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A kit comprising a plurality of power tools configured to operate at different voltages, a plurality of receivers configured to provide different output charging voltages and means for selectively engaging each receiver with only one or more power tools having an operating voltage equal to or greate

A kit comprising a plurality of power tools configured to operate at different voltages, a plurality of receivers configured to provide different output charging voltages and means for selectively engaging each receiver with only one or more power tools having an operating voltage equal to or greater than the output charging voltage of the receiver to charge the one or more power tool. The selective engagement means being in the form of a plurality of terminal block. Each terminal block may be secured to a respective one of the power tools. Each terminal block may include a rib and each receiver may define a slot to receivingly engage one of the ribs. The rib of each terminal block may be disposed at a different location than the ribs of the other terminal blocks, and the slot of each receiver may be positioned at a different location than the slots of the other receivers. Some of the receivers may engage more than one of the terminal blocks so that the receivers may engage the power tools that operate at the same or greater voltages than the charging voltage of the receivers.

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The invention claimed is: 1. A kit comprising: a plurality of power tools, each power tool configured to operate at an operating voltage, the operating voltages of at least two of the power tools being different from each other; a plurality of receivers for charging the power tools, each receiver i

The invention claimed is: 1. A kit comprising: a plurality of power tools, each power tool configured to operate at an operating voltage, the operating voltages of at least two of the power tools being different from each other; a plurality of receivers for charging the power tools, each receiver including a portable power source configured to provide an output charging voltage, the output charging voltages of at least two of the receivers being different from each other, the output charging voltage of one of the receivers being equal to or greater than the operating voltage of at least one of the power tools and the output charging voltage of an other of the receivers being equal to or greater than the operating voltage of at least one of the other power tools; and means for selectively horizontally, slidably engaging each receiver with only one or more power tools having an operating voltage equal to or greater than the output charging voltage of the receiver to charge said one or more power tools and said horizontally, slidably selective engagement means includes a plurality of terminal blocks, each terminal block having at least one horizontally oriented rib and at least one of the receivers defines a horizontally oriented slot configured to engage a respective slot with a respective rib on the receivers and said one or more power tools having an operating voltage equal to or greater than the output charging voltage of the receiver, each terminal block is associated with a respective one of the power tools, wherein some of the terminal blocks include the rib and some of the receivers defines a slot configured to horizontally receive the rib of at least one of the terminal blocks, the location of the rib of each terminal block depending upon the output voltage of the respective power tool and the location of the slot of each receiver depending upon the output voltage of the receiver. 2. The kit of claim 1 wherein one of the terminal blocks does not include a rib receivable by any of the slots of the receivers. 3. The kit of claim 1 wherein one of the receivers does not define a slot configured to receive any of the ribs. 4. The kit of claim 1 wherein at least one of said some of the receivers defines a plurality of the slots, said at least one of said some of the receivers configured to alternatively engage two of the terminal blocks secured to respective power tools having output voltages greater than the output voltages of some of the receivers. 5. The kit of claim 1 wherein each power tool includes a housing having a base and each of the terminal blocks is secured to the base of the respective one of the power tools. 6. The kit of claim 1 wherein each of the power tools includes a power tool housing and each power tool housing is substantially similar in construction to each other. 7. The kit of claim 1 wherein each receiver includes a receiver housing and each receiver housing is substantially similar in construction to each other. 8. The kit of claim 1 wherein there are at least six power tools, the operating voltage of one of the power tools being 9.6 volts, the operating voltage of an other of the power tools being 12 volts, the operating voltage of an other of the power tools being 14.4 volts, the operating voltage of an other of the power tools being 18 volts, the operating voltage of an other of the power tools being 20 volts, and the operating voltage of an other of the power tools being 24 volts. 9. The kit of claim 1 wherein there are at least six receivers, the output charging voltage of one of the receivers being 9.6 volts, the output charging voltage of an other of the receivers being 12 volts, the output charging voltage of an other of the receivers being 14.4 volts, the output charging voltage of an other of the receivers being 18 volts, the output charging voltage of an other of the receivers being 20 volts, and the output charging voltage of an other of the receivers being 24 volts. 10. A kit comprising: a plurality of power tools, each power tool configured to operate at an operating voltage, the operating voltages of at least two of the power tools being different from each other; a plurality of receivers for charging the power tools, each receiver including a portable power source configured to provide an output charging voltage, the output charging voltages of at least two of the receivers being different from each other, the output charging voltage of one of the receivers being equal to or greater than the operating voltage of at least one of the power tools and the output charging voltage of an other of the receivers being equal to or greater than the operating voltage of at least one of the other power tools; and a plurality of terminal blocks, each terminal block configured to selectively horizontally, slidably engage one of the receivers with only one or more power tools having an operating voltage equal to or greater than the output charging voltage of said one of the receivers to charge said one or more power tools. 11. The kit of claim 10 wherein each terminal block is secured to a respective one of the power tools. 12. The kit of claim 10 wherein some of the terminal blocks include a rib and some of the receivers define a slot configured to receive the rib of at least one terminal block to engage the terminal block. 13. The kit of claim 10 wherein some of the terminal blocks include a rib and some of the receivers define a slot configured to receive the rib of at least one of the terminal blocks, the location of the rib of each terminal block depending upon the output voltage of said one or more power tools and the location of the slot of each receiver depending upon the output voltage of said one of the receivers. 14. The kit of claim 13 wherein at least one of said some of the receivers defines a plurality of the slots, said at least one of said some of the receivers configured to alternatively engage two different terminal blocks secured to said one or more power tools having output voltages different than the output charging said at least one of said some of the receivers. 15. The kit of claim 10 wherein each of the power tools includes a power tool housing and each power tool housing is substantially similar in construction to each other, and each receiver includes a receiver housing and each receiver housing is substantially similar in construction to each other. 16. A kit comprising: a plurality of power tools, each power tool configured to operate at an operating voltage, the operating voltages of at least two of the power tools being different from each other; a plurality of receivers for charging the power tools, each receiver including a portable power source configured to provide an output charging voltage, the output charging voltages of at least two of the receivers being different from each other, the output charging voltage of one of the receivers being equal to or greater than the operating voltage of at least one of the power tools and the output charging voltage of an other of the receivers being equal to or greater than the operating voltage of at least one of the other power tools, at least some of the receivers defining a slot, the position of the slot of each of said some of the receivers depending upon the output charging voltage of the receiver; and a plurality of terminal blocks, each terminal block horizontally, slidably secured to a respective power tool and at least some of the terminal blocks having a rib receivable by the slot of at least one of the receivers, the position of the rib of each of said some of the terminal blocks depending upon the operating voltage of the respective power tool, each terminal block configured to selectively engage one of the receivers with only one or more power tools having an operating voltage equal to or greater than the output charging voltage of said one of the receivers to charge said one or more power tools. 17. The kit of claim 16 wherein each of the power tools includes a power tool housing and each power tool housing is substantially similar in construction to each other, and each receiver includes a receiver housing and each receiver housing is substantially similar in construction to each other. 18. The kit of claim 17 wherein there are at least six power tools, the operating voltage of one of the power tools being 9.6 volts, the operating voltage of an other of the power tools being 12 volts, the operating voltage of an other of the power tools being 14.4 volts, the operating voltage of an other of the power tools being 18 volts, the operating voltage of an other of the power tools being 20 volts, and the operating voltage of an other of the power tools being 24 volts; and wherein there are at least six receivers, the output charging voltage of one of the receivers being 9.6 volts, the output charging voltage of an other of the receivers being 12 volts, the output charging voltage of an other of the receivers being 14.4 volts, the output charging voltage of an other of the receivers being 18 volts, the output charging voltage of an other of the receivers being 20 volts, and the output charging voltage of an other of the receivers being 24 volts.