Lithium Ion Battery 7.4v 2200mAh (2S2P) with PCM Lithium, Ion, li-ion, lion, Battery, 7.4V, 2200mAh, 2S2P, PCM, Charger, Samsung, cells
Price: $19.95

    Power up your rover, or take your robot arm off the grid with the 7.4V 2200mAh Lithium Ion Battery! This battery has excellent capacity for robotics projects utilizing several RobotGeek Servos. To make it easy to connect/disconnect the battery from your project, each of these batteries has a Female T-Connector (Deans Ultra Plug compatble), and for easy charging, a barrel Jack for use with the Charger with over-voltage protection (included). If discharged too low, Lithium Ion batteries can...

    Lithium Ion Battery 7.4V 4400mAh (2S2P) with PCM and Charger Lithium, Ion, li-ion, lion, Battery, 7.4V, 4400mAh, 2S2P, PCM, Charger, Samsung, cells
    Price: $39.95

      Power up your rover, or take your robot arm off the grid with the 7.4V 4400mAh Lithium Ion Battery! This battery has excellent capacity for robotics projects utilizing several RobotGeek Servos. To make it easy to connect/disconnect the battery from your project, each of these batteries has a Female T-Connector (Deans Ultra Plug compatble), and for easy charging, a barrel Jack for use with the Charger with over-voltage protection (included). If discharged too low, Lithium Ion batteries can...

      Lithium-ion Battery Charger Lithium-ion Battery Charger
      Price: $12.95

        Standard Lithium-Ion Battery Charger intended for use with the Lithium Ion Battery 7.4v 2200mAh (2S2P) with PCM.

        LiPo/Li-ion Battery Wiring Harness battery, wiring, harness, power, dean plug, barrel plug, battery link, lipo battery harness, lipo harness
        Price: $8.95

          Easily link your project to a LiPo/Li-ion battery with the Battery Wiring Harness! This harness is the same one we use in our Hexapod and Quadruped kits. Just attach the male Dean connector to any of our LiPo/Li-ion Batteries and the barrel jack plug into your project, and you're ready to go! The harness even has a built in switch to quickly shut down power to your project. The switch is easily mountable - just cut a 6mm hole into your project and use the included nut and washer to securley...

          Power Supply 6VDC 2.0A - US Power Supply 6VDC 2.0A, Power Supply, 6VDC, 2 amp
          Price: $9.95

            Power Supply for general project use.North American Style Plug6VDC, 2 Amp, Center Positive Polarity, 5.5x2.1MM

            7v5A Power Supply
            Price: $11.95

              7VDC, 5 Amp Power Supply for general project use. Center Positive Polarity, 5.5x2.1MM barrel jack.

              12V 2A DC Power Supply
              Price: $10.95

                Power Supply for general project use. North American Style Plug 12VDC, 2 Amp, Center Positive Polarity, 5.5x2.1MM PS - You might want one of these too.

                Power Supply 12V - 5A (2.1mm Jack) Power Supply 12VDC 5.0A - US
                Price: $19.95

                  Power Supply for general project use. North American Style Plug 12VDC, 5 Amp, Center Positive Polarity, 5.5x2.1MM PS - You might want one of these too.

                  Variable Power Supply 15-24V 4.5A (2.1mm Jack) Variable Power Supply 15-24VDC 4.5A - US
                  Price: $24.95

                    Variable Power Supply for general project use. North American Style Plug 15-24VDC 4.5A - US Center Positive Polarity, 5.5x2.1MM PS - You might want one of these too.

                    4x AA Battery to 2.1/5.5mm DC Barrel Jack AA, Battery, 2.1, 5.5, DC, Barrel, Jack, pack, holder, 4x
                    Price: $2.95

                      This 4x AA Battery to 2.1/5.5mm DC Barrel Jack is perfect for small mobile Arduino Projects. Just add 4 AA batteries and plug the barrel jack into your Arduino Board, and you're ready to rock! Supplies just over 6 volts of power with a fresh set of batteries, which works well with a wide variety of projects. Great for infrared, LED, or any small Arduino project you'd like to take on the go!

                      9v Battery Snap Connect 9v, Battery, Snap, Connect, barrel, jack, cable, plug
                      Price: $2.95

                        The 9v Battery Snap Connect is the perfect companion to any 2.1*5.5mm female power jack. Whether you need to hook up to an Arduino/Geekduino Board, a Female Pigtail Lead or the AX/MX Power Hub, this cable has you covered. The tail is 10" long. Powering your project with a 9 volt battery has never been this easy. The 90 degree angle plug lets you hook up, even in tight spaces! ...

                        Robot Geek 4C battery pack Robot Geek 4C battery pack
                        Price: $7.95

                          The Robot Geek 4C Battery Holder comes with a mounting plate and convenient 90 degree barrel plug to save space. The mounting bracket conforms to the Robot Geek 1 X 1 CM grid allowing you to mount your battery pack anywhere you like on your projects!

                          DC Straight to 90 Cable DC Straight to 90 Cable, dc power cable, 90 degree power cable, straight to 90 degree power cable, dc 90 degree power cable
                          Price: $3.95

                            Sometimes the size difference between a straight barrel plug and a 90° barrel plug determines whether or not a project will fit in an enclosure. Now with the DC Straight to 90 Cable you can easily convert straight barrel jacks to 90° jacks! Each cable is 20cm long and has a 2.1*5.5mm barrel jack, making it compatible with many of our power supplies and wiring harnesses.

                            90 Degree DC to Pigtail Cable 90, Degree, DC, Pigtail, Cable, barrel, jack
                            Price: $3.95

                              The 90 Degree DC to Pigtail Cable is the perfect companion to any 2.1*5.5mm female power jack. Whether you need to hook up to an Arduino/Geekduino Board, a Female Pigtail Lead or the AX/MX Power Hub, this cable has you covered. The tail is 10" long and splits easily. Marked side negative, unmarked positive. The 90 degree angle plug lets you hook up, even in tight spaces! ...

                              Barrel Jack Male Pigtail Lead 2.1*5.5*12mm barrel jack male, pigtail lead, power cable, cable, pigtail power,
                              Price: $2.95

                                The Barrel Jack Male Pigtail Lead 2.1*5.5*12mm is the perfect companion to any 2.1*5.5mm female power jack. Whether you need to hook up to an Arduino/Geekduino Board, a Female Pigtail Lead or the AX/MX Power Hub, this cable has you covered. The tail is 10" long and splits easily.

                                Barrel Jack Female Pigtail Lead 2.1 - 5.5mm Barrel Jack Female Pigtail Lead 2.1 - 5.5mm
                                Price: $2.95

                                  Are you tired of cutting the ends off your AC to DC power supplies? Yeah, so were we. So we sourced these awesome barrel jack pigtails. Now you can quickly power up to terminal blocks or solder these to your homemade switch harnesses and not molest your power supplies. The tail is 10" long and splits easily. Yes, you are welcome.

                                  Female Dean to Female Barrel Plug Cable female dean, female barrel plug, power cable, cable
                                  Price: $3.95

                                    LiPo batteries are great for building robots, but using them to power your cralwer during development can be problamatic. Instread, use the Female Dean to Female Barrel Plug Cable to connect your robot to a DC power supply. Just plug the 2.1*5.5 female barrel jack into any of our SMPS Power supplies and the female dean connector into yor project and you'll be able to test for long streches without having to recharge your battery. Keep in mind that LiPo batteries can source alot of current, so...

                                    T Connector Male-Female Pair Deans, Ultra, Plug, Battery, Connector, T, Male, Female
                                    Price: $2.99

                                      These are generic connectors similar to the popular Deans Ultra Plug connectors. They are sold as matching male-female pairs and have a current rating of 50 A. Perfect for use in high current draw applications and one of the most widely used connector types for Lithium Polymer (LiPo) Battery Packs.

                                      Panel Mount Dual Power Cable arduino panel mount jack, panel mount power cable
                                      Price: $6.95

                                        This Panel Mount Dual Power Cable is great for adding a external jack to any Arduino enclosure like the Project Box For Arduino. This cable splits from the single female DC jack (2.1*5.5mm) into a male DC jack (also 2.1*5.5) as well as two .1"/2.54mm pitch female jumper cables. The male DC jack will plug into most Arduino boards, leaving the extra power cables available for motors, relays, and more!

                                        4X DC-DC Converter - 3A 5V Mini BEC ( UBEC ) 4X, DC, Converter, 3A, 5V, Mini, BEC, UBEC, voltage, regulator
                                        Price: $4.95

                                          A BEC (battery elimination circuit) is a great tool for getting a lower voltage from a higher voltage system. For example, say you needed 5v to drive a Mini Turbo Fan on your 7.4v Hovercraft, but you didn't want to add a secondary battery just for the 5v fan. Simply plug this BEC into your Hovercraft's battery and you'll get a stable 5v 3A power supply. The 4X DC-DC Converter - 3A 5V Mini BEC is a small and lightweight UBEC, featuring a High efficiency switch mode design that provides better...

                                          2.1/5.5mm Jack to 2.5/5.5mm Plug Adapter 2.1/5.5mm Jack to 2.5/5.5mm Plug Adapter
                                          Price: $3.95

                                            This is an adapter that converts a 2.1/5.5mm Jack into a 2.5/5.5mm Plug. This will adapt our 2.1/5.5mm plug power supplies into a 2.5/5.5mm plug.