable 
Disconnect battery pack from tool or place the switch in the locked or off position before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures reduce the risk of starting the tool acc
Store idle tools out of reach of children and other untrained persons. Tools are dangerous in the hands of untrained users.
When battery pack is not in use, keep it away from other metal objects like: paper clips, coins, keys, nails, screws, or other small metal objects that can make a connection from one terminal to another. Shorting the battery terminals together may cause sparks, burns, or a fire.
Maintain tools 
Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool's operation. If damaged, have the tool serviced before using. Many accidents are caused by poorly maintained tools.
Use only accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one tool may create a risk of injury when used on another tool.
Tool service must be performed only by qualified repair personnel. Service or maintenance performed by unqualified personnel may result in a risk 
When servicing a tool, use only identical replacement parts. Follow instructions in the Maintenance section of this manual. 
5680DWB, 5630DWA specifications
The Makita 5630DWA and 5680DWB are two powerful cordless saws designed for precision cutting tasks in various applications. Both models are part of Makita's expansive range of cordless power tools, bringing together advanced technology and user-friendly features for enhanced performance.The Makita 5630DWA is equipped with a 190mm blade, allowing it to make clean, accurate cuts in wood and other materials. It features a high-performance 18V Lithium-Ion battery, which provides ample power and a longer run time, making it ideal for extended use in demanding tasks. One of its standout features is the electronic brake, which stops the blade quickly after releasing the trigger, enhancing user safety and control.
Additionally, the 5630DWA comes with a built-in laser guide, ensuring precision in alignment and cutting, which is particularly beneficial for professional carpenters and DIY enthusiasts alike. The lightweight design of the saw contributes to reduced fatigue when used for prolonged periods, making it more comfortable to handle.
The Makita 5680DWB, on the other hand, is designed for more demanding tasks and features a slightly larger blade size, providing a deeper cutting capability. It also supports the same high-capacity 18V Lithium-Ion battery, ensuring that users receive consistent power for a variety of applications. One innovative technology in the 5680DWB is its automatic torque drive function, which adjusts cutting speed and torque based on the material being cut, optimizing performance and efficiency.
Another impressive feature of the 5680DWB is its adjustable cutting depth and bevel angle, allowing for versatile cutting options to meet the specific needs of any project. The tool's robust build quality ensures durability and longevity, making it a reliable addition to any toolkit.
Both models benefit from Makita’s commitment to user ergonomics, with soft-grip handles that provide comfort and control while reducing vibrations during use. Moreover, these cordless saws are compatible with a wide range of Makita accessories, enhancing their versatility.
In conclusion, the Makita 5630DWA and 5680DWB are exemplary tools that combined power, precision, and user-friendly features. Whether for professional use or home improvement, these saws stand out as reliable choices for anyone looking to take on cutting tasks effectively.