The first rule you need to be familiar with when choosing a cordless drill is this simple fact-the battery you choose to power this tool will ultimately determine the strength and torque you will get. Obviously, the higher the voltage of the Dyson vacuum cleaner battery, the more power you can expect to get from your cordless drill. While this seems to be very exciting option, there are tradeoffs to be made with a higher voltage cordless tool. There is the burden of additional cost and additional weight if you are going for a higher voltage solution for your drilling needs.
Let's look at a typical comparison to prove this point. A normal 9.6 volt cordless drill will weigh around 3-1/2 lbs and costs you $35-$150 a piece, depending on the model and brand you choose. If you opt for a higher voltage tool, a 19.2 volt cordless drill would weigh up to ten lbs and costs anywhere from $120-$300 a piece. If you are looking to get more power and torque from a cordless drill, then it may justify the cost of getting a more expensive version. But if you are merely looking to drive screws in your own home, then it would not be a wise move to waste your hard-earned money on a powerful 19.2 volt cordless drilling. It is much harder to use too, because of the additional weight. Under these circumstances, a lighter version would suit you best.
Different models come with different AEG drill battery needs. Some cordless drills come with one battery while others will have two or more. If you plan to use your cordless drill for extended periods of time, then it is important to go for tool that comes with more than one battery. It can be very frustrating to experience dead batteries when you are in the middle of an important project. Waiting for hours and hours for the battery to charge up when you are running out of time is an exasperating situation. If you fancy a cordless drill that has one battery, ask for additional batteries you can purchase and keep just in case you need them. Be sure to include that in the cost when you are comparing them.
Basically, there are two types of batteries involved when you talk about cordless drills; Li-Ion or the Lithium Ion batteries and Nickel Metal Hydride batteries. Please do not make the mistake of going for the Nickel Metal Hydride, which is the cheaper version. These seem to have problems with memory and would require you to totally discharge them complete before you could charge them again. If you fail to do this, it would lose its charge capacity. This is the ultimate time waster. Aside from that, they don't last that long as the Li-Ions would and tend to be lower powered than Lithium-Ion batteries.
Cordless Drills Storage
It is good to know that even when your cordless drill is turned off, it would still draw a little energy form the batteries. This may not be a significant amount but when you add that over a period of time, you will be losing a lot of battery power this way. Therefore, do not store your cordless drill with the battery intact. Remove it and put it aside.
Another thing to remember is not to store those Metabo tool batteries in the charger as well. This will draw energy away too, and cause your battery to die off sooner than you expect. Keep it away from high heat or extreme coldness. Heat tends to cause damage to your battery while exposing it to low temperatures over a period of time will draw its charging capacity.
One final tip is, it is vitally important to choose the right brand that you can depend on for reliability and safety. Ensure it comes with a guarantee against all manufacturing defects. Ensuring your peace of mind is crucial when it comes to buying the best cordless drill.
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