xUmp.com Logo

TODAY'S COUPON: SAVE ADDITIONAL 10% OFF with coupon code: JXMAS19 [Expires tonight at 11:59PM. Online orders only.]
Christmas In July Sale 2019
Save up to 80% on Science Supplies, Gifts, Gadgets and Toys
Home \ Robotics & Electronics  \ Batteries, Adapters & Power Supplies

Batteries, Adapters & Power Supplies

CR2032 Battery with Wire Leads and Connector (CMOS, Laptop, Notebook, Motherboard, Bristlebots, etc.)

A wrapped CR2032 battery with attached wire leads - excellent for hobby electronics and science fair projects

Item#: 16483 Age: 14+
5 star rating (7 customer reviews)

Hand Held DC Generator

An excellent demonstration model for teaching about the conversion of mechanical energy to electrical energy!

Item#: 10876 Age: 7+
5 star rating (3 customer reviews)

Deluxe DC Crank Generator

A hand-cranked 12-volt DC generator, useful for experiments or as a unique flashlight

Item#: 15239 Age: 10+
5 star rating (1 customer reviews)

Power Pro DC Adapter - 12V 1000mA

Use this powerful DC adapter for a variety of electrical applications!

Item#: 14926 Age: 10+
5 star rating (3 customer reviews)

Thermoelectric Generator

Use this generator to demonstrate the 2nd law of thermodynamics!

Item#: 14618 Age: 12+
5 star rating (3 customer reviews)

4 AA Panasonic Alkaline Plus Batteries

Genuine AA Panasonic Alkaline Plus batteries - 4 pack.

Item#: 15466 Age: 18+

3.7V 5000mAh 18650 Lithium Battery Cell

This 3.7V lithium battery is perfect for solar science fair projects involving panels. Also great for building an off-grid solar power system for camping, RVs, or boats.

Item#: 16358 Age: 14+
5 star rating (2 customer reviews)

CR2032 Lithium Cell Batteries - 9 pack

A blister pack of 9 3V CR2032 Lithium Cell Batteries, usually used for remote controls, but, more frequently, computer motherboards.

Item#: 15992 Age: 18+

9V Panasonic Alkaline Plus Battery

Genuine 9V Panasonic Alkaline Plus battery.

Item#: 15469 Age: 18+

10 pack CR2032 Batteries with Wire Leads (CMOS)

Save with this 10 pack of CR2032 batteries with wire leads!

Item#: 16639 Age: 18+

4 AAA Panasonic Alkaline Plus Batteries

Genuine AAA Panasonic Alkaline Plus batteries - 4 pack.

Item#: 15468 Age: 18+

2 AAA Panasonic Alkaline Plus Batteries

Genuine AAA Panasonic Alkaline Plus batteries - 2 pack.

Item#: 15467 Age: 18+

2 D Panasonic Alkaline Plus Battery

Genuine D Panasonic Alkaline Plus batteries - 2 pack.

Item#: 15470 Age: 18+

AG-13 Alkaline Batteries - 20 pack

A 20-pack of AG-13 Alkaline Batteries, ideal for watches, clocks, calculators, electronics, cameras, LED tools, and more

Item#: 15993 Age: 18+

10A 12V Lithium Battery Solar Charge Controller

Solar charge controllers are essential for ensuring the smooth functioning of a solar panel and its battery. This 10A model is suitable for 12V/24V DC.

Item#: 16345 Age: 18+

20A 12V Lithium Battery Solar Charge Controller

20A Solar Charge Controller, suitable for 12V/24V DC units. Solar charge controllers are essential for ensuring the smooth functioning of a solar panel and its battery.

Item#: 16346 Age: 18+

12V 9800mAh Lithium Battery

This 12V lithium battery is perfect for solar science fair projects involving panels. Also great for building an off-grid solar power system for camping, RVs, or boats.

Item#: 16357 Age: 14+

2xAA to D Battery Converter

Plastic casing that uses 2 AA batteries to produce the same voltage output as a D battery (1.5V)

Item#: 16424 Age: 14+

12V 4400mAh Lithium Battery

This 12V lithium battery is perfect for solar science fair projects involving panels. Also great for building an off-grid solar power system for camping, RVs, or boats.

Item#: 16356 Age: 14+

3.7V Lithium Battery Indicator/Tester

This visual/graphic voltmeter is excellent for checking the levels of 3.7V lithium cells - get the most from your batteries and devices!

Item#: 16657 Age: 14+

FREE SHIPPING

Lab DC Switching Power Supply 0-30V 0-3A

This power supply is perfect for use in classrooms or laboratories. The unit produces variable 0 to 30V DC at up to a maximum of 3A, and features a clean and easy-to-read digital display.

Item#: 16351 Age: 18+

3V-12V DC Variable Power Supply

Forget the batteries! This safe and reliable power supply is a convenient source of low voltage DC power. Dial easily turns to select the desired voltage and it plugs into a standard electrical outlet. 3V-12V DC, 1.25 amps max.

Item#: 16120 Age: 16+

CR2032 Battery with Wire Leads and Molex 51021-0200-B (1.25mm pitch) Connector (CMOS)

A wrapped CR2032 battery with attached wire leads - excellent for hobby electronics and science fair projects

Item#: 16798 Age: 14+

Switching Power Supply - 3V to 12V

This innovative adapter uses state-of-the-art switching technology to allow the user to choose various output voltages from a range between 3V and 12V

Item#: 16564 Age: 18+

xUmp.com Logo


Join our tribe:

SIGN-UP & SAVE

Sign-up for our weekly discounts and promotions email newsletter.



xUmp.com Catalog

CATALOG

View xUmp science supplies catalog

xUmp.com Mission