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Showing 1-20 of 41 products · 20 unavailable products hidden
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...
Battery Holder - 18650 (PTH)
This is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units, you’ll need two for each battery. These work great for larger, high capacity applications where a drop-in rechargable cell is needed. These little guys are low cost and easy to use! No...
SparkFun Adjustable LiPo Charger
The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge most of our single-cell batteries with ease. With its onboard charge rate selector, you will be able to set the ma...
SparkFun Sunny Buddy - MPPT Solar Charger
This is the Sunny Buddy, a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT solar charger provide you with the ability to get the most possible power out of your solar panel or other photovoltaic device and into a rechargable LiPo battery. Set-up is easy...
E-Textiles Student Kit
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This kit is designed for use with the electronic textiles unit in the Exploring Computer Science (ECS, exploringcs.org) introductory computing curriculum for secondary students. It contains most of the materials needed for four e-textiles projects: paper circuit, wristband, mural, and hum...
Lithium Ion Battery - 110mAh
This is a very small, extremely light weight battery based on Lithium Ion chemistry. This is the highest energy density currently in production. Each cells outputs a nominal 3.7V at 110mAh! Comes terminated with a standard 2-pin JST-PH connector - 2mm spacing between pins. These batteries require...
LiPo Fuel Gauge - MAX17043
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Keep an eye on your single-cell LiPo battery before your project suddenly runs out of power. This compact fuel gauge board sits in circuit with your battery and reports the relative state of charge using the MAX17043 fuel gauge IC.It combines a charge-estimation algorithm with direct A/D measurem...
USB Battery Pack for Raspberry Pi - 10000mAh - 2 x 5V outputs
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A large-sized rechargeable battery pack for your Raspberry Pi (or Arduino, or Propeller, or anything else that uses 5V!). This pack is intended for providing a lot of power to an GPS, cell phone, tablet, etc but we found it does a really good job of powering other miniature computers and mi...
MyoWare 2.0 Power Shield
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The MyoWare® 2.0 Power Shield is designed to easily power the MyoWare 2.0 Muscle Sensor for remote applications. The MyoWare Power Shield is equipped with snap connectors on the board so you can easily stack it to the top side of the MyoWare Muscle Sensor. Flip the switch to the ON position to gi...
MyoWare 2.0 Wireless Shield
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The MyoWare® 2.0 Wireless Shield is designed to take in readings from the MyoWare 2.0 Muscle Sensor and wirelessly transmit sensor data with the ESP32-WROOM! This shield also includes a built-in LiPo battery to remotely power the muscle sensor and the ESP32 module. The Wireless Shield is equipped...
Lithium Ion Polymer Battery - 3.7v 100mAh
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A compact 3.7 V lithium-ion polymer (LiPo) battery with approximately 100 mAh capacity (0.4 Wh). Thin, lightweight, and powerful, this cell is suited for small wearable projects, IoT devices, and compact electronics where space is limited. The battery comes pre-wired with a genuine 2-pin JST-PH ...
Lithium Ion Battery Pack - 3.7V 4400mAh
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Need a big battery for your project? This lithium ion pack is made of 2 balanced 2200mAh cells for a total of 4400mA capacity! The cells are connected in parallel and spot-welded to a protection circuit that provides over-voltage, under-voltage and over-current protection. Each cell can provid...
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...
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...
Adafruit MAX17048 LiPoly / LiIon Fuel Gauge and Battery Monitor
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The Adafruit MAX17048 LiPoly/LiIon Fuel Gauge and Battery Monitor gives you accurate battery voltage and charge percentage readings for your 1S 3.7–4.2V lithium polymer or lithium ion battery. Instead of guessing remaining capacity from a non-linear voltage curve, this smart sensor does the maths...
Solar Lipo Charger (3.7V)
This Solar lipo charger is designed for single Lithium battery (3.7V) for intelligent charging, with input reverse polarity protection. The maximum charging current is 500 milliamperes and the connection is simple and convenient. Used with the solar battery and lithium battery, you can qu...
USB Li-Ion Power Bank with 2 x 5V Outputs @ 2.1A - 5000mAh
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Here's a hand-held-size rechargeable battery pack for your Raspberry Pi (or Metro, or anything else that uses 5V!). This pack is intended for providing a lot of power to a smartphone, tablet, etc, but we found it does a really good job of powering other miniature computers and micro-controller...
Lithium Ion Polymer Battery - 3.7v 1200mAh
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 1200mAh for a total of about 4.5 Wh.The batteries come pre-attached with a genuine 2-pin JST-PH connector a...
Lithium Ion Cylindrical Battery - 3.7v 2200mAh
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A 3.7V 2,200 mAh lithium-ion cylindrical battery with built-in protection circuitry for over-voltage, under-voltage, and over-current protection. Slim enough to fit into many project enclosures and includes a JST 2-pin cable with a genuine JST connector for smooth, snag-free connections. The bat...
Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh
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A 3.7 V lithium-ion polymer (LiPo) battery with 420 mAh capacity (approximately 1.55 Wh). It features a short cable with a genuine 2-pin JST-PH connector that clicks smoothly into matching JST jacks without snagging. The battery includes built-in protection circuitry that guards against overchar...
