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Adjustable Mini DC-DC Module- LM2596S
Price: $4.62
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Elecrow Item #: EL-PCH2596S -

This DC-DC module uses the step-down switching regulator LM2596S to provide a stable power supply for the users. The output voltage is adjustable and can ensure 3A output load current. It works at 150 kHz and has high efficiency >90%.Specification Input Voltage: 3V~40V (1.5V higher than the output at least) Adjustable Output Voltage: 1.5V~35V. Output Current: 3A Dimension: 45mm x 20mm x 14mmDownloadLM2596 Datasheet ...

BreadBoard Power Supply
Price: $6.95
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Elecrow Item #: EL-PSB02011B -

This power module is design for the standard bread board. Its tiny design doesn\'t waste your proto zone. This breadboard power supply support Mini USB power supply and power jack 7-12V supply. You can select 5v or 3.3v supply by using jumper cap. Through this board, you can give power to both power lane of the breadboard. Features3.3v / 5v power supply optionalMini USB or Exteral power supply optionalWiki & External linksManual&WikiSchematic ...

Adjustable DC-DC Booster- LM2577
Price: $11.62
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Elecrow Item #: EL-PCH2577S -

Arduino LM2577 DC-DC Adjustable Step-up Power Converter Module . The LM2577 series of regulators are monolithic integrated circuits that provide all the active functions for a step-up(buck) switching regulator, capable of driving a 3A load withexcellent line and load regulation. This module uses the adjustable output version, it would facilitate your application and be your good assistant in your debugging. FeaturesModule Properties: Non-isolated buck ModuleRectification: Non-synchronous...

Battery Holder with Switch - 3 x AAA
Price: $2.10
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Elecrow Item #: EL-PSB00303B -

The 3 x AAA Battery Holder with Switch puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 145mm, and the last 5mm of them are tinned. It is series connection.SpecificationBattery Type : AAABattery Qty : 3With Cover : YESWith Switch : YESHolder color : BlackConnection Type :...

Powerocks Magicstick 2800mAh - Purple
Retail: $39.93
Price: $10.01
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MK-Misc Item #: PRPurple -

Magicstick 2800mAh - Purple Rechargeable, Portable and Lightweight  This extended battery is small enough to easily fit in a purse, briefcase, backpack...even in the palm of your hand. This lightweight but powerful battery is perfect for work, vacation and everyday on-the-go. It has a modern slim, sleek, and stylish design. Its compact design makes it convenient to carry in your pocket or purse. You could even leave it plugged in to your phone. Micro USB cable and velvet bag are included....

Battery Holder - 8 x AA
Price: $4.15
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Elecrow Item #: EL-PSB00802B -

The 8 x AA Battery Holder with Switch puts a nice finishing touch on your battery powered project. The battery install in the both side of the battery holder and it was two AA battery series connect in together. The 85mm cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector.Features8 AA batteries With a DC jack male Rectangle configuration ...

Battery Holder with Switch - 3 x AA
Price: $2.10
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Elecrow Item #: EL-PSB00302B -

The 3 x AA Battery Holder with Switch puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 145mm, and the last 5mm of them are tinned. It is series connection.SpecificationBattery Type : AABattery Qty : 3With Cover : YESWith Switch : YESHolder color : BlackConnection Type : Wireweight...

Powerocks Magicstick 2800mAh - Red
Retail: $39.93
Price: $10.01
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MK-Misc Item #: PRRed -

Magicstick 2800mAh - Red Rechargeable, Portable and Lightweight  This extended battery is small enough to easily fit in a purse, briefcase, backpack...even in the palm of your hand. This lightweight but powerful battery is perfect for work, vacation and everyday on-the-go. It has a modern slim, sleek, and stylish design. Its compact design makes it convenient to carry in your pocket or purse. You could even leave it plugged in to your phone. Micro USB cable and velvet bag are included....

12V-2A AC/DC Power Adapter with Cable
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Price: $10.50
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Elecrow Item #: EL-PSB01202U -

This is a high quality AC/DC adapter, it has over hot protection and short circuit protection .It is light and easy to carry while traveling. The input voltage range from AC110V to AC240V, makes this module can be used around the world.SpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 12VMax Output Current: 2AAdapter Standard: US Standard ...

Battery Holder with Switch- 8 x AA
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Price: $5.79
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Elecrow Item #: EL-PSB00801B -

The 8 x AA Battery Holder with Switch puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The 220mm cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector.Features8 AA batteries With a cover and fixed screw With a ON/OFF switch With a DC jack male ...

Fixed dual-voltage (5.0V and 3.3V) power supply board
Price: $18.64
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Elecrow Item #: EL-CDE50331C -

All electronics projects require power supply. This is a dual-voltage power supply board that provides fixed 3.3V and 5.0V outputs from an unregulated DC input ranging from 7-12V. With its small size (1.8" X 1.4"), it can be easily enclosed inside a project box along with your project circuit. It uses LM78M05 and LD1117-3.3V fixed voltage regulator chips that are both capable to deliver 500mA of output current. The unregulated DC input is provided through a 2-pin terminal block or 2.1mm DC...

9V to Barrel Jack Adapter
Price: $4.85
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Sparkfun Item #: PRT-09518 -

"This simple cable has so many uses! Plug the 9 volt battery clip onto a standard 9V battery and connect the other end to anything with a 5.5x2.1mm, center-positive barrel jack. Use this cable to battery-power any device that needs 9V and has an on-board barrel jack - it works great for Arduinos, development boards, evaluation boards, and more!" ...

5V-1A AC/DC Power Adapter with Cable
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Price: $6.53
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Elecrow Item #: EL-PSB00501U -

This is a high quality AC/DC adapter, it has over hot protection and short circuit protection .It is light and easy to carry while traveling. The input voltage range from AC110V to AC240V, makes this module can be used around the world.SpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 5VMax Output Current: 1AAdapter Standard: US Standard ...

Barrel Jack Power Switch - M-F (3")
Price: $4.05
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Sparkfun Item #: COM-11705 -

"We use barrel jacks a lot around here and sometimes we need to pop a switch into the mix. That usually means hacking up a perfectly good barrel jack extension cable, but the whole point of using the barrel jacks was so that we wouldn’t have to hack things apart… Well, we found a solution: The Barrel Jack Power Switch. Okay, it’s nothing fancy but it is really useful. Plug your power supply into one end and the other into your project and, just like that, you’ve got a...

12V-1A AC/DC Power Adapter with Cable
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Price: $6.53
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Elecrow Item #: EL-PSB01201U -

This is a high quality AC/DC adapter, it has over hot protection and short circuit protection .It is light and easy to carry while traveling. The input voltage range from AC110V to AC240V, makes this module can be used around the world.SpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 12VMax Output Current: 1AAdapter Standard: US Standard ...

USB2DC Power Wire
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Price: $2.80
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Elecrow Item #: EL-PSC55210U -

You can easily power modules that uses DC jack as power supply, with this USB2DC power wire. This wire has a USB type B connector on one end and a 5.5 * 2.1 DC jack on the other end. SpecificationLength: 1.2 m

Solar Panel- 0.6W 5.5V
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Price: $5.60
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Elecrow Item #: EL-PS00655GE -

Need a clean energy source for your project? Check out this compact, high quality, high output endurable solar panel. This solar panel mates directly with many of our development boards and has a high efficiency. Unit has a clear epoxy coating with hard-board backing, provides an efficient and waterproof surface for the panel application on out-door projects. There is an adhesive tape on the top of the panel, Please pulled off it before using!SpecificationDimensions: 65x65x3.0Typical voltage:...

0.5W Solar Panel with Wires
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Price: $4.20
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Elecrow Item #: EL-PS5570SPW -

Need a clean energy source for your project? Check out this compact, high quality, high output endurable solar panel. This solar panel mates directly with many of our development boards and has a high efficiency. Unit has a clear epoxy coating with hard-board backing, provides an efficient and waterproof surface for the panel application on out-door projects. Contrast to these solar panels without wires, the wires and connectors help you using the solar panel more conveniently. There is an...

10-32V to 12-35V 150W DC/DC Booster
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Price: $13.95
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Elecrow Item #: EL-PCH12350D -

With this DC-DC boost module, you can charge your laptop in your car or any other 10~30 V power supply. The output voltage is adjustable from 12~36V with a max of output current 6A, this module would be powerful and stable to power up your whole system.SpecificationModule Properties: non-isolated step-up module (BOOST)Input voltage :10-32VOutput voltage: 12-35V (adjustable, 2V higher than input voltage at least)Output Current: 6A (MAX)Input Current: 10A (MAX) (Please enhance heat dissipation...

5V DC-DC Booster- CE8301
Price: $2.29
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Elecrow Item #: EL-PCH8301C -

This 5V output DC-DC booster uses the mini PFM DC/DC IC CE8301 to get a stable 5V output voltage with 0.9~5V input voltage. There is also a Type-A USB connector on the board, so this module can power other USB device directly with a USB cable, especilly suitable for protable device and and Arduino projects that needs to collect power outdoors. Features On-board Type-A USB connector Wide Input Voltage Range On-board LED Indicator Dimension: 34 mmx 16.2 mmDownloadCE8301 Datasheet&Schematic ...

5V-2A AC/DC Power Adapter with Cable
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Price: $10.50
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Elecrow Item #: EL-PSB00502U -

This is a high quality AC/DC adapter, it has over hot protection and short circuit protection .It is light and easy to carry while traveling. The input voltage range from AC110V to AC240V, makes this module can be used around the world.SpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 5VMax Output Current: 2AAdapter Standard: US Standard ...

5V-2A ACDC USB Power Adapter
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Price: $22.87
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Elecrow Item #: EL-PSB10520U -

This is a high quality AC/DC adapter, it use the USB connector to power up other modules such as the Arduino or Crowduino. With this module, you do not need to power the crowduino with a PC any more. You may also need a Mini USB Cable or Type-B USB Cable For Arduino SpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 5VMax Output Current: 2AAdapter Standard: US Standard + USB ...

5V-500mA AC/DC USB Power Adapter
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Price: $5.60
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Elecrow Item #: EL-PSB10505U -

This is a high quality AC/DC adapter, it use the USB connector to power up other modules such as the Arduino or Crowduino. With this module, you do not need to power the crowduino with a PC any more. You may also need a Mini USB Cable or Type-B USB Cable For ArduinoSpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 5VMax Output Current: 0.5AAdapter Standard: US Standard + USB ...

9V-1A AC/DC Power Adapter with Cable
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Price: $6.53
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Elecrow Item #: EL-PSB00901U -

This is a high quality AC/DC adapter, it has over hot protection and short circuit protection .It is light and easy to carry while traveling. The input voltage range from AC110V to AC240V, makes this module can be used around the world.SpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 9VMax Output Current: 1AAdapter Standard: US Standard ...

9V-2A AC/DC Power Adapter with Cable
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Price: $10.50
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Elecrow Item #: EL-PSB00902U -

This is a high quality AC/DC adapter, it has over hot protection and short circuit protection .It is light and easy to carry while traveling. The input voltage range from AC110V to AC240V, makes this module can be used around the world.SpecificationInput voltage: 110~240V ACRated Frequency: 50~60Hz Output Voltage: 9VMax Output Current: 2AAdapter Standard: US Standard ...

B3603 DC-DC Digital Control Step-down Module
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Price: $46.20
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Elecrow Item #: EL-PCB3603DC -

The B3603 DC-DC Digital Control Step-down Module is a digital control and digital display step-down module, it has small volume, high power, high efficiency and works steady. It controlled by high speed micro controller, and the output voltage and current can be adjusted accurately. There are also 10 groups of storage space, which be used to store and bring up the parameters at any time. This module is equipped with four 8-segment LED digital tube, which can display voltage, current, power,...

Barrel Jack Extension Cable - M-F (3 ft)
Price: $2.89
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Sparkfun Item #: COM-11706 -

"Do you fear that your power may not be “far reaching” enough? How would another 3' work for you? Okay, so it doesn’t sound very dramatic, but sometimes an extra 3' of power cable is exactly what your project needs. Don’t hack apart a nice clean barrel jack connection just because it won’t reach, this male-to-female barrel jack extension cable will make the reach. This cable is terminated with 5.5x2.1mm barrel connectors, one male and one female, and fits most of...

Barrel Jack Extension Cable - M-F (6 ft)
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Price: $3.21
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Sparkfun Item #: COM-11707 -

"Do you fear that your power may not be “far reaching” enough? How would another 6' work for you? Okay, so it doesn’t sound very dramatic, but sometimes an extra 6' of power cable is exactly what your project needs. Don’t hack apart a nice clean barrel jack connection just because it won’t reach, this male-to-female barrel jack extension cable will make the reach. This cable is terminated with 5.5x2.1mm barrel connectors, one male and one female, and fits most of...

Barrel Jack to 2-pin JST
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Price: $4.85
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Sparkfun Item #: TOL-08734 -

"Two pin JST connector to a 2.1x 5.5mm barrel jack, 6.25 inch long jumper cable. We use this cable to adapt from a wall power supply to a relatively small, SMD JST connector. We found that many of the SMD connectors used for battery charging were too large or were not capable of through-putting the current we wanted for faster charging. This setup, with a SMD JST connector and wall power supply, can handle up to 2A!"

Battery Holder - 10 x AA
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Price: $4.62
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Elecrow Item #: EL-PSB0102B -

This is a simple 10 cell AA battery holder. There is 5 cell in one side. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino (among a number of other products) allowing you to easily make your project battery powered.

Battery Holder With Switch - 4 x AAA
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Price: $2.33
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Elecrow Item #: EL-PSB00403B -

The 4 x AAA Battery Holder with Switch puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 145mm, and the last 5mm of them are tinned. It is series connection.Specification4 AAA batteriesWith a cover and fixed screwWith a ON/OFF switch ...

Boost And Buck Voltage Converter LM2577& LM2596
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Price: $18.62
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Elecrow Item #: EL-PCA7796BB -

With this DC-DC Adjustable boost and buck voltage converter, you can change any other 3.5-28V power supply. The output voltage is adjust from 1.25-26V. For example, your input voltage is 5V, you can adjust the output voltage from 1.25V to 26V any value. The max input and output rated current is 1A. This module integrates LM2596 and LM2577. It is very useful and easy to use. It would be a good assistant in your debugging.FeaturesInput voltage: 3.5V-28VAdjustable Output Voltage: 1.25V~26V Input...

CR1220-2 SMD Battery Holder - Brown
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Price: $0.93
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Elecrow Item #: EL-PSB12202B -

It is suitable for one piece CR1220 lithium coin cell battery. Surface Mount(SMT).SpecificationContacts: copper alloyInsulator: PPSTerminal finish: gold platedOperating temperature: -55~+220 degree centigrade.

DC Barrel Jack Adapter - Female
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Price: $4.85
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Sparkfun Item #: PRT-10288 -

"This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution."

DC Barrel Jack Adapter - Male
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Price: $4.85
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Sparkfun Item #: PRT-10287 -

"This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution."

DC Barrel Jack Plug - Female
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Price: $1.57
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Sparkfun Item #: PRT-13126 -

"This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well."

DC Barrel Jack Plug - Male
Price: $1.57
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Sparkfun Item #: PRT-11476 -

"This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well. Documents: Product Video "

DC Power Module
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Price: $2.10
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Elecrow Item #: EL-PCA03082P -

This DC power modules are complete DC/DC power solutions that reduce design time, lower cost and save board space. With a small form factor, high power efficiency and robust features, so it is very popular.Features Lower cost Small and save board space High power efficiency LED displaySpecification Size: 2.8cm x 1.3cm Suitable connector: 5.5 x 2.1mm Output power connector: VCC x2, GNN x2 Weight: 3.2gPackage list DC Power Module x1Wiki & External links ...

Flexible Solar Panel- 1W 1.5V
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Price: $41.53
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Elecrow Item #: EL-PS0115FGE -

Light, thin and versatile solar panel at 1.5V/250MA. Unlike regular solar panels, it is truly flexible to be bent, sewed or treated in the clothing to match any kind of surface line. A good choice for DIY enthusiasts in selecting an alternative power source. Clean energy, in a compact size and a versatile form. The black edges can be easily cut or sewed, and the solar panel is waterproof. Specification Operating Voltage: 1.5VMax Power: 1WUse of the environment: -40 \xe2\u201e\u0192 ~ 80...

Foldable Solar Panel- 5W 5V
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Price: $49.00
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Elecrow Item #: EL-PSG05051E -

This solar panel is made of single-crystal silicon material of A level that performs high solar energy transformation efficiency at 19%\u010f\u017a\u0152and it built-in a diode of preventing the backflow. Of course it’s waterproof, and other advantages like small in size and convenient to carry\u010f\u017a\u0152 using immensity casing to design. This product be designed to let people charge their device that use USB interface. In those bright summer days with clear sky and big sun, a...

Monocrystal Solar Panel- 3W 6V
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Price: $22.87
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Elecrow Item #: EL-PS0306MGE -

Need a clean energy source for your project? Check out this compact, high quality, high output endurable solar panel. This solar panel mates directly with many of our development boards and has a high efficiency. Unit has a clear epoxy coating with hard-board backing, provides an efficient and waterproof surface for the panel application on out-door projects. This solar panel is monocrystal, which has higher efficiency than Polycrystals, suitable for engineering projects such as...

Power Cable - 7A IEC C13
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Price: $2.47
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Sparkfun Item #: TOL-11299 -

"The IEC C13 is a common AC power connection. You’re likely to have one plugged into your computer, your guitar amp or your soldering iron. This power cable has a C13 connector on one side and a standard US 3-prong plug on the other. Rated for 7A at 120V. Note: The connectors are rated at 15A, but the wire itself contains 22 AWG, which is good for 7A at 120VAC. Dimensions: 3ft. long"

Power Wire With DC Jack
Price: $2.80
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Elecrow Item #: EL-PSC55210P -

Power wire with 5.5*2.1 DC jack, compatible with Arduino. You can easily connect any power supply to Arduino with this module.SpecificationDC Jack: 5.5 * 2.1 mm

Powerocks Magicstick 2800mAh - Silver
Retail: $39.93
Price: $10.01
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MK-Misc Item #: PRSilver -

Magicstick 2800mAh - Silver Rechargeable, Portable and Lightweight  This extended battery is small enough to easily fit in a purse, briefcase, backpack...even in the palm of your hand. This lightweight but powerful battery is perfect for work, vacation and everyday on-the-go. It has a modern slim, sleek, and stylish design. Its compact design makes it convenient to carry in your pocket or purse. You could even leave it plugged in to your phone. Micro USB cable and velvet bag are included....

Solar Lamps Power Mosaic LED
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Price: $22.87
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Elecrow Item #: EL-TSL02321S -

USB Wall Charger - 5V, 1A (White)
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Price: $3.12
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Sparkfun Item #: TOL-14042 -

"USB is being implemented as a power connection standard more and more these days. But you don’t always have a computer on hand, so how are you going to power all of your sweet USB devices? How about a high-quality switching “wall wart”? This white AC to DC power supply will do 5V at 1A! These wall chargers work with 100–240VAC inputs. These have a standard USB ‘A’ connector for the output so you can power your Arduino, Raspberry Pi, etc. through a USB...

Wireless Charger& Receiver
Price: $18.43
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Elecrow Item #: EL-PCW2138WC -

The Wireless Charger& Receiver adopts two copper wire coil superposition to active the wireless charging, it can be used in electronic equipments in common use for close wireless charging or power supply. This product consisted of a transmitter and receiver, could serve as a replacement for the Wireless Power Supply with stable 5V output voltage and maximum 600mA output current. Its small size and insulation coil is more suitable for using in wireless project. SpecificationInput Voltage:...