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18650 Battery charger with 2 x 3.7V Batteries
A dual-slot 18650 battery charger bundled with two 3.7 V 2000 mAh lithium-ion rechargeable batteries. The charger features overcharge protection circuitry to safely charge standard 18650 cells, making it a convenient all-in-one kit for powering portable electronics projects. Key Features Dual-...
Lithium Ion Battery Pack - 3.7V 6600mAh
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A high-capacity 3.7 V lithium-ion battery pack built from three 2200 mAh 18650 cells connected in parallel, providing 6600 mAh of total capacity. The cells are spot-welded to a built-in protection circuit that guards against overcharging, over-discharging, and overcurrent. The pack includes a JS...
Adafruit LC709203F LiPoly / LiIon Fuel Gauge and Battery Monitor - STEMMA JST PH QT / Qwiic
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The Adafruit LC709203F Fuel Gauge monitors your single-cell LiPo or Li-Ion battery and reports both voltage and state of charge as a percentage over I2C. It handles the non-linear voltage-to-percentage conversion for you, so your project always knows exactly how much battery is left — just like t...
Solar Power Manager, Embedded 10000mAh Li-Po Battery, Supports 6V~24V Solar Panels
SOLAR POWER MANAGER Compatible with 6V~24V solar panels, embedded 10000mAh Li-po battery Recharged From Solar Panel, Or TYPE-C Power Adapter5V/3A Regulated Output Product Features The Solar Power Manager (B) is compatible with general 6V~24V solar panels. It can recharge the 3.7V re...
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...
PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA+
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PowerBoost 500C is the perfect power supply for your portable project! With a built-in battery charger circuit, you'll be able to keep your project running even while recharging the battery! This little DC/DC boost converter module can be powered by any 3.7V LiIon/LiPoly battery, and convert t...
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...
SparkFun LiPo Charger Basic - Micro-USB
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA. It is designed to charge single-cell Li-Ion or Li-Polymer ba...
MP2636 Power Booster Charger Module
In many applications, we will use lithium batteries as our power solutions. In this kind of application, the most two important things are the power boost and battery charger. These two points are a prerequisite for the system. The traditional power boost and battery charge circuit are usually d...
Lithium Ion Battery - 18650 Cell (2600mAh, Solder Tab)
A standard 18650 lithium-ion rechargeable cell with pre-attached solder tabs for easy integration into custom battery packs and projects. With 2,600mAh capacity at 3.7V, it provides reliable power for a wide range of applications. The solder tabs make it simple to connect cells in series or para...
Lithium Ion Battery - 18650 Cell (2500mAh)
No, these aren’t some sort of weird, AA battery, this is actually a 18650 Lithium Ion Cell. These round high capacity cells have been mainly used in flashlight type applications but with its capability to be used as a drop-in rechargable cell at 3.7V with a capacity of 2500mAh. This is a great ba...
DFRobot Solar Power Manager Kit with 9V Panel
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Build a compact off-grid power supply for embedded electronics, IoT nodes and low-power projects with this solar power management kit from DFRobot. It combines a Solar Power Manager board for 9V/12V/18V panels with a compact 9V 220mA solar panel.The controller integrates constant-voltage MPPT sol...
EagLED - Sewable Electronics Kit E-Textile Snippable Board with Buzzer
The EagLED is Little Bird Electronics' own Arduino-compatible wearable development kit, designed from the ground up for e-textile projects. It packs a microcontroller, LEDs, light sensor, push button, and buzzer onto a snippable board — with snap-off satellite boards for eyes, stars, and hearts t...
Adafruit HalloWing M0 Express
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The Adafruit HalloWing M0 Express is a skull-shaped development board built around the ATSAMD21G18 processor. Featuring a 1.44" full-colour TFT display, a 3-axis accelerometer, a light sensor, a speaker driver, and Feather-compatible headers, it's designed for wearables, badges, cosplay props, an...
Adafruit HalloWing M4 Express
The Adafruit HalloWing M4 Express is a skull-shaped development board powered by the ATSAMD51G18 — a 120 MHz Cortex M4 processor with 512 KB Flash and 192 KB RAM. Featuring a 1.54" IPS TFT display (240×240 pixels), a 3-axis accelerometer, a light sensor, a speaker driver, four NeoPixel LEDs, and ...
LilyPad MP3
The LilyPad MP3 Player is an all-in-one audio board combining an Arduino-compatible microcontroller, MP3 decoder, microSD card socket, and stereo amplifier. Part of the LilyPad e-textiles line, it's designed to add music and sound effects to fabric creations, wearables, and interactive projects. ...
LiPower Shield
You may need this item if you want to power your Arduino with a 3.7V LiPo battery to make it become a portable device. It made up of a “power cell” and “fuel gauge”, it allows you to connect a 3.7V single cell Lithium polymer battery which it will boost up to 5V and connect to the Arduino board’s...
SparkFun MOSFET Power Controller
MOSFETs are awesome. They’re like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy to switch a battery supply on and off using your favorite microcontroller. The board also has sewable pads so you can use it in e-textile projects that need more juice. Th...
Bare Conductive Touch Board
The Touch Board from Bare Conductive is an easy-to-use Arduino@Heart board that gives you the ability to turn almost any material or surface into a sensor. Each Touch Board offers 12 electrodes for your a conductive ink or other type of connector that can be drawn or attached to create light s...
E-Textiles LilyPad Compatible USB - ATmega32U4 Board
A LilyPad-compatible microcontroller board based on the ATmega32U4, designed for e-textile and wearable electronics projects. The built-in USB communication allows the board to appear as a mouse, keyboard, or virtual serial port when connected to a computer — no separate USB-to-serial adapter nee...
