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Showing 21-38 of 38 products · 22 unavailable products hidden
Lithium Ion Polymer Battery - 3.7v 600mAh
A compact 3.7 V 600 mAh lithium-ion polymer (LiPo) battery with a genuine 2-pin JST-PH connector. The battery includes built-in protection circuitry against overcharge, over-discharge (cuts off at 3.0 V), and short circuits. The genuine JST connector clicks smoothly in and out of matching jacks w...
CR123A Li-ion Battery Holder for micro: Maqueen
This compact rechargeable power module is designed for micro:bit-based Maqueen educational robots. It holds a single CR123A 3.6V lithium rechargeable battery and provides a tidy power solution for classroom robotics, STEM workshops and small mobile robot projects.A built-in lithium battery chargi...
18650 Battery Protection Module (12V 10A)
A 3S (3-series) battery protection module designed for connecting three 18650 or polymer lithium-ion cells in series to create a 12 V rechargeable battery pack. The board provides overcharge, over-discharge, overcurrent, and short-circuit protection to safeguard your battery pack during charging ...
Lithium Ion Battery - 3.7v 2000mAh
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Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 2000mAh. If you need a larger (or smaller!) battery, we have a full range of LiPoly batteriesThe batteries ...
UPS HAT for Raspberry Pi Zero
DFRobot UPS HAT is an uninterruptable power supply shield designed for the Raspberry Pi Zero series, and also compatible with Pi 2/3/A+. The UPS HAT can continue to provide power to the Raspberry Pi for a certain period of time when the system is powered off, by which to avoid system damage and a...
Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh
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Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 400mAh for a total of about 1.9 Wh. If you need a larger (or smaller!) battery, we have a full range of LiP...
LG290P Quadband GNSS RTK Breakout (Qwiic)
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Built around the Quectel LG290P, this compact RTK GNSS breakout is designed for high-precision positioning projects that need quad-band, multi-constellation reception. It follows the same board dimensions, pin layout and connectors as SparkFun’s GPS-RTK-SMA Breakout - ZED-F9P (Qwiic), making it a...
Lithium Ion Polymer Battery - 3.7v 350mAh
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Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 350mAh for a total of about 1.3 Wh. If you need a larger (or smaller!) battery, we have a full range of LiP...
Lithium Battery Charger
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The Lithium Battery Charger can charge 3.7V LiPo battery at a rate of 500mA per hour. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will wo...
5V 1A (1000mA) USB port power supply - UL Listed
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This 5V 1A USB power supply provides clean, regulated power for microcontrollers, development boards, and USB-charged devices. It accepts 110–240V AC input and outputs via a USB Type-A port, so you simply plug in whatever USB cable your project needs. The supply is intentionally designed to outp...
8G Mini USB Voice Recorder
This compact USB voice recorder doubles as an 8 GB flash drive. One-touch recording captures audio in WAV format with no flashing indicator lights, and files are accessible by plugging directly into any USB 2.0 port — no drivers required. The built-in 120 mAh lithium battery provides 7–8 hours o...
Coin Cell Battery Holder - 20mm (SMD)
Now for all of your coin cell battery surface mount needs, the 20mm SMD Coin Cell Holder. This holder fits our 20mm Lithium Ion coin cell battery and holds the battery in place with friction. The metal housing connects to the positive (+) side of the battery and the PCB pad underneath is connecte...
Single Li-Ion and LiPoly Battery Power Meter
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This small, palm-sized battery power meter has a small display that shows off how much juice is left in your single Lithium Ion/Polymer rechargeable battery. The color display has four levels of power indication once battery capacity becomes 100%, 75%, 50%, and 25%. When power is below 25%, only ...
9V battery clip with 5.5mm/2.1mm plug
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A high-quality 9V battery clip with a pre-assembled 5.5mm/2.1mm centre-positive barrel connector. The moulded plastic clip covers the battery terminals to prevent short circuits, and the barrel plug connects directly to Arduino boards and other devices with a standard DC barrel jack. Key Feature...
14500 Rechargeable Li-Ion Battery 800mAh 3.7V Nipple
A 14500-size rechargeable lithium-ion battery with 800mAh capacity and 3.7V nominal voltage. The 14500 form factor is the same size as a standard AA battery, making it a common choice for LED torches and other compact devices that accept this cell type. This cell has a nipple (button-top) positiv...
Lipo Battery Safe Bag
Protect your valuables with our Lipo Battery Safe Bag! Made from high-quality, fire-retardant fiberglass nylon, this bag offers sturdy, durable protection against potential heat damage. While it’s not indestructible, it’s built to resist heat up to 550 ℃ (1000 ℉), making it a reliable choice for ...
Battery Holder - 1x18650 (wire leads)
A single-cell 18650 battery holder with wire leads for easy integration into projects. Drop in an 18650 lithium-ion cell and connect the bare wire leads to your circuit — no soldering to the battery required. Two 6" (150 mm) cables exit from opposite ends of the holder, terminated with bare wire...
Electronics Components Basic Starter Kit
Packing list: 10 × White LEDs10 × Yellow LEDs10 × Blue LEDs10 × Green LEDs10 × Red LEDs1 × RGB LED2 × Photoresistors (LDR)1 × Thermistor5 × Rectifier Diodes (1N4007)5 × NPN Transistors (PN2222)1 × Optocoupler IC (4N35)1 × Shift Register IC (74HC595)10 × Tactile Push Buttons (small)1 × Active...