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Batteries & Circuits


Need materials for a study on batteries or circuits? We offer batteries, light bulbs, wire, switches, and several kits so you can do a complete battery and circuit lab for your homeschool or science fair project. See our teaching tip for more information about Batteries and Electromagnets.
 
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Rechargeable AAA batteries, 4/pack Ni-MH
Rechargeable AAA batteries, 4/pack Ni-MH
Solar cell, 1 volt, 400 ma
Solar cell, 1 volt, 400 ma
Wire, insulated copper, #24, 15ft.
Wire, insulated copper, #24, 15ft.
Alligator clip leads, 2/pk
Alligator clip leads, 2/pk

$8.95

These Ultralast rechargeable AAA batteries deliver maximum power and longev... more

$8.50

This solar cell comes complete with attached wires and encased in a clear p... more

$1.50

24 gauge solid copper wire with PVC insulation is perfect for connecting ba... more

$1.20

Insulated 15" wire leads to quickly connect electrical items.
Battery Kit "Voltaic Cell"
Battery Kit "Voltaic Cell"
Battery, AA-size, alkaline, 4/pack
Battery, AA-size, alkaline, 4/pack
Battery, D-size, heavy duty, 2/pack
Battery, D-size, heavy duty, 2/pack
Battery, 6 volt
Battery, 6 volt

$15.95

Make your own battery with this voltaic cell kit! This makes a good springb... more

$2.00

This 4/pack of long-life, alkaline AA batteries works great for powering yo... more

$1.95

Standard D-size batteries. Order these battery holders to go with this batt... more

$4.95

Heavy duty 6-volt battery with two screw terminals for easy connection.
Battery, 9-volt, alkaline
Battery, 9-volt, alkaline
Battery holder, for D cell
Battery holder, for D cell
Battery Connector, 9-volt
Battery Connector, 9-volt
Bulb holder, 1-bulb
Bulb holder, 1-bulb

$2.25

9-volt alkaline battery. Order our battery connector cap to use with this b... more

$1.50

With quick connect clips for attaching wire.

$0.70

This battery connector with wire leads snaps onto any 9-volt battery.

$1.00

Plastic base with screw terminals. Designed to fit all our screw base lig... more
Bulb socket, 1-bulb
Bulb socket, 1-bulb
Bulb, screw base, 1.5-volt
Bulb, screw base, 1.5-volt
Bulb, screw base, 3.7-volt
Bulb, screw base, 3.7-volt
Bulb, screw base, 6.3-volt
Bulb, screw base, 6.3-volt

$0.80

All metal with holes to attach or solder wires.

$0.70

Burns brightly with 1.5-volt batteries.

$0.70

Best light bulb for all-around electronics project use. Use with D-size or ... more

$0.70

Light bulb for use with 6-volt battery.
Bulb, fluorescent spiral, 15 watt
Bulb, fluorescent spiral, 15 watt
Lamp Socket Adapter
Lamp Socket Adapter
Buzzer, piezo-electric, DC
Buzzer, piezo-electric, DC
Switch, knife type,  SPST
Switch, knife type, SPST

$5.95

This 15-watt spiral fluorescent bulb fits a standard-size household light s... more

$2.95

This lamp socket adapter plugs into a standard outlet or extension cord to ... more

$3.50

Use this economical piezo-electric buzzer in experiments that require a doo... more

$2.00

Single throw, single pole knife switch. Has screw terminals to connect wire... more
Wire, bare copper, #24, 25 ft.
Wire, bare copper, #24, 25 ft.
Wire, insulated copper, #24, 100 feet
Wire, insulated copper, #24, 100 feet
Wire, magnet, #24, 25 ft
Wire, magnet, #24, 25 ft
Potentiometer, 1000 ohm
Potentiometer, 1000 ohm

$2.00

This #24 copper wire is uninsulated.

$5.50

24 gauge solid copper wire with PVC insulation is perfect for connecting ba... more

$2.00

Solid copper wire with enamel coating.

$3.00

This variable resistor is used to regulate the voltage in an electric circu... more
Resistors, 5 watt, 1 & 5 ohms
Resistors, 5 watt, 1 & 5 ohms
Resistors, set of 20, 1/4 watt
Resistors, set of 20, 1/4 watt

$3.00


$4.00

Contains 10, 20, 100, 220, 470, 1,000, 10,000, 100,000 ohm sizes.
 
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