Batteries/Chargers/Holders

 

9v 800 mAh lithium USB Rechargeable Battery

Shaped like a normal 9v battery this unit provides approximately 8.2v at full charge and operates like any normal 9v battery cell. The only exception is that this unit is rechargeable! Plug in a micro USB port in the back to charge with your computer, the side indicator will show you the current charge of the unit. Please do take precaution and prevention from wire shortage and paying attention to polarity. Lithium batteries can explode from pressure, heat or voltage short.

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IMAX B6 LiPro Balance Charger + AC-DC Adapter

It is a very advanced smart charger for your LiPo/LiFe, NiCd and NiMH Batteries, capable of  managing 6S Li-ion/LiPo/LiFe and 15S NiCd/NiMH. The Display and straightforward controls make charging high volatile batteries safe and easy. Simply plug in a 12v DC power source up to a maximum of 5A on the right side and connect your battery with the balance cells (if needed) on the left side.

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US$29.95
Features: Charges all cylindrical 3.6/3.7V Li-Ion Batteries. Innovative Tachometer Display. Displays actual charging Current. Displays each individual battery Voltage. Displays each individual battery charged Capacity in mAH. Charge anywhere with 5 Volt USB power including PC USB, wall adapters, cell phone chargers, solar panels, power banks, etc. 0V activation function can rescue your over-discharged batteries. Bad batteries detected in 10 minutes by “null” display. Screen flashes 3 times every 10 seconds when your batteries are fully charged.
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US$3.00
Looking to supply your Lilypad project with coin cell batteries? Want the ability to it turn off and on as well? This board may be the answer you’re looking for. It shares a similar PCB design to the version with no switch, which comes with the usual 4 sewing connection points (2x positive and 2x negative) and a 20mm Coin cell battery holder (CR2032). This time however thanks to a sturdy Lilypad slide switch (not easily turned off and on), you can enjoy the benefits of being able to save battery life for your application.
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US$13.60
3.7V 800mAh Rechargeable Lithium-ion 14500 battery. This package contains two (2) batteries. The EBL battery packs come with rounded tip instead of flat top for ease of use.
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US$2.71
This is a unique two-cell AA battery holder built specifically for the BBC micro:bit. The 6" (~150mm) cable has been terminated with a JST-PH connector. The connector mates the JST socket on the micro:bit perfectly, allowing you to easily make your project battery powered.
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US$2.09
This economical set of four AAA batteries provide the hobbyist and student with a practical source of portable power for electronics projects.
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US$1.25
This 9 volt battery holder box socket with mounting holes and wire leads provides an easy to install permanent mount for any electronic or robotics project that uses a 9 volt battery. The 9 volt battery just snaps into the contacts on the holder and is securely held in place by a clip.
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US$1.77
This is a simple PANEL MOUNT battery holder designed for two AAA batteries. What set this apart from the other holders is the included ON-OFF switch to converse battery lifespan. Connections by solder tabs.
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US$1.81
This simple cable allows users to connect 9v batteries to any 2.1mm DC barrel jacks. Great for powering Arduino Microcontroller with a 9v Battery. The T-Shaped connector for the 9V battery means less stress when you want to disconnect the adapter from the battery.
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US$2.79
This simple holder allows users to connect 9v batteries to any 2.1mm DC barrel jacks. Great for powering Arduino Microcontroller with a 9v Battery. The plastic holder also has three holes for inserting M3 screws or M2.5 screws to mount onto any surface!
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US$21.15
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850mAh! Comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins. These batteries require special charging. Do not attempt to charge these with anything but a specialized LiPo charger. Battery includes built-in protection against over voltage, over current, and minimum voltage.
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US$2.59
12V Remote Alkaline Battery. Manufacturer part numbers: 27A, CA22, GP27A, MN27, G27A, A27, 12V Battery. Large capacity, balanced discharge, long service life, easy installation. Applications: Keyless car remote, doorbell, laser pens, etc. Shelf life: 2 years (not printed on battery). This is the 12V replacement battery for the 433MHz Remote Control WIFI-SONOFF- R. The WIFI-SONOFF- R is used with the WIFI-SONOFF Relay.
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US$4.89
This unique product is based on a regular 18650 battery holder that can house up to four batteries. The leads are soldered at the ends allowing users to short the cable to create parallel 18650 battery banks or can be easily de-soldered and changed to create a series power bank. Please make sure to not accidently short the batteries as they are lithium based and can exploded when not connected correctly or improperly handled.
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US$54.55
This rechargeable battery bank provides 10.8-12vdc output and has a capacity of 8000mAh. The output voltage is not stable, however using a voltage regulator you can get a solid 12vdc output. The battery is heavy and acts like a power bank. Two leads act as charge and discharge, use either leads for one function only at a time. The leads on the battery bank are 2.1mm dc barrel connectors female and male. The battery bank also has a switch to limit the battery usage when storing. The battery takes approximately 8 hours to charge fully. This unit comes with the charger!
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US$19.95
This compact device is a balance charger that can safely charge any 7.4v or 11.1v LiPo batteries. The system will shine a green light to indicate fully charged or a red light to indicate charging in process. There are two ports allowing users to connect either a 2 cell or 3 cell balance charger connector. The device can charge each cell at a rate of 800mA and operates from 110-240VAC.
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US$11.13
This device allows users to insert 4x AA batteries by opening the hinge cover and use the USB port to charge their smartphones. It also comes with a switch to set in neutral and to turn on or off the LED. Replace the batteries and charge them externally when needed. It makes for a universal and easy to carry emergency charger.
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