Dewalt FlexVolt, a Revolutionary Builder Tool Battery System. Dewalt as a power tool industry creates a battery system that is compatible with various power requirements. This means that various tools, from small to large ones, can use one battery, and the voltage of this battery can move automatically from 20 volts to 60 volts and even 120 volts.
On June 21, 2016, at 8:30 a.m. in Baltimore, Maryland, the electrical equipment industry changed when the DeWalt FlexVolt system was launched. It brings technology never seen before and opens up more tools to the world without wires.
What makes the DeWalt FlexVolt so revolutionary is that it is capable of converting 20V Max and 60V Max voltages – it tells the battery which mode to operate and run automatically.
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The electronic controls have provided DeWalt the technology to connect FlexVolt batteries in two ways to the extreme operating system of 20V Max or the incredible power of 60V Max and 120V Max.
The concept is quite straightforward – the lithium-ion battery cell wires are strung in series to increase the voltage. and the wire is strung in parallel for a larger amperage, this switching system can happen automatically.
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Dewalt FlexVolt, The Circuit System For Larger Amperes
The 20V Max (18 volts nominal) battery is made with a set of five lithium-ion cells connected in series. Each cell produces 4V Max (3.6 volts nominal) and the series connection multiplies that to 20 volts. the 2.0 amps in each cell aren’t coupled in any way, so the battery is 20V Max, the battery current is 2.0 amperes – also known as the DeWalt compact battery.
The second set of five cells is then transferred to the first by parallel connection. Now the voltage remains the same and amperes are added to make DeWalt’s 20W Max battery 4.0 amps. The three sets of cells can be wired in parallel and will provide 6.0 amperes in a 20V Max battery.
Dewalt FlexVolt, Series for Greater Voltage
If you had to remove two parallel connections between five sets of cells and replace them with a series connection, you would get a 60V Max battery, 2.0 amps per hour of power. It’s the concept that converts to higher voltages, like 40V Max on DeWalt’s OPE and 56V and 80V Max batteries on other platforms.
Before the DeWalt FlexVolt system, we had to choose a tough configuration for the battery to work. If you want a higher-voltage battery, you’ll need to move to an entirely new piece of equipment that isn’t compatible with the lower-voltage system. Another solution is to combine several batteries with a series connection to double the voltage.
If you look inside the DeWalt FlexVolt battery pack, you will find 15 lithium-ion cells along with the wiring configurations for the 20V Max and 60V Max power supplies. Electronic communication between the device and the battery tells the cells which set of wires to run. The voltage transfer is automatic according to the needs of the tool.
Why DeWalt FlexVolt?
Power tools usually require different power. A drill might get all the torque it needs from a 6 amp motor, while a miter saw requires a 15 amp motor to run properly. Every motor has an amperage requirement, but power consumption is measured in watts (your power bill always shows kilowatt-hours used).
With FlexVolt, tools that deliver fewer watts for smaller brushless motors use the 20V Max configuration. When a higher wattage is required by a larger brushless motor, the battery switches to 60V Max.
The idea behind FlexVolt is to create a wireless work location where there is no compromise on power and performance, regardless of which device can use the same battery without forcing the user to be tied to multiple battery systems.